# EDGAR Filing Document

**Accession Number:** 0001047112
**File Stem:** 0001193125-26-241001
**Filing Date:** 2026-5
**Character Count:** 17543
**Document Hash:** 4fadbbe9f4e34eaf2a7230acc2035649
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-241001.hdr.sgml**: 20260527

**ACCESSION NUMBER**: 0001193125-26-241001

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260331

**FILED AS OF DATE**: 20260527

**DATE AS OF CHANGE**: 20260527

**PERIOD START**: 20260930

**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:** 261023770

**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:** 2026-09-30

- **b. Date as of which information is reported:** 2026-03-31

**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:** $664727468.75

**Total Liabilities:** $1592961.48

**Net Assets:** $663134507.27

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000020962 | 4.94%                | 4.28%                | -9.06%               |
| Class ID C000232238 | 4.95%                | 4.32%                | -9.05%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-2384382.62             | $32598509.46                               |
| Month 2  | $-8266061.47             | $37116383.41                               |
| Month 3  | $-6391384.53             | $-58555090.87                              |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| NEBIUS GROUP NV COMMON STOCK EUR.01                     | NEBIUS GROUP NV COMMON STOCK EUR.01                     | CUSIP: N97284108<br>LEI: 549300GGZHJ5Q1B18P93 | Long             | EC               | CORP              | NL        |    167434 | NS      | $17372951.84  | 2.62%             |  |  |  | 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      | $15899752.44  | 2.40%             |  |  |  | No            |                  1 | On Loan: No      |
| UNITED RENTALS INC COMMON STOCK USD.01                  | UNITED RENTALS INC COMMON STOCK USD.01                  | CUSIP: 911363109<br>LEI: 5323X5O7RN0NKFCDRY08 | Long             | EC               | CORP              | US        |     13994 | NS      | $10195468.64  | 1.54%             |  |  |  | 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        |    123980 | NS      | $22861912.00  | 3.45%             |  |  |  | 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        |     78825 | NS      | $10677634.50  | 1.61%             |  |  |  | No            |                  1 | On Loan: No      |
| JOHNSON CONTROLS INTERNATION COMMON STOCK USD.01        | JOHNSON CONTROLS INTERNATION COMMON STOCK USD.01        | CUSIP: G51502105<br>LEI: 549300XQ6S1GYKGBL205 | Long             | EC               | CORP              | IE        |    125715 | NS      | $16462379.25  | 2.48%             |  |  |  | No            |                  1 | On Loan: No      |
| VIKING HOLDINGS LTD COMMON STOCK USD.01                 | VIKING HOLDINGS LTD COMMON STOCK USD.01                 | CUSIP: G93A5A101<br>LEI: 52990032GOPN7BVQMN13 | Long             | EC               | CORP              | BM        |    373486 | NS      | $27443751.28  | 4.14%             |  |  |  | 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      | $5244032.85   | 0.79%             |  |  |  | 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      | $33459506.12  | 5.05%             |  |  |  | No            |                  2 | 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      | $20147831.21  | 3.04%             |  |  |  | No            |                  2 | 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      | $10813485.54  | 1.63%             |  |  |  | No            |                  1 | On Loan: No      |
| FIVE BELOW COMMON STOCK USD.01                          | FIVE BELOW COMMON STOCK USD.01                          | CUSIP: 33829M101<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     34158 | NS      | $7804419.84   | 1.18%             |  |  |  | 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      | $42244868.40  | 6.37%             |  |  |  | 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      | $13300345.20  | 2.01%             |  |  |  | No            |                  1 | On Loan: No      |
| IMAX CORP COMMON STOCK                                  | IMAX CORP COMMON STOCK                                  | CUSIP: 45245E109<br>LEI: 894500GS1ESLAPZCEI74 | Long             | EC               | CORP              | CA        |    387367 | NS      | $14723819.67  | 2.22%             |  |  |  | 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      | $31509574.00  | 4.75%             |  |  |  | No            |                  1 | On Loan: No      |
| LUMENTUM HOLDINGS INC COMMON STOCK USD.001              | LUMENTUM HOLDINGS INC COMMON STOCK USD.001              | CUSIP: 55024U109<br>LEI: 549300JLWRRC38DWEF52 | Long             | EC               | CORP              | US        |     18736 | NS      | $13166911.36  | 1.99%             |  |  |  | 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      | $9710232.82   | 1.46%             |  |  |  | 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      | $12567083.40  | 1.90%             |  |  |  | No            |                  1 | On Loan: No      |
| REVOLUTION MEDICINES INC COMMON STOCK                   | REVOLUTION MEDICINES INC COMMON STOCK                   | CUSIP: 76155X100<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    219460 | NS      | $21342485.00  | 3.22%             |  |  |  | No            |                  1 | On Loan: No      |
| ROLLINS INC COMMON STOCK USD1.0                         | ROLLINS INC COMMON STOCK USD1.0                         | CUSIP: 775711104<br>LEI: 549300F2A0BXT4SGWD84 | Long             | EC               | CORP              | US        |    298075 | NS      | $15920185.75  | 2.40%             |  |  |  | No            |                  1 | On Loan: No      |
| SHERWIN WILLIAMS CO/THE COMMON STOCK USD1.0             | SHERWIN WILLIAMS CO/THE COMMON STOCK USD1.0             | CUSIP: 824348106<br>LEI: Z15BMIOX8DDH0X2OBP21 | Long             | EC               | CORP              | US        |     54032 | NS      | $17319957.60  | 2.61%             |  |  |  | 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        |    127337 | NS      | $25677506.05  | 3.87%             |  |  |  | No            |                  1 | On Loan: No      |
| TEXAS ROADHOUSE INC COMMON STOCK USD.001                | TEXAS ROADHOUSE INC COMMON STOCK USD.001                | CUSIP: 882681109<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     66462 | NS      | $10975534.68  | 1.66%             |  |  |  | No            |                  1 | On Loan: No      |
| C.H. ROBINSON WORLDWIDE INC COMMON STOCK USD.1          | C.H. ROBINSON WORLDWIDE INC COMMON STOCK USD.1          | CUSIP: 12541W209<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    113211 | NS      | $18800950.77  | 2.84%             |  |  |  | No            |                  1 | On Loan: No      |
| CHIPOTLE MEXICAN GRILL INC COMMON STOCK USD.01          | CHIPOTLE MEXICAN GRILL INC COMMON STOCK USD.01          | CUSIP: 169656105<br>LEI: 529900REP5VGTPCP1J71 | Long             | EC               | CORP              | US        |    491976 | NS      | $15748151.76  | 2.37%             |  |  |  | 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      | $13519698.48  | 2.04%             |  |  |  | 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        |    385025 | NS      | $18639060.25  | 2.81%             |  |  |  | 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      |
| DOORDASH INC   A COMMON STOCK USD.00001                 | DOORDASH INC   A COMMON STOCK USD.00001                 | CUSIP: 25809K105<br>LEI: 549300NUQ43FGGSK5051 | Long             | EC               | CORP              | US        |     73952 | NS      | $11103892.80  | 1.67%             |  |  |  | No            |                  1 | 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      | $15175949.89  | 2.29%             |  |  |  | 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        |    779767 | NS      | $13739494.54  | 2.07%             |  |  |  | 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        |     91274 | NS      | $19565494.64  | 2.95%             |  |  |  | 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      | $20175315.30  | 3.04%             |  |  |  | No            |                  1 | On Loan: No      |
| BURLINGTON STORES INC COMMON STOCK USD.0001             | BURLINGTON STORES INC COMMON STOCK USD.0001             | CUSIP: 122017106<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     44242 | NS      | $14395461.96  | 2.17%             |  |  |  | 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      | $16232480.16  | 2.45%             |  |  |  | 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      | $9377820.12   | 1.41%             |  |  |  | No            |                  1 | On Loan: No      |
| 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        |  50913310 | NS      | $50913310.28  | 7.68%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2026-05-27

**Name of Applicant:** MARSICO INVESTMENT FUND

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

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

**Title:** Principal Financial Officer