# EDGAR Filing Document

**Accession Number:** 0000912036
**File Stem:** 0000940400-25-003026
**Filing Date:** 2025-9
**Character Count:** 38500
**Document Hash:** 01d7fafecf18571b2e31dd6f03cd6fb4
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000940400-25-003026.hdr.sgml**: 20250929

**ACCESSION NUMBER**: 0000940400-25-003026

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20250731

**FILED AS OF DATE**: 20250929

**DATE AS OF CHANGE**: 20250929

**PERIOD START**: 20251031

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AMG Funds IV
- **CENTRAL INDEX KEY:** 0000912036

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1031

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-08004
- **FILM NUMBER:** 251353189

**BUSINESS ADDRESS:**
- **STREET 1:** 680 WASHINGTON BOULEVARD, SUITE 500
- **CITY:** STAMFORD
- **STATE:** CT
- **ZIP:** 06901
- **BUSINESS PHONE:** 203-299-3500

**MAIL ADDRESS:**
- **STREET 1:** 680 WASHINGTON BOULEVARD, SUITE 500
- **CITY:** STAMFORD
- **STATE:** CT
- **ZIP:** 06901

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ASTON FUNDS
- **DATE OF NAME CHANGE:** 20061201

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ABN AMRO FUNDS
- **DATE OF NAME CHANGE:** 20021227

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ALLEGHANY FUNDS
- **DATE OF NAME CHANGE:** 19980406

## Series and Classes Contracts Data

### AMG River Road Mid Cap Value Fund (Series ID: S000001125)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000003029 | CLASS N SHARES | CHTTX           |
| C000003030 | CLASS I SHARES | ABMIX           |
| C000194566 | Class Z Shares | ABIZX           |

## Nport-Ex

AMG River Road Mid Cap Value Fund

Schedule of Portfolio Investments *(unaudited)*

July 31, 2025

---

| | | |
|:---|:---|:---|
|  | Shares | &nbsp;&nbsp;Value |
| **Common Stocks - 96.7%** |  |  |
| &nbsp;&nbsp;&nbsp;**Communication Services - 3.4%** |  |  |
| &nbsp;&nbsp;&nbsp;Atlanta Braves Holdings, Inc., Class C<sup>\*</sup> | &nbsp;&nbsp;116261 | &nbsp;&nbsp;&nbsp;$5180590 |
| &nbsp;&nbsp;&nbsp;Warner Music Group Corp., Class A | 219934 | &nbsp;&nbsp;&nbsp;&nbsp;6435269 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total Communication Services |  | &nbsp;&nbsp;&nbsp;&nbsp;11615859 |
| &nbsp;&nbsp;&nbsp;**Consumer Discretionary - 16.5%** |  |  |
| &nbsp;&nbsp;&nbsp;Carnival Corp.<sup>\*</sup> | &nbsp;&nbsp;190313 | &nbsp;&nbsp;&nbsp;&nbsp;5665618 |
| &nbsp;&nbsp;&nbsp;Expedia Group, Inc. | &nbsp;&nbsp;39988 | &nbsp;&nbsp;&nbsp;&nbsp;7206637 |
| &nbsp;&nbsp;&nbsp;Lennar Corp., Class A | &nbsp;&nbsp;59788 | &nbsp;&nbsp;&nbsp;&nbsp;6707018 |
| &nbsp;&nbsp;&nbsp;Lithia Motors, Inc. | &nbsp;&nbsp;&nbsp;37766 | &nbsp;&nbsp;&nbsp;10876608 |
| &nbsp;&nbsp;&nbsp;Lululemon Athletica, Inc. (Canada)<sup>\*</sup> | &nbsp;&nbsp;25876 | &nbsp;&nbsp;&nbsp;&nbsp;5188914 |
| &nbsp;&nbsp;&nbsp;Murphy USA, Inc. | &nbsp;&nbsp;&nbsp;22210 | &nbsp;&nbsp;&nbsp;&nbsp;8050681 |
| &nbsp;&nbsp;&nbsp;Restaurant Brands International, Inc. (Canada) | &nbsp;&nbsp;121130 | &nbsp;&nbsp;&nbsp;&nbsp;8219882 |
| &nbsp;&nbsp;&nbsp;SharkNinja, Inc.<sup>\*</sup> | &nbsp;&nbsp;42035 | &nbsp;&nbsp;&nbsp;&nbsp;4880264 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total Consumer Discretionary |  | &nbsp;&nbsp;56795622 |
| &nbsp;&nbsp;&nbsp;**Consumer Staples - 8.3%** |  |  |
| &nbsp;&nbsp;&nbsp;BJ's Wholesale Club Holdings, Inc.<sup>\*</sup> | &nbsp;&nbsp;&nbsp;84801 | &nbsp;&nbsp;&nbsp;&nbsp;8980426 |
| &nbsp;&nbsp;&nbsp;Casey's General Stores, Inc. | &nbsp;&nbsp;&nbsp;6643 | &nbsp;&nbsp;&nbsp;&nbsp;3455224 |
| &nbsp;&nbsp;&nbsp;Constellation Brands, Inc., Class A | &nbsp;&nbsp;30996 | &nbsp;&nbsp;&nbsp;&nbsp;5177572 |
| &nbsp;&nbsp;&nbsp;The Estee Lauder Cos., Inc., Class A | &nbsp;&nbsp;62204 | &nbsp;&nbsp;&nbsp;&nbsp;5806121 |
| &nbsp;&nbsp;&nbsp;The Kroger Co. | &nbsp;&nbsp;74052 | &nbsp;&nbsp;&nbsp;&nbsp;5191045 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total Consumer Staples |  | &nbsp;&nbsp;&nbsp;28610388 |
| &nbsp;&nbsp;&nbsp;**Energy - 1.8%** |  |  |
| &nbsp;&nbsp;&nbsp;Tidewater, Inc.<sup>\*</sup> | &nbsp;&nbsp;54058 | &nbsp;&nbsp;&nbsp;&nbsp;2703441 |
| &nbsp;&nbsp;&nbsp;Valaris, Ltd.<sup>\*</sup> | &nbsp;&nbsp;&nbsp;71830 | &nbsp;&nbsp;&nbsp;&nbsp;3493093 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total Energy |  | &nbsp;&nbsp;&nbsp;&nbsp;6196534 |
| &nbsp;&nbsp;&nbsp;**Financials - 14.8%** |  |  |
| &nbsp;&nbsp;&nbsp;Corpay, Inc.<sup>\*</sup> | &nbsp;&nbsp;20668 | &nbsp;&nbsp;&nbsp;&nbsp;6676798 |
| &nbsp;&nbsp;&nbsp;Fairfax Financial Holdings, Ltd. (Canada) | &nbsp;&nbsp;&nbsp;&nbsp;2954 | &nbsp;&nbsp;&nbsp;&nbsp;5241164 |
| &nbsp;&nbsp;&nbsp;First American Financial Corp. | &nbsp;&nbsp;95202 | &nbsp;&nbsp;&nbsp;&nbsp;5716880 |
| &nbsp;&nbsp;&nbsp;First Citizens BancShares, Inc., Class A | &nbsp;&nbsp;&nbsp;&nbsp;2953 | &nbsp;&nbsp;&nbsp;&nbsp;5890526 |
| &nbsp;&nbsp;&nbsp;TPG, Inc. | 129956 | &nbsp;&nbsp;&nbsp;&nbsp;7416589 |
| &nbsp;&nbsp;&nbsp;Voya Financial, Inc. | &nbsp;&nbsp;93305 | &nbsp;&nbsp;&nbsp;&nbsp;6531350 |
| &nbsp;&nbsp;&nbsp;Willis Towers Watson PLC (United Kingdom) | &nbsp;&nbsp;&nbsp;43691 | &nbsp;&nbsp;&nbsp;13798055 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total Financials |  | &nbsp;&nbsp;&nbsp;&nbsp;51271362 |
| &nbsp;&nbsp;&nbsp;**Health Care - 8.6%** |  |  |
| &nbsp;&nbsp;&nbsp;The Cooper Cos., Inc.<sup>\*</sup> | &nbsp;&nbsp;96699 | &nbsp;&nbsp;&nbsp;&nbsp;6835652 |
| &nbsp;&nbsp;&nbsp;GE HealthCare Technologies, Inc. | 169454 | &nbsp;&nbsp;&nbsp;12085459 |
| &nbsp;&nbsp;&nbsp;Labcorp Holdings, Inc. | &nbsp;&nbsp;25859 | &nbsp;&nbsp;&nbsp;&nbsp;6725409 |
| &nbsp;&nbsp;&nbsp;Smith & Nephew PLC, Sponsored ADR (United Kingdom)<sup>1</sup> | 136996 | &nbsp;&nbsp;&nbsp;&nbsp;4186598 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total Health Care |  | &nbsp;&nbsp;&nbsp;29833118 |

---

---

| | | |
|:---|:---|:---|
|  | Shares | &nbsp;&nbsp;Value |
| &nbsp;&nbsp;&nbsp;**Industrials - 33.2%** |  |  |
| &nbsp;&nbsp;&nbsp;AerCap Holdings, N.V. (Ireland) | &nbsp;&nbsp;&nbsp;&nbsp;46111 | &nbsp;&nbsp;&nbsp;$4945405 |
| &nbsp;&nbsp;&nbsp;Alamo Group, Inc. | &nbsp;&nbsp;&nbsp;24354 | &nbsp;&nbsp;&nbsp;&nbsp;5420713 |
| &nbsp;&nbsp;&nbsp;API Group Corp.<sup>\*</sup> | &nbsp;&nbsp;201759 | &nbsp;&nbsp;&nbsp;&nbsp;7277447 |
| &nbsp;&nbsp;&nbsp;Booz Allen Hamilton Holding Corp. | &nbsp;&nbsp;&nbsp;23408 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2512381 |
| &nbsp;&nbsp;&nbsp;CACI International, Inc., Class A<sup>\*</sup> | &nbsp;&nbsp;&nbsp;24437 | &nbsp;&nbsp;&nbsp;&nbsp;11254949 |
| &nbsp;&nbsp;&nbsp;Carlisle Cos., Inc. | &nbsp;&nbsp;&nbsp;27049 | &nbsp;&nbsp;&nbsp;&nbsp;9594551 |
| &nbsp;&nbsp;&nbsp;CNH Industrial, N.V. (United Kingdom) | 590934 | &nbsp;&nbsp;&nbsp;&nbsp;7658505 |
| &nbsp;&nbsp;&nbsp;Delta Air Lines, Inc. | &nbsp;&nbsp;154869 | &nbsp;&nbsp;&nbsp;&nbsp;8240579 |
| &nbsp;&nbsp;&nbsp;Expeditors International of Washington, Inc. | &nbsp;&nbsp;&nbsp;86641 | &nbsp;&nbsp;&nbsp;&nbsp;10071150 |
| &nbsp;&nbsp;&nbsp;Ferguson Enterprises, Inc. | &nbsp;&nbsp;&nbsp;&nbsp;31711 | &nbsp;&nbsp;&nbsp;&nbsp;7082017 |
| &nbsp;&nbsp;&nbsp;McGrath RentCorp | &nbsp;&nbsp;&nbsp;70349 | &nbsp;&nbsp;&nbsp;&nbsp;8778852 |
| &nbsp;&nbsp;&nbsp;Oshkosh Corp. | &nbsp;&nbsp;&nbsp;42804 | &nbsp;&nbsp;&nbsp;&nbsp;5415990 |
| &nbsp;&nbsp;&nbsp;Simpson Manufacturing Co., Inc. | &nbsp;&nbsp;&nbsp;&nbsp;2411 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;432606 |
| &nbsp;&nbsp;&nbsp;SS&C Technologies Holdings, Inc. | &nbsp;&nbsp;135821 | &nbsp;&nbsp;&nbsp;&nbsp;11609979 |
| &nbsp;&nbsp;&nbsp;UFP Industries, Inc. | &nbsp;&nbsp;&nbsp;50502 | &nbsp;&nbsp;&nbsp;&nbsp;4949196 |
| &nbsp;&nbsp;&nbsp;Valmont Industries, Inc. | &nbsp;&nbsp;&nbsp;25893 | &nbsp;&nbsp;&nbsp;&nbsp;9423757 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total Industrials |  | &nbsp;&nbsp;&nbsp;114668077 |
| &nbsp;&nbsp;&nbsp;**Materials - 4.5%** |  |  |
| &nbsp;&nbsp;&nbsp;Amrize, Ltd.<sup>\*</sup> | &nbsp;&nbsp;&nbsp;121126 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6191961 |
| &nbsp;&nbsp;&nbsp;Titan America, S.A. (Belgium) | &nbsp;&nbsp;387011 | &nbsp;&nbsp;&nbsp;&nbsp;5553608 |
| &nbsp;&nbsp;&nbsp;Warrior Met Coal, Inc. | &nbsp;&nbsp;&nbsp;&nbsp;77014 | &nbsp;&nbsp;&nbsp;&nbsp;3956979 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total Materials |  | &nbsp;&nbsp;&nbsp;15702548 |
| &nbsp;&nbsp;&nbsp;**Real Estate - 3.7%** |  |  |
| &nbsp;&nbsp;&nbsp;Mid-America Apartment Communities, Inc., REIT | &nbsp;&nbsp;&nbsp;54798 | &nbsp;&nbsp;&nbsp;&nbsp;7804879 |
| &nbsp;&nbsp;&nbsp;The St. Joe Co. | &nbsp;&nbsp;&nbsp;99230 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5011115 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total Real Estate |  | &nbsp;&nbsp;&nbsp;&nbsp;12815994 |
| &nbsp;&nbsp;&nbsp;**Utilities - 1.9%** |  |  |
| &nbsp;&nbsp;&nbsp;Talen Energy Corp.<sup>\*</sup> | &nbsp;&nbsp;&nbsp;16962 | &nbsp;&nbsp;&nbsp;&nbsp;6404342 |
| **Total Common Stocks<br> (Cost $297,152,841)** |  | &nbsp;&nbsp;333913844 |

---

---

| | | |
|:---|:---|:---|
|  | Principal<br> Amount |  |
| **Short-Term Investments - 4.6%** |  |  |
| &nbsp;&nbsp;&nbsp;**Joint Repurchase Agreements - 1.2%<sup>2</sup>** |  |  |
| &nbsp;&nbsp;&nbsp;Bank of America Securities, Inc., dated 07/31/25, due 08/01/25, 4.360% total to be received $18,002 (collateralized by a U.S. Treasury, 3.875%, 07/31/27, totaling $18,360) | &nbsp;&nbsp;&nbsp;$18000 | &nbsp;&nbsp;&nbsp;&nbsp;18000 |
| &nbsp;&nbsp;&nbsp;Citadel Securities LLC, dated 07/31/25, due 08/01/25, 4.430% total to be received $1,075,202 (collateralized by various U.S. Treasuries, 0.000% - 5.000%, 08/14/25 - 05/15/55, totaling $1,096,706) | 1075070 | &nbsp;&nbsp;1075070 |

---

------

AMG River Road Mid Cap Value Fund

Schedule of Portfolio Investments *(continued)*

---

| | | |
|:---|:---|:---|
|  | Principal<br> Amount | &nbsp;&nbsp;Value |
| &nbsp;&nbsp;&nbsp;**Joint Repurchase Agreements - 1.2%<sup>2</sup><br> (continued)** |  |  |
| &nbsp;&nbsp;&nbsp;Daiwa Capital Markets America, dated 07/31/25, due 08/01/25, 4.370% total to be received $1,010,689 (collateralized by various U.S. Government Agency Obligations and U.S. Treasuries, 0.000% - 7.500%, 08/21/25 - 07/20/65, totaling $1,030,777) | $1010566 | &nbsp;&nbsp;$1010566 |
| &nbsp;&nbsp;&nbsp;Daiwa Capital Markets America, dated 07/31/25, due 08/01/25, 4.360% total to be received $3,727 (collateralized by various U.S. Treasuries, 0.000% - 6.000%, 08/14/25 - 05/15/47, totaling $3,802) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3727 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3727 |
| &nbsp;&nbsp;&nbsp;HSBC Securities USA, Inc., dated 07/31/25, due 08/01/25, 4.370% total to be received $1,010,689 (collateralized by various U.S. Government Agency Obligations, 2.000% - 7.000%, 06/01/30 - 07/01/55, totaling $1,030,777) | &nbsp;&nbsp;&nbsp;1010566 | &nbsp;&nbsp;&nbsp;&nbsp;1010566 |
| &nbsp;&nbsp;&nbsp;HSBC Securities USA, Inc., dated 07/31/25, due 08/01/25, 4.360% total to be received $64,512 (collateralized by various U.S. Treasuries, 0.000% - 4.000%, 04/15/27 - 11/15/54, totaling $65,794) | &nbsp;&nbsp;&nbsp;&nbsp;64504 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;64504 |
| &nbsp;&nbsp;&nbsp;JPMorgan Securities LLC, dated 07/31/25, due 08/01/25, 4.360% total to be received $465,478 (collateralized by various U.S. Treasuries, 0.125% - 4.750%, 02/15/41 - 08/15/52, totaling $474,730) | &nbsp;&nbsp;&nbsp;&nbsp;465422 | &nbsp;&nbsp;&nbsp;&nbsp;465422 |

---

---

| | | |
|:---|:---|:---|
|  | Principal<br> Amount | &nbsp;&nbsp;Value |
| &nbsp;&nbsp;&nbsp;Mizuho Securities LLC, dated 07/31/25, due 08/01/25, 4.360% total to be received $17,454 (collateralized by various U.S. Treasuries, 0.375% - 4.250%, 06/30/27 - 06/30/31, totaling $17,801) | &nbsp;&nbsp;&nbsp;&nbsp;$17452 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$17452 |
| &nbsp;&nbsp;&nbsp;Natwest Markets Securities, Inc., dated 07/31/25, due 08/01/25, 4.360% total to be received $635,053 (collateralized by various U.S. Treasuries, 2.875% - 4.625%, 04/30/29 - 05/15/32, totaling $647,676) | &nbsp;&nbsp;&nbsp;634976 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;634976 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total Joint Repurchase Agreements |  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4300283 |
| &nbsp;&nbsp;&nbsp;**Repurchase Agreements - 3.4%** |  |  |
| &nbsp;&nbsp;&nbsp;Fixed Income Clearing Corp., dated 07/31/25, due 08/01/25, 4.100% total to be received $11,602,321 (collateralized by a U.S. Treasury Note, 3.375%, 09/15/27, totaling $11,833,030) | 11601000 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;11601000 |
| **Total Short-Term Investments<br> (Cost $15,901,283)** |  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;15901283 |
| **Total Investments - 101.3%<br> (Cost $313,054,124)** |  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 349815127 |
| **Other Assets, less Liabilities - (1.3)%** |  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (4622601) |
| **Net Assets - 100.0%** |  | &nbsp;&nbsp;**$345192526** |

---

------

<sup>\*</sup> Non-income producing security.

<sup>1</sup> Some of this security, amounting to $4,144,731 or 1.2% of net assets, was out on loan to various borrowers and is collateralized by cash. See below for more information.

<sup>2</sup> Cash collateral received for securities lending activity was invested in these joint repurchase agreements.

ADR American Depositary Receipt <br> REIT Real Estate Investment Trust

The following table summarizes the inputs used to value the Fund's investments by the fair value hierarchy levels as of July 31, 2025:

---

| | | | | |
|:---|:---|:---|:---|:---|
|  | &nbsp;&nbsp;**Level 1** | &nbsp;&nbsp;**Level 2** | &nbsp;&nbsp;**Level 3** | &nbsp;&nbsp;**Total** |
| &nbsp;&nbsp;**Investments in Securities** | &nbsp;&nbsp;**Investments in Securities** | &nbsp;&nbsp;**Investments in Securities** | &nbsp;&nbsp;**Investments in Securities** | &nbsp;&nbsp;**Investments in Securities** |
| &nbsp;&nbsp;&nbsp;**Common Stocks<sup>†</sup>** | &nbsp;&nbsp; $333913844 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; — | &nbsp;&nbsp; — | &nbsp;&nbsp; $333913844 |
| &nbsp;&nbsp;&nbsp;**Short-Term Investments** | &nbsp;&nbsp;&nbsp;**Short-Term Investments** | &nbsp;&nbsp;&nbsp;**Short-Term Investments** | &nbsp;&nbsp;&nbsp;**Short-Term Investments** | &nbsp;&nbsp;&nbsp;**Short-Term Investments** |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Joint Repurchase Agreements | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; — | &nbsp;&nbsp;&nbsp; $4300283 | &nbsp;&nbsp; — | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 4300283 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Repurchase Agreements | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; — | &nbsp;&nbsp;&nbsp;&nbsp; 11601000 | &nbsp;&nbsp; — | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 11601000 |
| &nbsp;&nbsp;**Total Investments in Securities** | &nbsp;&nbsp;$333913844 | &nbsp;&nbsp;$15901283 | &nbsp;&nbsp;— | &nbsp;&nbsp;&nbsp;$349815127 |

---

<br> <sup>†</sup> All common stocks held in the Fund are Level 1 securities. For a detailed breakout of common stocks by major industry classification, please refer to the Fund's Schedule of Portfolio Investments.

For the period ended July 31, 2025, there were no transfers in or out of Level 3.

------

AMG River Road Mid Cap Value Fund

Schedule of Portfolio Investments *(continued)*

The Fund participates in the securities lending program offered by The Bank of New York Mellon providing for the lending of securities to qualified brokers. The value of securities loaned on positions held, cash collateral and securities collateral received at July 31, 2025, were as follows:

---

| | | | |
|:---|:---|:---|:---|
| **Securities<br> Loaned** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Cash<br> Collateral<br> Received** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Securities<br> Collateral<br> Received** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total<br> Collateral<br> Received** |
| $4144731 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; $4300283 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; — | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; $4300283 |

---

For additional information about significant accounting policies, including valuation of investments, refer to the Fund's most recent semi or annual report.

------

## Form NPORT-P: Monthly Portfolio Investments Report

### NPORT-P: Part A: General Information

**Item A.1. Information about the Registrant.**

- **a. Name of Registrant:** AMG Funds IV

- **b. Investment Company Act file number:** 811-08004

- **c. CIK number of Registrant:** 0000912036

- **d. LEI of Registrant:** 549300GH0NIEG9OLBH26

- **e. Address and telephone number of Registrant.**

  - **Street Address 1:** 680 Washington Blvd.

  - **City:** Stamford

  - **State:** CT

  - **Foreign country:** US

  - **Zip / Postal Code:** 06901

  - **Telephone number:** 800-548-4539

**Item A.2. Information about the Series.**

- **a. Name of Series:** AMG River Road Mid Cap Value Fund

- **b. EDGAR series identifier (if any):** S000001125

- **c. LEI of Series:** 549300GHNN6YEXTT7T28

**Item A.3. Reporting period.**

- **a. Date of fiscal year-end:** 2025-10-31

- **b. Date as of which information is reported:** 2025-07-31

**Item A.4. Final filing**

Does the Fund anticipate that this will be its final filing on Form N-PORT? **No**

### Fund Information

**Total Assets:** $350249207.06

**Total Liabilities:** $4661828.37

**Net Assets:** $345587378.69

**Cash Not Reported:** $142458.76

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000003029 | 4.75%                | 3.40%                | 1.34%                |
| Class ID C000003030 | 4.78%                | 3.43%                | 1.35%                |
| Class ID C000194566 | 4.77%                | 3.46%                | 1.36%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $5649194.98              | $9107966.17                                |
| Month 2  | $-1674981.13             | $13110881.78                               |
| Month 3  | $6542832.84              | $-1797352.82                               |

### Schedule of Portfolio Investments

| Name                               | Title                                      | Identifiers                                   | Payoff Profile   | Asset Category   | Issuer Category   | Country   |   Balance | Units   | Value (USD)   | % of Net Assets   | Maturity Date   | Coupon Type   | Annualized Rate (%)   | Restricted?   |   Fair Value Level | Lending Status   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| HSBC SECURITIES (USA) INC.         | HSBC SECURITIES (USA) INC                  | CUSIP: 000000000<br>LEI: CYYGQCGNHMHPSMRL3R97 | Long             | RA               | CORP              | US        |   1010566 | PA      | $1010566.00   | 0.29%             |  |  |  | No            |                  2 | On Loan: No      |
| Casey's General Stores Inc         | Casey's General Stores Inc                 | CUSIP: 147528103<br>LEI: 549300CAFWSI86V66Q65 | Long             | EC               | CORP              | US        |      6643 | NS      | $3455223.59   | 1.00%             |  |  |  | No            |                  1 | On Loan: No      |
| Ferguson Enterprises Inc           | Ferguson Enterprises Inc                   | CUSIP: 31488V107<br>LEI: 2138003JYQMRP3SLX189 | Long             | EC               | CORP              | US        |     31711 | NS      | $7082017.63   | 2.05%             |  |  |  | No            |                  1 | On Loan: No      |
| Expedia Group Inc                  | Expedia Group Inc                          | CUSIP: 30212P303<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     39988 | NS      | $7206637.36   | 2.09%             |  |  |  | No            |                  1 | On Loan: No      |
| Valmont Industries Inc             | Valmont Industries Inc                     | CUSIP: 920253101<br>LEI: 5493009ZGZJJ8F77JN08 | Long             | EC               | CORP              | US        |     25893 | NS      | $9423757.35   | 2.73%             |  |  |  | No            |                  1 | On Loan: No      |
| Delta Air Lines Inc                | Delta Air Lines Inc                        | CUSIP: 247361702<br>LEI: Q2CCMS6R0AS67HJMBN42 | Long             | EC               | CORP              | US        |    154869 | NS      | $8240579.49   | 2.38%             |  |  |  | No            |                  1 | On Loan: No      |
| Murphy USA Inc                     | Murphy USA Inc                             | CUSIP: 626755102<br>LEI: 549300Y081F8XIKQIO72 | Long             | EC               | CORP              | US        |     22210 | NS      | $8050680.80   | 2.33%             |  |  |  | No            |                  1 | On Loan: No      |
| Talen Energy Corp                  | Talen Energy Corp                          | CUSIP: 87422Q109<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     16962 | NS      | $6404342.34   | 1.85%             |  |  |  | No            |                  1 | On Loan: No      |
| API Group Corp                     | API Group Corp                             | CUSIP: 00187Y100<br>LEI: 213800NZT1VX6PZ7BT53 | Long             | EC               | CORP              | US        |    201759 | NS      | $7277447.13   | 2.11%             |  |  |  | No            |                  1 | On Loan: No      |
| TPG Inc                            | TPG Inc                                    | CUSIP: 872657101<br>LEI: 549300NLO4R8MX77XJ02 | Long             | EC               | CORP              | US        |    129956 | NS      | $7416588.92   | 2.15%             |  |  |  | No            |                  1 | On Loan: No      |
| Atlanta Braves Holdings Inc        | Atlanta Braves Holdings Inc                | CUSIP: 047726302<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    116261 | NS      | $5180590.16   | 1.50%             |  |  |  | No            |                  1 | On Loan: No      |
| CITADEL SECURITIES LLC             | CITADEL SECURITIES LLC                     | CUSIP: 000000000<br>LEI: 12UUJYTN7D3SW8KCSG25 | Long             | RA               | CORP              | US        |   1075070 | PA      | $1075070.00   | 0.31%             |  |  |  | No            |                  2 | On Loan: No      |
| Valaris Ltd                        | Valaris Ltd                                | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     71830 | NS      | $3493092.90   | 1.01%             |  |  |  | No            |                  1 | On Loan: No      |
| DAIWA CAPITAL MARKETS AMERICA INC. | DAIWA CAPITAL MARKETS AMERICA INC          | CUSIP: 000000000<br>LEI: M67H5PRC0NQKM73ZAS82 | Long             | RA               | CORP              | US        |      3727 | PA      | $3727.00      | 0.00%             |  |  |  | No            |                  2 | On Loan: No      |
| Lithia Motors Inc                  | Lithia Motors Inc                          | CUSIP: 536797103<br>LEI: SE8N1EZEHPZQBCBVKD53 | Long             | EC               | CORP              | US        |     37766 | NS      | $10876608.00  | 3.15%             |  |  |  | No            |                  1 | On Loan: No      |
| Titan America SA                   | Titan America SA                           | CUSIP: 000000000<br>LEI: 9845007APCB6462D6C46 | Long             | EC               | CORP              | BE        |    387011 | NS      | $5553607.85   | 1.61%             |  |  |  | No            |                  1 | On Loan: No      |
| Voya Financial Inc                 | Voya Financial Inc                         | CUSIP: 929089100<br>LEI: 549300T065Z4KJ686G75 | Long             | EC               | CORP              | US        |     93305 | NS      | $6531350.00   | 1.89%             |  |  |  | No            |                  1 | On Loan: No      |
| Expeditors International of Wa     | Expeditors International of Washington Inc | CUSIP: 302130109<br>LEI: 984500B055A804AB6E40 | Long             | EC               | CORP              | US        |     86641 | NS      | $10071149.84  | 2.91%             |  |  |  | No            |                  1 | On Loan: No      |
| Smith & Nephew PLC                 | Smith & Nephew PLC                         | CUSIP: 83175M205<br>LEI: 213800ZTMDN8S67S1H61 | Long             | EC               | CORP              | GB        |    136996 | NS      | $4186597.76   | 1.21%             |  |  |  | No            |                  1 | On Loan: —       |
| Warner Music Group Corp            | Warner Music Group Corp                    | CUSIP: 934550203<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    219934 | NS      | $6435268.84   | 1.86%             |  |  |  | No            |                  1 | On Loan: No      |
| Oshkosh Corp                       | Oshkosh Corp                               | CUSIP: 688239201<br>LEI: 549300FEKNPCFSA2B506 | Long             | EC               | CORP              | US        |     42804 | NS      | $5415990.12   | 1.57%             |  |  |  | No            |                  1 | On Loan: No      |
| First American Financial Corp      | First American Financial Corp              | CUSIP: 31847R102<br>LEI: 549300B6VEZK3N0A1P55 | Long             | EC               | CORP              | US        |     95202 | NS      | $5716880.10   | 1.65%             |  |  |  | No            |                  1 | On Loan: No      |
| First Citizens BancShares Inc/     | First Citizens BancShares Inc/NC           | CUSIP: 31946M103<br>LEI: 549300N3Z00ZHE2XC526 | Long             | EC               | CORP              | US        |      2953 | NS      | $5890526.28   | 1.70%             |  |  |  | No            |                  1 | On Loan: No      |
| BJ's Wholesale Club Holdings I     | BJ's Wholesale Club Holdings Inc           | CUSIP: 05550J101<br>LEI: 549300UCIWH1C93V0J03 | Long             | EC               | CORP              | US        |     84801 | NS      | $8980425.90   | 2.60%             |  |  |  | No            |                  1 | On Loan: No      |
| St Joe Co/The                      | St Joe Co/The                              | CUSIP: 790148100<br>LEI: 529900XVHOT3BF8PWG49 | Long             | EC               | CORP              | US        |     99230 | NS      | $5011115.00   | 1.45%             |  |  |  | No            |                  1 | On Loan: No      |
| Constellation Brands Inc           | Constellation Brands Inc                   | CUSIP: 21036P108<br>LEI: 5493005GKEG8QCVY7037 | Long             | EC               | CORP              | US        |     30996 | NS      | $5177571.84   | 1.50%             |  |  |  | No            |                  1 | On Loan: No      |
| Warrior Met Coal Inc               | Warrior Met Coal Inc                       | CUSIP: 93627C101<br>LEI: 549300152B1S9YKBYV79 | Long             | EC               | CORP              | US        |     77014 | NS      | $3956979.32   | 1.15%             |  |  |  | No            |                  1 | On Loan: No      |
| Fairfax Financial Holdings Ltd     | Fairfax Financial Holdings Ltd             | CUSIP: 303901102<br>LEI: GLS7OQD0WOEDI8YAP031 | Long             | EC               | CORP              | CA        |      2954 | NS      | $5241164.04   | 1.52%             |  |  |  | No            |                  1 | On Loan: No      |
| GE HealthCare Technologies Inc     | GE HealthCare Technologies Inc             | CUSIP: 36266G107<br>LEI: 549300OI9J7XOWZMUN85 | Long             | EC               | CORP              | US        |    169454 | NS      | $12085459.28  | 3.50%             |  |  |  | No            |                  1 | On Loan: No      |
| HSBC SECURITIES (USA) INC.         | HSBC SECURITIES (USA) INC                  | CUSIP: 000000000<br>LEI: CYYGQCGNHMHPSMRL3R97 | Long             | RA               | CORP              | US        |     64504 | PA      | $64504.00     | 0.02%             |  |  |  | No            |                  2 | On Loan: No      |
| FIXED INCOME CLEARING CORPORATION  | FICC                                       | CUSIP: 000000000<br>LEI: 549300H47WTHXPU08X20 | Long             | RA               | CORP              | US        |  11601000 | PA      | $11601000.00  | 3.36%             |  |  |  | No            |                  2 | On Loan: No      |
| J.P. MORGAN SECURITIES LLC         | JP MORGAN SECURITIES LLC                   | CUSIP: 000000000<br>LEI: ZBUT11V806EZRVTWT807 | Long             | RA               | CORP              | US        |    465422 | PA      | $465422.00    | 0.13%             |  |  |  | No            |                  2 | On Loan: No      |
| Restaurant Brands Internationa     | Restaurant Brands International Inc        | CUSIP: 76131D103<br>LEI: 5299009RXTX9DN9AKJ98 | Long             | EC               | CORP              | CA        |    121130 | NS      | $8219881.80   | 2.38%             |  |  |  | No            |                  1 | On Loan: No      |
| Amrize Ltd                         | Amrize Ltd                                 | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    121126 | NS      | $6191961.12   | 1.79%             |  |  |  | No            |                  1 | On Loan: No      |
| MIZUHO SECURITIES USA LLC          | MIZUHO SECURITIES USA LLC                  | CUSIP: 000000000<br>LEI: 7TK5RJIZDFROZCA6XF66 | Long             | RA               | CORP              | US        |     17452 | PA      | $17452.00     | 0.01%             |  |  |  | No            |                  2 | On Loan: No      |
| Estee Lauder Cos Inc/The           | Estee Lauder Cos Inc/The                   | CUSIP: 518439104<br>LEI: 549300VFZ8XJ9NUPU221 | Long             | EC               | CORP              | US        |     62204 | NS      | $5806121.36   | 1.68%             |  |  |  | No            |                  1 | On Loan: No      |
| Carnival Corp                      | Carnival Corp                              | CUSIP: 143658300<br>LEI: F1OF2ZSX47CR0BCWA982 | Long             | EC               | CORP              | US        |    190313 | NS      | $5665618.01   | 1.64%             |  |  |  | No            |                  1 | On Loan: No      |
| Lululemon Athletica Inc            | Lululemon Athletica Inc                    | CUSIP: 550021109<br>LEI: 549300D9GZ4BMLDW5T40 | Long             | EC               | CORP              | CA        |     25876 | NS      | $5188914.28   | 1.50%             |  |  |  | No            |                  1 | On Loan: No      |
| Booz Allen Hamilton Holding Co     | Booz Allen Hamilton Holding Corp           | CUSIP: 099502106<br>LEI: 529900JPV47PIUWMA015 | Long             | EC               | CORP              | US        |     23408 | NS      | $2512380.64   | 0.73%             |  |  |  | No            |                  1 | On Loan: No      |
| SharkNinja Inc                     | SharkNinja Inc                             | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     42035 | NS      | $4880263.50   | 1.41%             |  |  |  | No            |                  1 | On Loan: No      |
| BOFA SECURITIES, INC.              | BOFA SECURITIES INC                        | CUSIP: 000000000<br>LEI: 549300HN4UKV1E2R3U73 | Long             | RA               | CORP              | US        |     18000 | PA      | $18000.00     | 0.01%             |  |  |  | No            |                  2 | On Loan: No      |
| SS&C Technologies Holdings Inc     | SS&C Technologies Holdings Inc             | CUSIP: 78467J100<br>LEI: 529900POY8H7NPPNKK71 | Long             | EC               | CORP              | US        |    135821 | NS      | $11609979.08  | 3.36%             |  |  |  | No            |                  1 | On Loan: No      |
| CACI International Inc             | CACI International Inc                     | CUSIP: 127190304<br>LEI: SYRPI2D1O9WRTS2WX210 | Long             | EC               | CORP              | US        |     24437 | NS      | $11254949.09  | 3.26%             |  |  |  | No            |                  1 | On Loan: No      |
| Simpson Manufacturing Co Inc       | Simpson Manufacturing Co Inc               | CUSIP: 829073105<br>LEI: 529900EJUNNL15LZ8056 | Long             | EC               | CORP              | US        |      2411 | NS      | $432605.73    | 0.13%             |  |  |  | No            |                  1 | On Loan: No      |
| CNH Industrial NV                  | CNH Industrial NV                          | CUSIP: 000000000<br>LEI: 549300WGC2HZ5J67V817 | Long             | EC               | CORP              | GB        |    590934 | NS      | $7658504.64   | 2.22%             |  |  |  | No            |                  1 | On Loan: No      |
| Willis Towers Watson PLC           | Willis Towers Watson PLC                   | CUSIP: 000000000<br>LEI: 549300WHC56FF48KL350 | Long             | EC               | CORP              | GB        |     43691 | NS      | $13798054.71  | 3.99%             |  |  |  | No            |                  1 | On Loan: No      |
| Labcorp Holdings Inc               | Labcorp Holdings Inc                       | CUSIP: 504922105<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     25859 | NS      | $6725408.72   | 1.95%             |  |  |  | No            |                  1 | On Loan: No      |
| Kroger Co/The                      | Kroger Co/The                              | CUSIP: 501044101<br>LEI: 6CPEOKI6OYJ13Q6O7870 | Long             | EC               | CORP              | US        |     74052 | NS      | $5191045.20   | 1.50%             |  |  |  | No            |                  1 | On Loan: No      |
| AerCap Holdings NV                 | AerCap Holdings NV                         | CUSIP: 000000000<br>LEI: 549300SZYINBBLJQU475 | Long             | EC               | CORP              | IE        |     46111 | NS      | $4945404.75   | 1.43%             |  |  |  | No            |                  1 | On Loan: No      |
| McGrath RentCorp                   | McGrath RentCorp                           | CUSIP: 580589109<br>LEI: 254900EUH6IPWFQ83445 | Long             | EC               | CORP              | US        |     70349 | NS      | $8778851.71   | 2.54%             |  |  |  | No            |                  1 | On Loan: No      |
| Alamo Group Inc                    | Alamo Group Inc                            | CUSIP: 011311107<br>LEI: 54930080C93RVZRSDV26 | Long             | EC               | CORP              | US        |     24354 | NS      | $5420713.32   | 1.57%             |  |  |  | No            |                  1 | On Loan: No      |
| Mid-America Apartment Communit     | Mid-America Apartment Communities Inc      | CUSIP: 59522J103<br>LEI: 549300FQZKFR5YNSHZ21 | Long             | EC               | CORP              | US        |     54798 | NS      | $7804879.14   | 2.26%             |  |  |  | No            |                  1 | On Loan: No      |
| UFP Industries Inc                 | UFP Industries Inc                         | CUSIP: 90278Q108<br>LEI: 5493007KB485C9OV5572 | Long             | EC               | CORP              | US        |     50502 | NS      | $4949196.00   | 1.43%             |  |  |  | No            |                  1 | On Loan: No      |
| DAIWA CAPITAL MARKETS AMERICA INC. | DAIWA CAPITAL MARKETS AMERICA INC          | CUSIP: 000000000<br>LEI: M67H5PRC0NQKM73ZAS82 | Long             | RA               | CORP              | US        |   1010566 | PA      | $1010566.00   | 0.29%             |  |  |  | No            |                  2 | On Loan: No      |
| Carlisle Cos Inc                   | Carlisle Cos Inc                           | CUSIP: 142339100<br>LEI: XR64VGX1ZPX6G7ZN7Z11 | Long             | EC               | CORP              | US        |     27049 | NS      | $9594550.79   | 2.78%             |  |  |  | No            |                  1 | On Loan: No      |
| Corpay Inc                         | Corpay Inc                                 | CUSIP: 219948106<br>LEI: 549300DG6RR0NQSFLN74 | Long             | EC               | CORP              | US        |     20668 | NS      | $6676797.40   | 1.93%             |  |  |  | No            |                  1 | On Loan: No      |
| Lennar Corp                        | Lennar Corp                                | CUSIP: 526057104<br>LEI: 529900G61XVRLX5TJX09 | Long             | EC               | CORP              | US        |     59788 | NS      | $6707017.84   | 1.94%             |  |  |  | No            |                  1 | On Loan: No      |
| NATWEST MARKETS SECURITIES INC.    | NATWEST MARKETS SECURITIES INC             | CUSIP: 000000000<br>LEI: ZE2ZWJ5BTIQJ8M0C6K34 | Long             | RA               | CORP              | US        |    634976 | PA      | $634976.00    | 0.18%             |  |  |  | No            |                  2 | On Loan: No      |
| Tidewater Inc                      | Tidewater Inc                              | CUSIP: 88642R109<br>LEI: 2549000JA5GRUPLMUH98 | Long             | EC               | CORP              | US        |     54058 | NS      | $2703440.58   | 0.78%             |  |  |  | No            |                  1 | On Loan: No      |
| Cooper Cos Inc/The                 | Cooper Cos Inc/The                         | CUSIP: 216648501<br>LEI: QJKMVPIGLH7530PCUE20 | Long             | EC               | CORP              | US        |     96699 | NS      | $6835652.31   | 1.98%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2025-09-29

**Name of Applicant:** AMG Funds IV

**Signature:** Thomas Disbrow

**Name of Signer:** Thomas Disbrow

**Title:** Principal Financial Officer