# EDGAR Filing Document

**Accession Number:** 0001047112
**File Stem:** 0001193125-25-300378
**Filing Date:** 2025-11
**Character Count:** 17184
**Document Hash:** c2cd9a05d03087767e0b4aebeb2ac172
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-300378.hdr.sgml**: 20251126

**ACCESSION NUMBER**: 0001193125-25-300378

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250930

**FILED AS OF DATE**: 20251126

**DATE AS OF CHANGE**: 20251126

**PERIOD START**: 20250930

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MARSICO INVESTMENT FUND
- **CENTRAL INDEX KEY:** 0001047112

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0930

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-08397
- **FILM NUMBER:** 251529750

**BUSINESS ADDRESS:**
- **STREET 1:** 1200 17TH ST
- **STREET 2:** STE 1700
- **CITY:** DENVER
- **STATE:** CO
- **ZIP:** 80202
- **BUSINESS PHONE:** 3034545600

**MAIL ADDRESS:**
- **STREET 1:** 1200 17TH STREET SUITE 1700
- **CITY:** DENVER
- **STATE:** CO
- **ZIP:** 80202

## Series and Classes Contracts Data

### MARSICO MIDCAP GROWTH FOCUS FUND (Series ID: S000007712)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000020962 | INVESTOR CLASS      | MXXIX           |
| C000232238 | INSTITUTIONAL CLASS | MIDFX           |

## Form NPORT-P: Monthly Portfolio Investments Report

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

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

- **a. Name of Registrant:** MARSICO INVESTMENT FUND

- **b. Investment Company Act file number:** 811-08397

- **c. CIK number of Registrant:** 0001047112

- **d. LEI of Registrant:** 549300LEFMW3ORSVK602

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

  - **Street Address 1:** 1200 17TH STREET, SUITE 1700

  - **City:** DENVER

  - **State:** CO

  - **Foreign country:** US

  - **Zip / Postal Code:** 80202

  - **Telephone number:** 3034545600

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

- **a. Name of Series:** Marsico Midcap Growth Focus Fund

- **b. EDGAR series identifier (if any):** S000007712

- **c. LEI of Series:** 549300YYVCT2SD1WXR25

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

- **a. Date of fiscal year-end:** 2025-09-30

- **b. Date as of which information is reported:** 2025-09-30

**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:** $609046626.70

**Total Liabilities:** $1529769.42

**Net Assets:** $607516857.28

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000020962 | 2.30%                | -0.13%               | 4.13%                |
| Class ID C000232238 | 2.33%                | -0.10%               | 4.14%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $24422159.81             | $-12020773.05                              |
| Month 2  | $-1836946.55             | $1334209.16                                |
| Month 3  | $7054642.34              | $17036839.28                               |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| STATE STR INSTL INVT TR TREAS MMKT FD INST              | STATE STR INSTL INVT TR TREAS MMKT FD INST              | CUSIP: 857492888<br>LEI: 549300Q3FHSMZ70NLT76 | Long             | STIV             | RF                | US        |  84272631 | NS      | $84272631.16  | 13.87%            |  |  |  | No            |                  1 | On Loan: No      |
| AAR CORP COMMON STOCK USD1.0                            | AAR CORP COMMON STOCK USD1.0                            | CUSIP: 000361105<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    148296 | NS      | $13297702.32  | 2.19%             |  |  |  | No            |                  1 | On Loan: No      |
| ACUSHNET HOLDINGS CORP COMMON STOCK USD.001             | ACUSHNET HOLDINGS CORP COMMON STOCK USD.001             | CUSIP: 005098108<br>LEI: 529900W5FI106H543E43 | Long             | EC               | CORP              | US        |    100319 | NS      | $7874038.31   | 1.30%             |  |  |  | No            |                  1 | On Loan: No      |
| ALIGNMENT HEALTHCARE INC COMMON STOCK USD.001           | ALIGNMENT HEALTHCARE INC COMMON STOCK USD.001           | CUSIP: 01625V104<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    713341 | NS      | $12447800.45  | 2.05%             |  |  |  | No            |                  1 | On Loan: No      |
| AMETEK INC COMMON STOCK USD.01                          | AMETEK INC COMMON STOCK USD.01                          | CUSIP: 031100100<br>LEI: 549300WZDEF9KKE40E98 | Long             | EC               | CORP              | US        |     48635 | NS      | $9143380.00   | 1.51%             |  |  |  | No            |                  1 | On Loan: No      |
| AMPHENOL CORP CL A COMMON STOCK USD.001                 | AMPHENOL CORP CL A COMMON STOCK USD.001                 | CUSIP: 032095101<br>LEI: 549300D3L3G0R4U4VT04 | Long             | EC               | CORP              | US        |    159678 | NS      | $19760152.50  | 3.25%             |  |  |  | No            |                  1 | On Loan: No      |
| CBRE GROUP INC   A COMMON STOCK USD.01                  | CBRE GROUP INC   A COMMON STOCK USD.01                  | CUSIP: 12504L109<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    103825 | NS      | $16358667.00  | 2.69%             |  |  |  | No            |                  1 | On Loan: No      |
| CELSIUS HOLDINGS INC COMMON STOCK USD.001               | CELSIUS HOLDINGS INC COMMON STOCK USD.001               | CUSIP: 15118V207<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    160078 | NS      | $9202884.22   | 1.51%             |  |  |  | No            |                  1 | On Loan: No      |
| CENTRUS ENERGY CORP CLASS A COMMON STOCK USD.1          | CENTRUS ENERGY CORP CLASS A COMMON STOCK USD.1          | CUSIP: 15643U104<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     40327 | NS      | $12504192.89  | 2.06%             |  |  |  | No            |                  1 | On Loan: No      |
| CINTAS CORP COMMON STOCK                                | CINTAS CORP COMMON STOCK                                | CUSIP: 172908105<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     79932 | NS      | $16406842.32  | 2.70%             |  |  |  | No            |                  1 | On Loan: No      |
| CLEAR SECURE INC  CLASS A COMMON STOCK USD.00001        | CLEAR SECURE INC  CLASS A COMMON STOCK USD.00001        | CUSIP: 18467V109<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    324241 | NS      | $10823164.58  | 1.78%             |  |  |  | No            |                  1 | On Loan: No      |
| CONSTELLATION SOFTWARE INC COMMON STOCK                 | CONSTELLATION SOFTWARE INC COMMON STOCK                 | CUSIP: 21037X100<br>LEI: 549300B6PYHMCTDWQV29 | Long             | EC               | CORP              | CA        |      5185 | NS      | $14075466.19  | 2.32%             |  |  |  | No            |                  1 | On Loan: No      |
| CONSTELLATION SOFTWARE INC CONSTELLATION SOFTWARE IN 28 | CONSTELLATION SOFTWARE INC CONSTELLATION SOFTWARE IN 28 | CUSIP: 21037X134<br>LEI: 549300B6PYHMCTDWQV29 | N/A              | DE               | CORP              | CA        |      5185 | NS      | $0.37         | 0.00%             |  |  |  | Yes           |                  3 | On Loan: No      |
| EVERCORE INC   A COMMON STOCK USD.01                    | EVERCORE INC   A COMMON STOCK USD.01                    | CUSIP: 29977A105<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     50839 | NS      | $17149011.48  | 2.82%             |  |  |  | No            |                  1 | On Loan: No      |
| GE VERNOVA INC COMMON STOCK USD.01                      | GE VERNOVA INC COMMON STOCK USD.01                      | CUSIP: 36828A101<br>LEI: 254900DP080RU6OK2553 | Long             | EC               | CORP              | US        |     48396 | NS      | $29758700.40  | 4.90%             |  |  |  | No            |                  1 | On Loan: No      |
| HEICO CORP COMMON STOCK USD.01                          | HEICO CORP COMMON STOCK USD.01                          | CUSIP: 422806109<br>LEI: 529900O1DTDLCJ7L0I14 | Long             | EC               | CORP              | US        |     48506 | NS      | $15658706.92  | 2.58%             |  |  |  | No            |                  1 | On Loan: No      |
| KLA CORP COMMON STOCK USD.001                           | KLA CORP COMMON STOCK USD.001                           | CUSIP: 482480100<br>LEI: 549300H0BF5JCG96TJ81 | Long             | EC               | CORP              | US        |     21400 | NS      | $23082040.00  | 3.80%             |  |  |  | No            |                  1 | On Loan: No      |
| LYFT INC A COMMON STOCK USD.00001                       | LYFT INC A COMMON STOCK USD.00001                       | CUSIP: 55087P104<br>LEI: 549300H7I5VN334XVZ52 | Long             | EC               | CORP              | US        |    296849 | NS      | $6533646.49   | 1.08%             |  |  |  | No            |                  1 | On Loan: No      |
| MACOM TECHNOLOGY SOLUTIONS H COMMON STOCK USD.001       | MACOM TECHNOLOGY SOLUTIONS H COMMON STOCK USD.001       | CUSIP: 55405Y100<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     43726 | NS      | $5443449.74   | 0.90%             |  |  |  | No            |                  1 | On Loan: No      |
| O REILLY AUTOMOTIVE INC COMMON STOCK USD.01             | O REILLY AUTOMOTIVE INC COMMON STOCK USD.01             | CUSIP: 67103H107<br>LEI: 549300K2RLMQL149Q332 | Long             | EC               | CORP              | US        |    136140 | NS      | $14677253.40  | 2.42%             |  |  |  | No            |                  1 | On Loan: No      |
| ROBINHOOD MARKETS INC   A COMMON STOCK USD.0001         | ROBINHOOD MARKETS INC   A COMMON STOCK USD.0001         | CUSIP: 770700102<br>LEI: 213800FS5AO3YWIE6F63 | Long             | EC               | CORP              | US        |    195754 | NS      | $28028057.72  | 4.61%             |  |  |  | No            |                  1 | On Loan: No      |
| ROBLOX CORP  CLASS A COMMON STOCK USD.0001              | ROBLOX CORP  CLASS A COMMON STOCK USD.0001              | CUSIP: 771049103<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    188150 | NS      | $26062538.00  | 4.29%             |  |  |  | No            |                  1 | On Loan: No      |
| RYAN SPECIALTY HOLDINGS INC COMMON STOCK USD.001        | RYAN SPECIALTY HOLDINGS INC COMMON STOCK USD.001        | CUSIP: 78351F107<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    112424 | NS      | $6336216.64   | 1.04%             |  |  |  | No            |                  1 | On Loan: No      |
| TKO GROUP HOLDINGS INC COMMON STOCK USD.00001           | TKO GROUP HOLDINGS INC COMMON STOCK USD.00001           | CUSIP: 87256C101<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     99947 | NS      | $20185296.12  | 3.32%             |  |  |  | No            |                  1 | On Loan: No      |
| TAKE TWO INTERACTIVE SOFTWRE COMMON STOCK USD.01        | TAKE TWO INTERACTIVE SOFTWRE COMMON STOCK USD.01        | CUSIP: 874054109<br>LEI: BOMSTHHJK882EWYX3334 | Long             | EC               | CORP              | US        |     29582 | NS      | $7642805.52   | 1.26%             |  |  |  | No            |                  1 | On Loan: No      |
| UNITED AIRLINES HOLDINGS INC COMMON STOCK USD.01        | UNITED AIRLINES HOLDINGS INC COMMON STOCK USD.01        | CUSIP: 910047109<br>LEI: 98450079DA0B78DD6764 | Long             | EC               | CORP              | US        |    172692 | NS      | $16664778.00  | 2.74%             |  |  |  | No            |                  1 | On Loan: No      |
| UNITED RENTALS INC COMMON STOCK USD.01                  | UNITED RENTALS INC COMMON STOCK USD.01                  | CUSIP: 911363109<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      9690 | NS      | $9250655.40   | 1.52%             |  |  |  | No            |                  1 | On Loan: No      |
| UNITY SOFTWARE INC COMMON STOCK USD.000005              | UNITY SOFTWARE INC COMMON STOCK USD.000005              | CUSIP: 91332U101<br>LEI: 549300D1ESJMGNQNG432 | Long             | EC               | CORP              | US        |    462332 | NS      | $18511773.28  | 3.05%             |  |  |  | No            |                  1 | On Loan: No      |
| VSE CORP COMMON STOCK USD.05                            | VSE CORP COMMON STOCK USD.05                            | CUSIP: 918284100<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    105721 | NS      | $17575059.04  | 2.89%             |  |  |  | No            |                  1 | On Loan: No      |
| WATSCO INC COMMON STOCK USD.5                           | WATSCO INC COMMON STOCK USD.5                           | CUSIP: 942622200<br>LEI: 549300F1Y3LN5BX5WN75 | Long             | EC               | CORP              | US        |     14415 | NS      | $5827984.50   | 0.96%             |  |  |  | No            |                  1 | On Loan: No      |
| SIEMENS ENERGY AG COMMON STOCK                          | SIEMENS ENERGY AG COMMON STOCK                          | CUSIP: D6T47E106<br>LEI: 5299005CHJZ14D4FDJ62 | Long             | EC               | CORP              | DE        |    194025 | NS      | $22647396.78  | 3.73%             |  |  |  | No            |                  1 | On Loan: No      |
| ROLLS ROYCE HOLDINGS PLC COMMON STOCK GBP.2             | ROLLS ROYCE HOLDINGS PLC COMMON STOCK GBP.2             | CUSIP: G76225104<br>LEI: 213800EC7997ZBLZJH69 | Long             | EC               | CORP              | GB        |   1326176 | NS      | $21224523.43  | 3.49%             |  |  |  | No            |                  1 | On Loan: No      |
| COCA COLA EUROPACIFIC PARTNE COMMON STOCK EUR.01        | COCA COLA EUROPACIFIC PARTNE COMMON STOCK EUR.01        | CUSIP: G25839104<br>LEI: 549300LTH67W4GWMRF57 | Long             | EC               | CORP              | GB        |    119262 | NS      | $10782477.42  | 1.77%             |  |  |  | No            |                  1 | On Loan: No      |
| VIKING HOLDINGS LTD COMMON STOCK USD.01                 | VIKING HOLDINGS LTD COMMON STOCK USD.01                 | CUSIP: G93A5A101<br>LEI: N/A                  | Long             | EC               | CORP              | BM        |    291109 | NS      | $18095335.44  | 2.98%             |  |  |  | No            |                  1 | On Loan: No      |
| SPOTIFY TECHNOLOGY SA COMMON STOCK EUR.000625           | SPOTIFY TECHNOLOGY SA COMMON STOCK EUR.000625           | CUSIP: L8681T102<br>LEI: 549300B4X0JHWV0DTD60 | Long             | EC               | CORP              | LU        |     33055 | NS      | $23072390.00  | 3.80%             |  |  |  | No            |                  1 | On Loan: No      |
| WIX.COM LTD COMMON STOCK ILS.01                         | WIX.COM LTD COMMON STOCK ILS.01                         | CUSIP: M98068105<br>LEI: 5493008P6N29Q1AG9464 | Long             | EC               | CORP              | IL        |     33441 | NS      | $5940124.83   | 0.98%             |  |  |  | No            |                  1 | On Loan: No      |
| NEBIUS GROUP NV COMMON STOCK EUR.01                     | NEBIUS GROUP NV COMMON STOCK EUR.01                     | CUSIP: N97284108<br>LEI: 549300GGZHJ5Q1B18P93 | Long             | EC               | CORP              | NL        |    110332 | NS      | $12386973.64  | 2.04%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2025-11-26

**Name of Applicant:** MARSICO INVESTMENT FUND

**Signature:** Lynnett E. F. Macfarlane

**Name of Signer:** Lynnett E. F. Macfarlane

**Title:** Principal Financial Officer