# EDGAR Filing Document

**Accession Number:** 0001748824
**File Stem:** 0001628280-26-005619
**Filing Date:** 2026-2
**Character Count:** 60360
**Document Hash:** 0748079fb7259a27e29d22a2009e40ef
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001628280-26-005619.hdr.sgml**: 20260205

**ACCESSION NUMBER**: 0001628280-26-005619

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 44

**CONFORMED PERIOD OF REPORT**: 20260205

**ITEM INFORMATION**: Results of Operations and Financial Condition

**ITEM INFORMATION**: Financial Statements and Exhibits

**FILED AS OF DATE**: 20260205

**DATE AS OF CHANGE**: 20260205

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Acadian Asset Management Inc.
- **CENTRAL INDEX KEY:** 0001748824
- **STANDARD INDUSTRIAL CLASSIFICATION:** INVESTMENT ADVICE [6282]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 471121020
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38979
- **FILM NUMBER:** 26600681

**BUSINESS ADDRESS:**
- **STREET 1:** 200 STATE STREET
- **STREET 2:** SUITE 601A
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109
- **BUSINESS PHONE:** 6173697300

**MAIL ADDRESS:**
- **STREET 1:** 200 STATE STREET
- **STREET 2:** SUITE 601A
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BrightSphere Investment Group Inc.
- **DATE OF NAME CHANGE:** 20190227

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BrightSphere US Inc.
- **DATE OF NAME CHANGE:** 20180801

?xml version='1.0' encoding='ASCII'? aami-20260205

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

 

**FORM 8-K** 

 

**CURRENT REPORT**

**Pursuant to Section 13 or 15(d)**

**of the Securities Exchange Act of 1934**

Date of Report (Date of earliest event reported): February 5, 2026

 

**Acadian Asset Management Inc.** 

(Exact name of registrant as specified in its charter)

 

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| | | |
|:---|:---|:---|
| **Delaware** | **001-38979** | **47-1121020** |
| (State or other jurisdiction<br>of incorporation) | (Commission File Number) | (IRS Employer<br>Identification Number) |

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**200 State Street, Suite 601A** 

**Boston, Massachusetts 02109** 

**(617) 369-7300** 

(Address, including zip code, and telephone number, including area code, of registrant's principal executive offices)

 

Securities registered or to be registered pursuant to Section 12(b) of the Act.

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| | | |
|:---|:---|:---|
| Title of each class | Trading Symbol(s) | Name of each exchange on which registered |
| Common stock, par value $0.001 per share | AAMI | New York Stock Exchange |

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Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2).

Emerging Growth Company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

    

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**ITEM 2.02&nbsp;&nbsp;&nbsp;&nbsp;Results of Operations and Financial Condition**

On February 5, 2026, the Company issued presentation materials setting forth its financial and operating results for the quarter ended December 31, 2025. Copies of the presentation materials are furnished as Exhibit 99.1 hereto.

**ITEM 9.01&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Financial Statements and Exhibits.**

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;&nbsp;&nbsp;&nbsp;Exhibits

The information in Item 2.02 and the information filed as Exhibit 99.1 to this Form 8-K is being furnished in accordance with Item 2.02 and shall not be deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended. Such information shall not be incorporated by reference into any filing under the Securities Act of 1933, as amended, except as may be expressly set forth in a specific filing.

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| | |
|:---|:---|
| Exhibit No. | Description |
| 99.1 | Fourth quarter 2025 earnings presentation of Acadian Asset Management Inc. |
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document) |

---

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**SIGNATURE**

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this form to be signed on its behalf by the undersigned, thereto duly authorized.

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| | | | |
|:---|:---|:---|:---|
| Date: | February 5, 2026 | ACADIAN ASSET MANAGEMENT INC. | ACADIAN ASSET MANAGEMENT INC. |
|  |  | By: | /s/ Scott Hynes |
|  |  | Name: | Scott Hynes |
|  |  | Title: | Chief Financial Officer |

---

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**EXHIBIT INDEX**

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| | |
|:---|:---|
| **Exhibit No.** | **Description** |
| 99.1 | <u>[Fourth quarter 2025 earnings presentation of Acadian Asset Management Inc.](aamiearningspresentation.htm)</u> |
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document) |

---

## Exhibit 99.1

![](aamiearningspresentation001.jpg)

Acadian Asset Management Inc. Reports Financial and Operating Results for the Fourth Quarter Ended December 31, 2025 • Net inflows of $5.4 billion for Q4'25, (3% of BoP AUM), driven by Enhanced, Extension, and Emerging Markets equity strategies • AUM of $177.5 billion at December 31, 2025, highest in the firm's history • Record quarterly management fees of $146.4 million, up 32% from $111.3 million in Q4'24 • U.S. GAAP net income attributable to controlling interests of $34.7 million, 18% lower compared to $42.5 million in Q4'24 • U.S. GAAP earnings per share of $0.97, 14% lower compared to $1.13 for Q4'24 • ENI of $47.2 million, 4% decrease compared to $49.0 million in Q4'24 • ENI earnings per share of $1.32, 2% increase compared to $1.30 for Q4'24 • ENI Operating Margin expanded 338 bps to 45.7% for the quarter, up from 42.3% in Q4'24 • Board approved increase in quarterly dividend to $0.10 per share, from $0.01 per share • Completed redemption of $275 million Senior Notes, funded with new $200 million Term Loan facility and cash on hand BOSTON - February 5, 2026 - Acadian Asset Management Inc. (NYSE: AAMI) reports its results for the fourth quarter ended December 31, 2025. Kelly Young, Acadian Asset Management Inc.'s President and Chief Executive Officer, said, "Acadian achieved its eighth consecutive quarter of positive net client cash flows in the fourth quarter of 2025, with $5.4 billion, ending the year with a record-high $177.5 billion of AUM as of December 31, 2025. Alongside these flows, we realized another record amount of quarterly recurring management fees with $146.4 million. As we enter our 40th year, we continue to see organic growth, reflecting strength and momentum in the business driven by long-term outperformance, as well as product and distribution initiatives. Acadian has been a leading systematic manager since the 1980s, providing our clients with sustained outperformance through various and complex market cycles. Going forward, Acadian will remain focused on our time-tested investment process and the execution of our growth strategy, including ongoing expense discipline. ENI for the fourth quarter of 2025 was $47.2 million, compared to $49.0 million in the fourth quarter of 2024, while ENI earnings per share were $1.32 compared to $1.30 in the fourth quarter of last year. The year-over-year decline in ENI was primarily driven by lower performance fees and higher key employee distributions, partially offset by strong management fee growth and lower variable compensation. The increase in ENI EPS was driven by share repurchases. Acadian's long-term investment performance remained strong. As of December 31, 2025, 95%, 95% and 95% of Acadian's strategies by revenue beat their respective benchmarks over the prior 3-, 5-, and 10- year periods, respectively. Turning to capital management, we had a cash balance of approximately $101 million as of December 31, 2025. With our balance sheet strengthened following our previously announced Senior Notes refinancing, the Board approved a quarterly dividend of $0.10 per share. In 2025, we repurchased 1.8 million shares of common stock, a 5% reduction in our total shares outstanding from the end of 2024, for an aggregate total of $48.0 million." Contact: Investor Relations ir@acadian-inc.com (617) 369-7300 Exhibit 99.1

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![](aamiearningspresentation002.jpg)

Dividend Declaration The Company's Board of Directors approved a quarterly interim dividend of $0.10 per share payable on March 27, 2026 to shareholders of record as of the close of business on March 13, 2026. Conference Call Dial-in The Company will hold a conference call and simultaneous webcast to discuss the results at 11:00 a.m. Eastern Time on February 5, 2026. To listen to the call or view the webcast, participants should: Dial-in: Toll Free Dial-in Number: (800) 715-9871 International Dial-in Number: (646) 307-1963 Conference ID: 9046067 Link to Webcast: https://events.q4inc.com/attendee/578985020 Dial-in Replay: A replay of the call will be available beginning approximately one hour after its conclusion either on the Company's website, at ir.acadian-inc.com or at: Toll Free Dial-in Number: (800) 770-2030 International Dial-in Number: (609) 800-9909 Conference ID: 9046067 About Acadian Asset Management Inc. Acadian Asset Management Inc. is the NYSE listed holding company of Acadian Asset Management LLC, with approximately $178 billion of assets under management as of December 31, 2025. Acadian offers institutional investors across the globe access to a wide array of leading quantitative and solutions-based strategies designed to meet a range of risk and return objectives. For more information, please visit our website at www.acadian-inc.com. Information that may be important to investors will be routinely posted on our website.

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![](aamiearningspresentation003.jpg)

Forward-Looking Statements This communication includes forward-looking statements which may include, from time to time, anticipated revenues, margins, operating expense, variable compensation and distribution ratios, cash flows or earnings growth profile, expectations regarding the investment process, anticipated performance and growth of the Company's business going forward, expected distribution and variable compensation ratios, expected sector trends and their potential impact, expected future net cash flows, expected uses of capital, and capital management, including expectations regarding market conditions and returning capital to shareholders. The words or phrases ''will likely result,'' ''are expected to,'' ''will continue,'' ''is anticipated,'' ''can be,'' ''may be,'' ''aim to,'' ''may affect,'' ''may depend,'' ''intends,'' ''expects,'' ''believes,'' ''estimate,'' ''project,'' and other similar expressions are intended to identify such forward-looking statements. Such statements are subject to various known and unknown risks and uncertainties and readers should be cautioned that any forward-looking information provided by or on behalf of the Company is not a guarantee of future performance. Actual results may differ materially from those in forward-looking information as a result of various factors, some of which are beyond the Company's control, including but not limited to those discussed elsewhere in this communication. Additional factors that could cause actual results to differ from the forward-looking statements in this release include: our financial results are dependent on Acadian Asset Management LLC; our reliance on key personnel; our use of a limited number of investment strategies; our ability to attract and retain assets under management; the potential for losses on seed and co-investment capital; foreign currency exchange risk; risks associated with government regulation; and other facts that may be described in the Company's most recent Annual Report on Form 10-K filed with the Securities and Exchange Commission on February 27, 2025. Due to such risks and uncertainties and other factors, the Company cautions each person receiving such forward-looking information not to place undue reliance on such statements. Further, such forward-looking statements speak only as of the date of this communication and the Company undertakes no obligations to update any forward looking statement to reflect events or circumstances after the date of this communication or to reflect the occurrence of unanticipated events. This communication does not constitute an offer for any fund managed by the Company or any subsidiary of the Company. Non-GAAP Financial Measures This communication contains non-GAAP financial measures. Reconciliations of non-GAAP to GAAP financial measures, along with certain segment measures, are included in the Supplemental Information, Reconciliations and Disclosures section of this communication.

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![](aamiearningspresentation004.jpg)

Q4 2025 EARNINGS PRESENTATION February 5, 2026

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![](aamiearningspresentation005.jpg)

2 Key Performance Metrics Q4'24 Q4'25 Increase (Decrease) Net income attributable to controlling interests ($m) $42.5 $34.7 a s e d (18)% U.S. GAAP diluted EPS ($s) $1.13 $0.97 a s e d (14)% Economic net income ($m) $49.0 $47.2 (4)% ENI diluted EPS ($s) $1.30 $1.32 2% Adjusted EBITDA ($m) $72.8 $73.5 1% NCCF ($b) $0.9 $5.4 n/m EOP AUM ($b) $117.3 $177.5 51% Acadian Q4'25: Strong Outperformance Highlights ▪ U.S. GAAP Net Income attributable to controlling interests decreased (18)% and EPS decreased (14)%, driven by increased non-cash expenses representing changes in the value of Acadian LLC equity and profit interests ▪ ENI EPS up 2% to $1.32 per share driven by share repurchases, highest ever ENI EPS ▪ Adjusted EBITDA up 1% ▪ Net flows of $5.4 billion, 3% of BoP Q4 AUM, led by Enhanced, Extension, and Emerging Markets Equity strategies ▪ AUM grew to $177.5 billion, another quarter of record-high assets in Acadian's history ___________________________________________________________ Please see Supplemental Information, Reconciliations and Disclosures Please see Definitions and Additional Notes

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![](aamiearningspresentation006.jpg)

3 Key Performance Metrics FY 2024 FY 2025 Increase (Decrease) Net income attributable to controlling interests ($m) $85.0 $80.0 (6)% U.S. GAAP diluted EPS ($s) $2.22 $2.21 (0.5)% Economic net income ($m) $105.8 $117.6 11% ENI diluted EPS ($s) $2.76 $3.25 18% Adjusted EBITDA ($m) $177.1 $192.9 9% NCCF ($b) $1.8 $29.4 n/m Acadian FY 2025: Strong Outperformance Highlights ___________________________________________________________ Please see Reconciliations and Disclosures Please see Definitions and Additional Notes ▪ U.S. GAAP Net Income attributable to controlling interests decreased (6)% and EPS decreased (0.5)%, driven by increased non-cash expenses representing changes in the value of Acadian LLC equity and profit interests ▪ Record ENI EPS up 18% compared to 2024 due to ENI 11% higher than prior year, driven by share repurchases ▪ Adjusted EBITDA up 9% compared to 2024 driven by significant growth in recurring management fees ▪ $29.4 billion of net flows, highest in the firm's history, driven by success in new Enhanced and Extension products, as well as Emerging Markets and Non-U.S. equity strategies

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![](aamiearningspresentation007.jpg)

4 $1.8 $29.4 2024 2025 Key Financial Results and Drivers in 2025: A Record Year ___________________________________________________________ Data as of December 31, 2025; Please see Supplemental Information, Reconciliations, Disclosures, Definitions and Additional Notes 33.4% 35.5% 2024 2025 1.5x 1.0x 2024 2025 $2.76 $3.25 2024 2025 $117.3 $177.5 2024 2025 $502.5 $549.1 2024 2025 Net Client Cash Flows Record Organic Growth AUM All-Time High ENI Revenue 9% y/y Growth % ENI Operating Margin Expanded Margin 2% pts Gross Leverage Deleveraged Balance Sheet 0.5x ENI EPS 18% y/y Increase, All-Time High

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![](aamiearningspresentation008.jpg)

5 100% 100% 100% 3-Year 5-Year 10-Year 100% 100% 100% 3-Year 5-Year 10-Year 100% 100% 100% 3-Year 5-Year 10-Year 100% 100% 100% 3-Year 5-Year 10-Year 100% 100% 100% 3-Year 5-Year 10-Year Global Equity Investment Performance: Outstanding Strategy Track Records % of Major Strategy Group Assets Outperforming Benchmarks Emerging Markets Equity Non-US Equity Small Cap Equity Enhanced Equity ___________________________________________________________ Data as of December 31, 2025 Figures calculated using gross of fee strategy composite returns. Global, Emerging, and Non-US Equity groupings reflect similar composites focused on common geographies. Enhanced and Small Cap Equity mandates are separately reflected. See Definitions and Additional Notes for additional information on the methodology used to calculate investment performance. Past performance is no guarantee of future results. This is not investment advice and may not be construed as sales or marketing material for any financial product or service sponsored or provided by Acadian.

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![](aamiearningspresentation009.jpg)

6 95% 95% 95% 3-Year 5-Year 10-Year 92% 93% 91% 3-Year 5-Year 10-Year +4.7% 5-year annualized return in excess of benchmark +3.8% 5-year annualized return in excess of benchmark Revenue Weighted Asset Weighted Consolidated Firmwide Investment Performance Investment Performance: Firmwide Long-Term Alpha Generation ___________________________________________________________ Data as of December 31, 2025 Note: As of December 31, 2025, Acadian's assets representing 57% of revenue were outperforming benchmarks on a 1-year basis, compared to 91% as of December 31, 2024 and 73% as of September 30, 2025 Please see Definitions and Additional Notes for additional information on the methodology used to calculate investment performance. Past performance is no guarantee of future results. This is not investment advice and may not be construed as sales or marketing material for any financial product or service sponsored or provided by Acadian.

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![](aamiearningspresentation010.jpg)

7 $0.9 $3.8 $13.8 $6.4 $5.4 Q4'24 Q1'25 Q2'25 Q3'25 Q4'25 Net Client Cash Flows: Sustained Momentum ▪ Q4'25 net flows of $5.4 billion, 3% of BoP AUM, driven by Enhanced, Extension and Emerging Markets Equity strategies ▪ FY 2025 net flows of $29.4 billion, 25% of BoP AUM, highest ever in firm's history – With $1.8 billion net flows in FY 2024, eight consecutive quarters of positive net flows Highlights Net Client Cash Flows ($ in billions) $5.4 billion Q4'25 Net flows +3% BoP AUM $29.4 billion 2025 Net flows +25% BoP AUM

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![](aamiearningspresentation011.jpg)

8 Q4 2025 FINANCIAL RESULTS

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![](aamiearningspresentation012.jpg)

9 Outstanding Performance Metrics Key Performance Metrics U.S. GAAP Basis ($ in millions, unless otherwise noted) Q4'24 Q4'25 Increase (Decrease) Q3'25 Increase (Decrease) FY 2024 FY 2025 Increase (Decrease) Revenue $167.8 $172.2 2.6 % $144.2 19.4 % $505.6 $563.7 11.5 % Operating income 65.0 57.4 (11.7) % 26.6 115.8 % 135.5 132.1 (2.5) % Pre-tax income attributable to controlling interests 60.3 51.1 (15.3) % 22.5 127.1 % 123.9 116.6 (5.9) % Net income attributable to controlling interests 42.5 34.7 (18.4) % 15.1 129.8 % 85.0 80.0 (5.9) % Diluted shares outstanding 37.6 35.8 35.8 38.3 36.2 Diluted earnings per share, $$1.13 $0.97 (14.2) % $0.42 131.0 % $2.22 $2.21 (0.5) % U.S. GAAP operating margin 38.7 % 33.3 % (540) bps 18.4 % 1489 bps 26.8 % 23.4 % (337) bps Economic Net Income Basis (Non-GAAP measure used by management) ENI revenue $166.7 $169.7 1.8 % $136.3 24.5 % $502.5 $549.1 9.3 % ENI operating earnings 70.5 77.5 9.9 % 45.3 71.1 % 167.8 194.7 16.0 % Pre-tax economic net income 65.8 66.5 1.1 % 37.8 75.9 % 146.2 163.7 12.0 % Economic net income 49.0 47.2 (3.7) % 27.2 73.5 % 105.8 117.6 11.2 % ENI diluted earnings per share, $$1.30 $1.32 1.5 % $0.76 73.7 % $2.76 $3.25 17.8 % Adjusted EBITDA 72.8 73.5 1.0 % 45.1 63.0 % 177.1 192.9 8.9 % ENI operating margin 42.3 % 45.7 % 338 bps 33.2 % 1243 bps 33.4 % 35.5 % 207 bps _______________________________________________________ Please see Definitions and Additional Notes Please see Supplemental Information, Reconciliations and Disclosures

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![](aamiearningspresentation013.jpg)

10 $166.7 $169.7 $111.3 $146.4 $55.4 $23.3 Management fees Performance fees Q4'24 Q4'25 ______________________________________________________ Notes: ENI revenue includes management fees and performance fees; Please see Definitions and Additional Notes Please see Supplemental Information, Reconciliations and Disclosures ENI Revenue: Growth Driven by Recurring Management Fees ▪ Q4'25 management fees increased 32% from Q4'24 reflecting a 43% increase in average AUM driven by strong positive NCCFs and market appreciation – Delivered 8% or higher quarter to quarter management fees growth for three consecutive quarters ▪ Total ENI revenue of $169.7 million increased 2% from Q4'24, primarily due to recurring management fee growth, partially offset by a decrease in performance fees Financial HighlightsENI Revenue ($ in millions) 2% 32% (58)% 2%

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![](aamiearningspresentation014.jpg)

11 $96.2 $92.2 $57.0 $59.9 $39.2 $32.3 Variable Compensation Operating Expenses Q4'24 Q4'25 ENI Expenses and Variable Compensation: Margin Expansion Financial HighlightsENI Operating Expenses and Variable Compensation ($ millions)2% 5% _______________________________________________________ Notes: ENI operating expenses reflect the Company's operating expenses (excluding variable compensation); Variable compensation is primarily comprised of a contractual percentage of ENI earnings before variable compensation and a contractual split of performance fees, which is awarded to employees and recognized over a contractual vesting period; Variable compensation also includes non-cash compensation in the form of Acadian LLC equity provided through recycling and AAMI equity; (1) Operating Expense (OpEx) Ratio reflects total ENI operating expenses as a percent of management fees and is subject to fluctuations as AUM and ENI management fees change; (2) Variable Compensation (VC) Ratio is calculated as variable compensation divided by ENI earnings before variable compensation. % Operating Margin 42.3% 45.7% % OpEx Ratio (1) 51.2% 40.9% % VC Ratio (2) 35.7% 29.4% (18)% ▪ Q4'25 ENI Operating Expenses increased 5% primarily driven by higher sales-based compensation as well as General and Administrative costs including continued investment in IT and infrastructure – Q4'25 ENI Operating Margin expanded 338 bps y/y to 45.7% mainly driven by increased ENI management fees – Q4'25 Operating Expenses (OpEx) Ratio(1) fell (10)%pts y/y to 40.9% reflecting improved operating leverage ▪ Q4'25 Variable Compensation (VC) decreased (18)% y/y primarily driven by reduced performance fee related compensation – Q4'25 VC Ratio(3) decreased (632) bps y/y to 29.4% – 2025 VC Ratio decreased to 39.4% from 42.3% in 2024 – Assuming revenue mix and levels similar to 2025, contractual allocations would imply a 2026 VC Ratio of 40%-43%,

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![](aamiearningspresentation015.jpg)

12 $101.2 $97.2 $200.0 ___________________________________________________________ Please see Definitions and Additional Notes (1) Represents the Company's total debt, divided by last twelve months Adjusted EBITDA (2) Represents the Company's total debt, net of total cash and cash equivalents, divided by last twelve months Adjusted EBITDA Capital Resources: Strengthened Balance Sheet • Cash and cash-equivalents of $101.2 million, and $97.2 million of seed investments ▪ Debt reflects $200.0 million balance on Term Loan credit facility and no outstanding balance on Revolving credit facility ▪ Leverage and Net Leverage both declined (0.5)x from Q4'24 to 1.0x and 0.5x respectively, driven by lower Debt outstanding and higher LTM adjusted EBITDA December 31, 2025 $94.8 $90.3 $274.3 Cash Debt Balance Sheet Profile ($ in millions) Seed Investments Leverage ratio(1) 1.5x 1.0x Net leverage ratio(2) 1.0x 0.5x December 31, 2024 December 31, 2025

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![](aamiearningspresentation016.jpg)

13 86.0 35.8 Q4'19 Q4'25 Capital Management: Shareholder Returns ▪ $1.4 billion in excess capital returned to stockholders since the end of 2019 through share buybacks and dividends ▪ Share repurchases were suspended in Q4'25 as balance sheet cash supported previously announced deleveraging – Repurchased 1.8 million shares of common stock in 2025, a 5% reduction in our total shares outstanding from the end of 2024, for an aggregate total of $48 million ▪ Board declared a quarterly interim dividend of $0.10 per share, an increase from the prior $0.01 per share level, to be paid on March 27, 2026 to shareholders of record as of the close of business on March 13, 2026 ▪ Expect to continue generating strong free cash flow and deploying excess capital toward supporting organic growth, dividends, and share repurchases over time Quarterly Diluted Shares Outstanding (in millions) Financial Highlights (58)%

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![](aamiearningspresentation017.jpg)

14 Closing: Acadian Compelling Investment Opportunity (1) Data as of December 31, 2025. Past performance is no guarantee of future results. This is not investment advice and may not be construed as sales or marketing material for any financial product or service sponsored or provided by Acadian. Competitive Position ■ Only pure-play, publicly traded systematic manager ■ 40-year track record with competitive edge in systematic investing ■ Strong performance track record with more than 95% of strategies by revenue outperforming benchmarks over 3- / 5- / 10- year periods(1) Business Momentum ■ Net inflows of $5.4 billion for Q4'25, (3% of BoP AUM), $29.4 billion for 2025 (25% of BoP AUM), highest annual net inflows in firm history ■ AUM of $177.5 billion(1), highest in the firm's 40 year history Q4'25 Financial Results ■ Record quarterly management fees of $146.4 million, up 32% from Q4'24 ■ ENI EPS of $1.32, highest ever in the firms's history, up 2% from Q4'24 ■ ENI Operating Margin expanded 338 bps to 45.7%, up from 42.3% in Q4'24 Capital Management ■ Senior Notes redemption and Term Loan A refinancing strengthens balance sheet ■ Dividend increased to $0.10 from $0.01 ■ Strong free cash flow positions us to continue to return excess capital to shareholders Positioned to continue to drive growth through targeted distribution initiatives and new product offerings

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![](aamiearningspresentation018.jpg)

15 Supplemental Information, Reconciliations and Disclosures

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![](aamiearningspresentation019.jpg)

16 PROFILE 1986 founded $177.5B AUM 95% of strategies outperforming(1) 100+ investment team 100+ advanced degrees DISTRIBUTION 4 Global distribution offices >100 Distribution professionals >50 Consultant relationships >40 countries across clients >80 funds available for investors CLIENT FRANCHISE >1,000 Institutional accounts 5 Top 20 global asset owners 24 clients among the top 50 U.S. retirement plans >40% of assets from clients invested in multiple Acadian strategies >10 Years avg. relationship length(2) 44% Non-U.S. assets(3) Acadian: Only Pure-Play Publicly-Traded Systematic Manager ___________________________________________________________ Data as of December 31, 2025; Notes: (1) Revenue benchmarks over 5-year period (2) With top 50 clients; (3) By client domicile Past performance is no guarantee of future results. This is not investment advice and may not be construed as sales or marketing material for any financial product or service sponsored or provided by Acadian. Boston (est 1986) - London (est 2006) - Singapore (est 1999) - Sydney (est 2005)

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17 U.S. GAAP Statement of Operations ($ in millions, unless otherwise noted) Q4'24 Q4'25 Increase (Decrease) Q3'25 FY 2024 FY 2025 Management fees $111.3 $146.4 31.5 % $136.1 $431.1 $517.7 Performance fees 55.4 23.3 (57.9) % 0.2 71.4 31.4 Consolidated Funds' revenue 1.1 2.5 n/m 7.9 3.1 14.6 Total revenue 167.8 172.2 2.6 % 144.2 505.6 563.7 Compensation and benefits 75.6 84.6 11.9 % 84.7 265.5 313.9 General and administrative 22.3 24.4 9.4 % 23.5 85.2 92.0 Depreciation and amortization 4.4 4.1 (6.8) % 4.1 18.5 16.6 Consolidated Funds' expense 0.5 1.7 n/m 5.3 0.9 9.1 Total operating expenses 102.8 114.8 11.7 % 117.6 370.1 431.6 Operating income 65.0 57.4 (11.7) % 26.6 135.5 132.1 Investment income (loss) (0.3) (0.2) n/m — 2.2 (0.1) Interest income 0.7 0.9 28.6 % 0.9 3.5 3.7 Interest expense (4.4) (7.0) 59.1 % (4.6) (19.4) (21.7) Loss on extinguishment of debt — (1.4) n/m — — (1.4) Net consolidated Funds' investment gains (2.6) 3.4 n/m 11.5 3.9 30.6 Income before income taxes 58.4 53.1 (9.1) % 34.4 125.7 143.2 Income tax expense 17.8 16.4 (7.9) % 7.4 38.9 36.6 Net income 40.6 36.7 (9.6) % 27.0 86.8 106.6 Net income attributable to non-controlling interests (1.9) 2.0 n/m 11.9 1.8 26.6 Net income attributable to controlling interests $42.5 $34.7 (18.4) % $15.1 $85.0 $80.0 Earnings per share, basic, $$1.14 $0.97 (14.9) % $0.42 $2.25 $2.21 Earnings per share, diluted, $$1.13 $0.97 (14.2) % $0.42 $2.22 $2.21 Average basic shares outstanding (in millions) 37.4 35.7 35.8 37.8 36.2 Average diluted shares outstanding (in millions) 37.6 35.8 35.8 38.3 36.2 U.S. GAAP operating margin 39 % 33 % (540) bps 18 % 27 % 23 % Pre-tax income attributable to controlling interests $60.3 $51.1 (15.3) % $22.5 $123.9 $116.6 Net income attributable to controlling interests $42.5 $34.7 (18.4) % $15.1 $85.0 $80.0 Q4'25 vs. Q4'24 ▪ Total revenue increased 2.6% from Q4'24 driven by higher management fees reflecting an increase in average AUM in Q4'25 compared to Q4'24 ▪ Operating expenses increased 11.7% from Q4'24 driven by an increase in compensation and benefits expense primarily due to an increase in the value of the equity plan liability and an increase in Acadian LLC key employee distributions in Q4'25 compared to Q4'24 ▪ Income tax expense decreased (7.9)% from Q4'24 as a result of a decrease in pre-tax income attributable to controlling interests ▪ U.S. GAAP net income attributable to controlling interests decreased (18.4)% from Q4'24 primarily due to the increase in operating expenses ▪ Diluted earnings per share decreased (14.2)% from Q4'24 due to lower net income attributable to controlling interests in Q4'25, partially offset by lower diluted shares outstanding ___________________________________________________________ Please see Definitions and Additional Notes

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18 _______________________________________________________ Please see Definitions and Additional Notes (1) Represents reported ENI management fee revenue. ENI Operating Expenses and ENI Variable Compensation ENI Operating Expenses ($ in millions) Q4'24 Q4'25 Q3'25 FY 2024 FY 2025 $M % of MFs(1) $M % of MFs(1) $M % of MFs(1) $M % of MFs(1) $M % of MFs(1) Fixed compensation and benefits $25.5 22.9 % $24.8 16.9 % $28.0 20.6 % $97.8 22.7 % $102.1 19.7 % G&A expenses (excl. sales-based compensation) 21.9 19.7 % 24.4 16.7 % 23.4 17.2 % 83.9 19.5 % 92.0 17.8 % Depreciation and amortization 4.4 4.0 % 4.1 2.8 % 4.1 3.0 % 18.1 4.2 % 16.6 3.2 % Core operating expense subtotal $51.8 46.5 % $53.3 36.4 % $55.5 40.8 % $199.8 46.3 % $210.7 40.7 % Sales-based compensation 5.2 4.7 % 6.6 4.5 % 3.4 2.5 % 12.1 2.8 % 17.0 3.3 % Total ENI operating expenses $57.0 51.2 % $59.9 40.9 % $58.9 43.3 % $211.9 49.2 % $227.7 44.0 % Note: ENI management fees $111.3 $146.4 $136.1 $431.1 $517.7 ENI Operating Margin 42.3 % 45.7 % 33.2 % 33.4 % 35.5 % ENI Variable Compensation ($ in millions) Q4'24 Q4'25 Q3'25 FY 2024 FY 2025 Cash variable compensation $37.5 $30.5 $30.3 $115.9 $120.8 Add: Non-cash equity-based award amortization 1.7 1.8 1.8 6.9 5.9 Variable compensation 39.2 32.3 32.1 122.8 126.7 Earnings before variable compensation $109.7 $109.8 $77.4 $290.6 $321.4 Variable Compensation Ratio (VC as % of earnings before variable comp.) 35.7 % 29.4 % 41.5 % 42.3 % 39.4 % Reconciliation of U.S. GAAP Operating Income to ENI Operating Earnings ($ in millions) Q4'24 Q4'25 Q3'25 FY 2024 FY 2025 U.S. GAAP operating income $65.0 $57.4 $26.6 $135.5 $132.1 Exclude the impact of: Acadian LLC key employee-owned equity and profit interest revaluations 3.6 12.0 16.3 23.2 47.7 Restructuring costs 0.2 (0.2) (0.2) 1.6 (1.0) Acadian LLC key employee distributions 2.3 9.1 5.2 9.7 21.4 Variable compensation 39.2 32.3 32.1 122.8 126.7 Consolidated Funds' operating income (0.6) (0.8) (2.6) (2.2) (5.5) ENI earnings before variable compensation 109.7 109.8 77.4 290.6 321.4 Less: ENI variable compensation (39.2) (32.3) (32.1) (122.8) (126.7) ENI operating earnings $70.5 $77.5 $45.3 $167.8 $194.7

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19 Acadian LLC Key Employee Distributions ($ in millions) Q4'24 Q4'25 Q3'25 FY 2024 FY 2025 Earnings after variable compensation (ENI operating earnings) $70.5 $77.5 $45.3 $167.8 $194.7 Less: Acadian LLC key employee distributions (2.3) (9.1) (5.2) (9.7) (21.4) Earnings after Acadian LLC key employee distributions $68.2 $68.4 $40.1 $158.1 $173.3 Acadian LLC Key Employee Distribution Ratio (/) 3.3 % 11.7 % 11.5 % 5.8 % 11.0 % ▪ Represent the share of Acadian LLC profits after variable compensation that is attributable to key employee equity and profit interests holders, according to their ownership interests ▪ Distribution Ratio increased to 11.7% in Q4'25 due to growth in management fee profit above contractual thresholds ▪ Given current levels of profits after variable compensation relative to the contractual threshold, the 2026 full-year Distribution Ratio is expected to be 12%-14% Acadian LLC Key Employee Distributions A A B B Commentary _______________________________________________________ Please see Definitions and Additional Notes

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20 ($ in millions) December 31, 2024 December 31, 2025 Assets Cash and cash equivalents $94.8 $101.2 Investment advisory fees receivable 164.7 178.5 Right of use assets 52.5 47.6 Investments 67.9 51.2 Other assets 164.0 160.0 Assets of consolidated Funds 159.3 138.5 Total assets $703.2 $677.0 Liabilities and shareholders' equity Accounts payable and accrued expenses $157.5 $167.5 Third party borrowings 274.3 200.0 Revolving credit facility — — Operating lease liabilities 67.3 61.4 Other liabilities 95.8 133.0 Liabilities of consolidated Funds 21.2 31.1 Total liabilities $616.1 $593.0 Shareholders' equity 20.0 60.6 Redeemable NCI of consolidated Funds 67.1 23.4 Total equity 87.1 84.0 Total liabilities and equity $703.2 $677.0 Weighted average quarterly diluted shares 37.6 35.8 Leverage ratio(1) 1.5 x 1.0 x Net leverage ratio(2) 1.0 x 0.5 x Balance Sheet _______________________________________________________ Please see Definitions and Additional Notes (1) Represents the Company's third party borrowings and revolving credit facility, divided by last twelve months Adjusted EBITDA. (2) Represents the Company's third party borrowings and revolving credit facility, net of total cash and cash equivalents, divided by last twelve months Adjusted EBITDA.

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21 Assets Under Management Rollforward ($ in billions, unless otherwise noted) Q4'24 Q3'25 Q4'25 FY 2024 FY 2025 Beginning balance $120.3 $151.1 $166.4 $103.7 $117.3 Gross inflows 5.5 11.9 15.6 21.2 55.0 Gross outflows (5.4) (6.5) (11.2) (22.7) (29.2) Reinvested income and distributions 0.8 1.0 1.0 3.3 3.6 Net flows 0.9 6.4 5.4 1.8 29.4 Market appreciation (3.9) 8.9 5.7 11.8 30.8 Ending balance $117.3 $166.4 $177.5 $117.3 $177.5 Average AUM $118.1 $156.5 $169.1 $112.3 $144.3 ENI management fee rate (bps) 37.5 34.5 34.3 38.4 35.9

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22 ($ in millions) Q4'24 Q4'25 Q3'25 FY 2024 FY 2025 U.S. GAAP net income attributable to controlling interests $42.5 $34.7 $15.1 $85.0 $80.0 Adjustments to reflect the economic earnings of the Company: Non-cash key employee-owned equity and profit interest revaluations(2) 3.6 12.0 16.3 23.2 47.7 Amortization of acquired intangible assets(2) — — — — — Capital transaction costs(2) 0.1 4.4 0.1 0.3 4.6 Seed/Co-investment (gains) losses and financings(2) 1.6 (0.7) (0.9) (2.8) (4.2) Tax benefit of goodwill and acquired intangible deductions 0.3 0.2 0.3 1.5 1.0 Discontinued operations attributable to controlling interests and restructuring(2)(3) 0.2 (0.3) (0.2) 1.6 (1.0) Total adjustment to reflect earnings of the Company $5.8 $15.6 $15.6 $23.8 $48.1 Tax effect of above adjustments(2) (1.5) (4.1) (4.2) (6.1) (12.8) ENI tax normalization 2.2 1.0 0.7 3.1 2.3 Economic net income $49.0 $47.2 $27.2 $105.8 $117.6 ENI net interest expense to third parties 2.4 1.9 2.3 11.9 9.6 Depreciation and amortization(4) 4.6 5.1 5.0 19.0 19.6 Tax on Economic Net Income 16.8 19.3 10.6 40.4 46.1 Adjusted EBITDA $72.8 $73.5 $45.1 $177.1 $192.9 Reconciliations from U.S. GAAP to Non-GAAP Measures(1) i Exclude non-cash expenses representing changes in the value of Acadian LLC equity and profit interests held by Acadian LLC key employees ii Exclude non-cash amortization or impairment expenses related to acquired goodwill and other intangibles iii Exclude capital transaction costs including the costs of raising debt or equity, gains or losses realized as a result of redeeming debt or equity and direct incremental costs associated with acquisitions of businesses or assets iv Exclude gains/losses on seed capital and co-investments, as well as related financing costs v Include cash tax benefits related to tax amortization of acquired intangibles vi Exclude results of discontinued operations as they are not part of the ongoing business, and restructuring costs incurred in continuing operations vii Exclude one-off tax benefits or costs unrelated to current operations ENI Adjustments 1 3 2 3 4 5 7 6 2 1 4 5 6 7 _______________________________________________________ Please see Definitions and Additional Notes (1) For further information and additional reconciliations between U.S. GAAP and non-GAAP measures, see the Company's Annual Report on Form 10-K and the Company's Quarterly Report on Form 10-Q.. (2) Tax-affected items for which adjustments are included in "Tax effect of above adjustments" line, excluding the discontinued operations component of item 6; taxed at 27.3% U.S. statutory rate (including state tax). (3) The three months ended December 31, 2024 includes costs associated with the transfer of an insurance policy from our former Parent of $0.4 million and severance-related items at Acadian LLC of $(0.2) million. The three months ended December 31, 2025 includes severance-related items at Acadian LLC of $(0.3) million. The three months ended September 30, 2025 includes severance-related items at Acadian LLC of $(0.2) million. The twelve months ended December 31, 2024 includes costs associated with the transfer of an insurance policy from our former Parent of $1.3 million, severance-related items at Acadian LLC of $(1.0) million and costs associated with the wind-down of the MACS business in the standalone format of $1.3 million. The twelve months ended December 31, 2025 includes severance-related items at Acadian LLC of $(1.0) million. (4) Includes non-cash equity-based award amortization expense.

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23 Reconciliations from U.S. GAAP to Non-GAAP Measures(1) Reconciliation of per-share U.S. GAAP Net Income to Economic Net Income per share ($) Q4'24 Q4'25 Q3'25 FY 2024 FY 2025 U.S. GAAP net income per share $1.13 $0.97 $0.42 $2.22 $2.21 Adjustments to reflect the economic earnings of the Company: i. Non-cash key employee-owned equity and profit interest revaluations 0.10 0.33 0.46 0.61 1.32 ii. Amortization and impairment of goodwill and intangible assets — — — — — iii. Capital transaction costs — 0.12 — 0.01 0.13 iv. Seed/Co-investment gains and financing 0.04 (0.02) (0.02) (0.07) (0.12) v. Tax benefit of goodwill and acquired intangibles deductions 0.01 0.01 0.01 0.04 0.03 vi. Discontinued operations and restructuring — (0.01) (0.01) 0.03 (0.03) vii. ENI tax normalization 0.06 0.03 0.02 0.08 0.06 Tax effect of above adjustments, as applicable (0.04) (0.11) (0.12) (0.16) (0.35) Economic net income per share $1.30 $1.32 $0.76 $2.76 $3.25 Reconciliation of U.S. GAAP Revenue to ENI Revenue ($ in millions) Q4'24 Q4'25 Q3'25 FY 2024 FY 2025 U.S. GAAP revenue $167.8 $172.2 $144.2 $505.6 $563.7 Exclude revenue from consolidated Funds (1.1) (2.5) (7.9) (3.1) (14.6) ENI revenue $166.7 $169.7 $136.3 $502.5 $549.1 _______________________________________________________ Please see Definitions and Additional Notes (1) For further information and additional reconciliations between U.S. GAAP and non-GAAP measures, see the Company's Annual Report on Form 10-K and the Company's Quarterly Report on Form 10-Q.. (2) The three months ended December 31, 2024 includes costs associated with the transfer of an insurance policy from our former Parent of $0.4 million and severance-related items at Acadian LLC of $(0.2) million. The three months ended December 31, 2025 includes severance-related items at Acadian LLC of $(0.3) million. The three months ended September 30, 2025 includes severance-related items at Acadian LLC of $(0.2) million. The twelve months ended December 31, 2024 includes costs associated with the transfer of an insurance policy from our former Parent of $1.3 million, severance-related items at Acadian LLC of $(1.0) million and costs associated with the wind-down of the MACS business in the standalone format of $1.3 million. The twelve months ended December 31, 2025 includes severance-related items at Acadian LLC of $(1.0) million. (3) Represents ENI variable compensation. For the three months ended December 31, 2024, December 31, 2025 and September 30, 2025, the U.S. GAAP equivalent of variable compensation was $39.0 million, $32.1 million and $31.8 million, respectively. For the twelve months ended December 31, 2024 and December 31, 2025 the U.S. GAAP equivalent of variable compensation was $122.7 million and $125.7 million, respectively. Reconciliation of U.S. GAAP Operating Expense to ENI Operating Expense ($ in millions) Q4'24 Q4'25 Q3'25 FY 2024 FY 2025 U.S. GAAP operating expense $102.8 $114.8 $117.6 $370.1 $431.6 Less: items excluded from ENI Non-cash key employee-owned equity and profit interest revaluations (3.6) (12.0) (16.3) (23.2) (47.7) Restructuring costs(2) (0.2) 0.2 0.2 (1.6) 1.0 Consolidated Funds' operating expense (0.5) (1.7) (5.3) (0.9) (9.1) Less: items segregated out of U.S. GAAP operating expense Variable compensation(3) (39.2) (32.3) (32.1) (122.8) (126.7) Acadian key employee distributions (2.3) (9.1) (5.2) (9.7) (21.4) ENI operating expense $57.0 $59.9 $58.9 $211.9 $227.7

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24 Reconciliations from U.S. GAAP to Non-GAAP Measures(1) _______________________________________________________ Please see Definitions and Additional Notes (1) For further information and additional reconciliations between U.S. GAAP and non-GAAP measures, see the Company's Annual Report on Form 10-K and the Company's Quarterly Report on Form 10-Q. (2) The three months ended December 31, 2024 includes costs associated with the transfer of an insurance policy from our former Parent of $0.4 million and severance-related items at Acadian LLC of $(0.2) million.The three months ended December 31, 2025 includes severance-related items at Acadian LLC of $(0.3) million.The three months ended September 30, 2025 includes severance-related items at Acadian LLC of $(0.2) million. The twelve months ended December 31, 2024 includes costs associated with the transfer of an insurance policy from our former Parent of $1.3 million, severance-related items at Acadian LLC of $(1.0) million and costs associated with the wind-down of the MACS business in the standalone format of $1.3 million. The twelve months ended December 31, 2025 includes severance-related items at Acadian LLC of $(1.0) million. Reconciliation of U.S. GAAP Pre-tax Income to Pre-tax ENI ($ in millions) Q4'24 Q4'25 Q3'25 FY 2024 FY 2025 U.S. GAAP pre-tax income $58.4 $53.1 $34.4 $125.7 $143.2 Adjustments to reflect the economic earnings of the Company: Non-cash key employee-owned equity and profit interest revaluations 3.6 12.0 16.3 23.2 47.7 Capital transaction costs 0.1 4.4 0.1 0.3 4.6 Seed/Co-investment (gains) losses and financings 1.6 (0.7) (0.9) (2.8) (4.2) Discontinued operations and restructuring costs(2) 0.2 (0.3) (0.2) 1.6 (1.0) Net income attributable to non-controlling interests 1.9 (2.0) (11.9) (1.8) (26.6) Pre-tax ENI $65.8 $66.5 $37.8 $146.2 $163.7

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25 Segment Reconciliation ($ in millions) Q4'24 Q4'25 Q3'25 FY 2024 FY 2025 U.S. GAAP Consolidated Revenue $167.8 $172.2 $144.2 $505.6 $563.7 Exclude revenue from consolidated Funds (a) 1.1 2.5 7.9 3.1 14.6 Quant & Solutions Segment ENI Revenue 166.7 169.7 136.3 502.5 549.1 Quant & Solutions Segment ENI Expenses Fixed compensation and benefits (b) 23.8 23.4 26.4 90.7 96.1 Variable compensation (c) 38.1 30.5 31.1 119.9 121.8 Acadian LLC key employee distributions (d) 2.3 9.1 5.2 9.7 21.4 Depreciation and amortization (e) 4.4 4.1 4.1 18.1 16.6 Other segment items (f) 25.2 29.4 25.3 87.9 101.6 Segment ENI $72.9 $73.2 $44.2 $176.2 $191.6 Reconciliation of segment ENI to net income attributable to controlling interests: Unallocated Corporate expenses (g) (5.1) (4.8) (4.2) (19.4) (18.3) Adjustments and reconciling items (h) 0.8 1.0 2.9 1.9 6.5 Non-cash compensation expenses for Acadian LLC key employee equity and profit interest revaluations (i) (3.6) (12.0) (16.3) (23.2) (47.7) Investment income (loss) (0.3) (0.2) — 2.2 (0.1) Interest income 0.7 0.9 0.9 3.5 3.7 Interest expense (4.4) (7.0) (4.6) (19.4) (21.7) Loss on extinguishment of debt — (1.4) — — (1.4) Net consolidated funds' investment gains (losses) (2.6) 3.4 11.5 3.9 30.6 Income before Income Taxes $58.4 $53.1 $34.4 $125.7 $143.2 Income tax expense (17.8) (16.4) (7.4) (38.9) (36.6) Consolidated Net Income $40.6 $36.7 $27.0 $86.8 $106.6 Net income attributable to non-controlling interests in consolidated Funds 1.9 (2.0) (11.9) (1.8) (26.6) Net income attributable to controlling interests $42.5 $34.7 $15.1 $85.0 $80.0 (a) Adjusted to exclude consolidated Funds revenues which are included in U.S. GAAP revenue. (b) Fixed compensation and benefits includes base salaries, payroll taxes and the cost of benefit programs provided. (c) Variable compensation is contractually set and calculated individually for Acadian LLC bonuses, adjusted for non-cash Acadian LLC key employee equity revaluations and severance relating to restructuring costs. (d) Acadian LLC key employee distributions includes the share of Acadian LLC profits after variable compensation that is attributable to the Acadian LLC key employee equity and profits interests holders, according to their ownership interests. (e) Depreciation and amortization includes US GAAP depreciation and amortization. (f) Other segment items includes segment systems, portfolio administration costs, sales commissions and other general & administrative expenses. (g) Unallocated corporate expenses include compensation and benefits of $2.8 million and general and administrative expenses of $2.3 million related to Hold Co which are reflected in U.S. GAAP net income attributable to controlling interests for Q4'24. Unallocated corporate expenses include compensation and benefits of $3.2 million and general and administrative expenses of $1.6 million related to Hold Co which are included in U.S. GAAP net income attributable to controlling interests for Q4'25. Unallocated corporate expenses include compensation and benefits of $2.7 million and general and administrative expenses of $1.5 million related to Hold Co which are included in U.S. GAAP net income attributable to controlling interests for Q3'25. Unallocated corporate expenses include compensation and benefits of $10.0 million and general and administrative expenses of $9.4 million related to Hold Co which are included in U.S. GAAP net income attributable to controlling interests for FY 2024. Unallocated corporate expenses include compensation and benefits of $10.9 million and general and administrative expenses of $7.4 million related to Hold Co which are included in U.S. GAAP net income attributable to controlling interests for FY 2025. (h) Adjustments and reconciling items includes consolidated Funds revenue and expense and restructuring costs. (i) Non-cash Acadian LLC key employee equity revaluations represent changes in the value of Acadian LLC equity and profit interests held by Acadian LLC key employees, which are included within U.S. GAAP compensation and benefits expense.

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26 References to "Acadian Asset Management", "Acadian", "AAMI" or the "Company" refer to Acadian Asset Management Inc.; references to "Hold Co" refer to AAMI and its subsidiaries excluding Acadian Asset Management LLC ("Acadian LLC"). The Company currently operates its business through one asset management firm, Acadian LLC. The Company's distribution activities are conducted in various jurisdictions through affiliated companies in accordance with local regulatory requirements. The Company uses a non-GAAP performance measure referred to as economic net income ("ENI") to represent its view of the underlying economic earnings of the business. ENI is used to make resource allocation decisions, determine appropriate levels of investment or dividend payout, manage balance sheet leverage, determine Acadian LLC variable compensation and equity distributions, and incentivize management. The Company's ENI adjustments to U.S. GAAP include both reclassifications of U.S. GAAP revenue and expense items, as well as adjustments to U.S. GAAP results, primarily to exclude non-cash, non-economic expenses, or to reflect cash benefits not recognized under U.S. GAAP. The Company re-categorizes certain line items on the income statement to: • exclude the effect of Fund consolidation by removing the portion of Fund revenues, expenses and investment return which is not attributable to its shareholders; • include within management fee revenue any fees paid to Acadian by consolidated Funds; • treat sales-based compensation as a general and administrative expense, rather than part of fixed compensation and benefits; and • identify separately from operating expenses, variable compensation and Acadian LLC key employee distributions, which represent Acadian LLC earnings shared with Acadian LLC key employees. The Company also makes the following adjustments to U.S. GAAP results to more closely reflect its economic results by: i. excluding non-cash expenses representing changes in the value of Acadian LLC equity and profit interests held by Acadian LLC key employees. These ownership interests may in certain circumstances be repurchased by the Hold Co at a value based on a pre-determined fixed multiple of trailing earnings and as such this value is carried on the Company's balance sheet as a liability. Non-cash movements in the value of this liability are treated as compensation expense under U.S. GAAP. However, any equity or profit interests repurchased by the Hold Co can be used to fund a portion of future variable compensation awards, resulting in savings in cash variable compensation that offset the negative cash effect of repurchasing the equity. ii. excluding non-cash amortization or impairment expenses related to acquired goodwill and other intangibles as these are non-cash charges that do not result in an outflow of tangible economic benefits from the business. iii. excluding capital transaction costs, including the costs of raising debt or equity, gains or losses realized as a result of redeeming debt or equity and direct incremental costs associated with acquisitions of businesses or assets. iv. excluding seed capital and co-investment gains, losses and related financing costs. The net returns on these investments are considered and presented separately from ENI because ENI is primarily a measure of the Company's earnings from managing client assets, which therefore differs from earnings generated by its investments in Acadian LLC products, which can be variable from period to period. v. including cash tax benefits associated with deductions allowed for acquired intangibles and goodwill that may not be recognized or have timing differences compared to U.S. GAAP. vi. excluding the results of discontinued operations attributable to controlling interests since they are not part of the Company's ongoing business, restructuring costs incurred in continuing operations. vii. excluding deferred tax resulting from changes in tax law and expiration of statutes, adjustments for uncertain tax positions, deferred tax attributable to intangible assets and other unusual items not related to current operating results to reflect ENI tax normalization. The Company adjusts its income tax expense to reflect any tax impact of its ENI adjustments. Adjusted EBITDA Adjusted EBITDA is defined as economic net income before interest, income taxes, depreciation and amortization. The Company notes that its calculation of Adjusted EBITDA may not be consistent with Adjusted EBITDA as calculated by other companies. The Company believes Adjusted EBITDA is a useful liquidity metric because it indicates the Company's ability to make further investments in its business, service debt and meet working capital requirements. Refer to the reconciliation of U.S. GAAP net income attributable to controlling interests to ENI and Adjusted EBITDA. Segment ENI Segment ENI represents ENI for the Company's reportable segment, calculated in accordance with the Company's definition of Economic Net Income, before income tax, interest income and interest expense. Methodologies for calculating investment performance: Revenue-weighted investment performance measures the percentage of management fee revenue generated by Acadian strategies which are beating benchmarks. It calculates each strategy's percentage weight by taking its estimated composite revenue over total composite revenues in each period, then sums the total percentage of revenue for strategies outperforming. Figures calculated using gross of fee strategy composite returns. Asset-weighted investment performance measures the percentage of AUM in strategies beating benchmarks. It calculates each strategy's percentage weight by taking its composite AUM over total composite AUM in each period, then sums the total percentage of AUM for strategies outperforming. Figures calculated using gross of fee strategy composite returns. ENI operating earnings ENI operating earnings represents ENI earnings before Acadian LLC key employee distributions and is calculated as ENI revenue, less ENI operating expense, less ENI variable compensation. It differs from economic net income because it does not include the effects of Acadian LLC key employee distributions, net interest expense or income tax expense. Definitions and Additional Notes

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27 Definitions and Additional Notes ENI operating margin The ENI operating margin, which is calculated before Acadian LLC key employee distributions, is used by management and is useful for investors to evaluate the overall operating margin of the business without regard to the Company's ownership level of Acadian LLC. ENI operating margin is a non-GAAP efficiency measure, calculated based on ENI operating earnings divided by ENI revenue. The ENI operating margin is most comparable to the Company's U.S. GAAP operating margin. ENI management fee revenue ENI management fee revenue corresponds to U.S. GAAP management fee revenue. ENI operating expense ratio The ENI operating expense ratio is used by management and is useful for investors to evaluate the level of operating expense as measured against the Company's recurring management fee revenue. The Company has provided this ratio since many operating expenses, including fixed compensation & benefits and general and administrative expense, are generally linked to the overall size of the business. The Company tracks this ratio as a key measure of scale economies because in its profit sharing economic model, scale benefits both Acadian LLC employees and AAMI shareholders. ENI earnings before variable compensation ENI earnings before variable compensation is calculated as ENI revenue, less ENI operating expense. ENI variable compensation ratio The ENI variable compensation ratio is calculated as variable compensation divided by ENI earnings before variable compensation. It is used by management and is useful for investors to evaluate consolidated variable compensation as measured against the Company's ENI earnings before variable compensation. Variable compensation is usually awarded based on a contractual percentage of Acadian LLC's ENI earnings before variable compensation and may be paid in the form of cash, non-cash Acadian LLC equity or profit interests or AAMI equity. Hold Co variable compensation includes cash and AAMI equity. Non-cash variable compensation awards typically vest over several years and are recognized as compensation expense over that service period. ENI Acadian LLC key employee distribution ratio The Acadian LLC key employee distribution ratio is calculated as Acadian LLC key employee distributions divided by ENI operating earnings. The ENI Acadian key employee distribution ratio is used by management and is useful to investors to evaluate Acadian LLC key employee distributions as measured against the Company's ENI operating earnings. Acadian LLC key employee distributions represent the share of Acadian LLC profits after variable compensation that is attributable to Acadian LLC key employee equity and profit interests holders, according to their ownership interests. For Acadian LLC profit interest distributions, the Hold Co is entitled to an initial preference over profits after variable compensation, structured such that before a preference threshold is reached, there would be no required key employee distributions, whereas for profits above the threshold the key employee distribution amount would be calculated based on the key employee economic percentages at Acadian LLC. U.S. GAAP operating margin U.S. GAAP operating margin equals operating income from continuing operations divided by total revenue. Consolidated Funds Financial information presented in accordance with U.S. GAAP may include the results of consolidated pooled investment vehicles, or Funds, managed by Acadian LLC, where it has been determined that these entities are controlled by the Company. Financial results which are "attributable to controlling interests" exclude the impact of Funds to the extent it is not attributable to the Company's shareholders. Reinvested income and distributions Net flows include reinvested income and distributions. Reinvested income and distributions represent investment yield not distributed as cash, and reinvested back to the portfolios. n/m "Not meaningful."

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