# EDGAR Filing Document

**Accession Number:** 0000911415
**File Stem:** 0001752724-25-160180
**Filing Date:** 2025-6
**Character Count:** 26368
**Document Hash:** bfea0ae649b947e4041f98570b21a68a
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-25-160180.hdr.sgml**: 20250626

**ACCESSION NUMBER**: 0001752724-25-160180

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250430

**FILED AS OF DATE**: 20250626

**DATE AS OF CHANGE**: 20250626

**PERIOD START**: 20251031

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** ALGER INSTITUTIONAL FUNDS
- **CENTRAL INDEX KEY:** 0000911415

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

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-07986
- **FILM NUMBER:** 251080128

**BUSINESS ADDRESS:**
- **STREET 1:** 100 PEARL STREET
- **STREET 2:** 27TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10004
- **BUSINESS PHONE:** 212-806-8800

**MAIL ADDRESS:**
- **STREET 1:** 100 PEARL STREET
- **STREET 2:** 27TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10004

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ALGER INSTITUTIONAL FUND
- **DATE OF NAME CHANGE:** 20020228

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ALGER RETIREMENT FUND
- **DATE OF NAME CHANGE:** 19960515

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ALGER DEFINED CONTRIBUTION TRUST
- **DATE OF NAME CHANGE:** 19930830

## Series and Classes Contracts Data

### Alger Mid Cap Growth Institutional Fund (Series ID: S000009203)

| Class ID   | Class Name                                        | Ticker Symbol   |
|:---|:---|:---|
| C000025002 | Alger Mid Cap Growth Institutional Fund Class I   | ALMRX           |
| C000025003 | Alger Mid Cap Growth Institutional Fund Class R   | AGIRX           |
| C000174228 | Alger Mid Cap Growth Institutional Fund Class Z-2 | ALMZX           |

## Form NPORT-P: Monthly Portfolio Investments Report

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

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

- **a. Name of Registrant:** ALGER INSTITUTIONAL FUNDS

- **b. Investment Company Act file number:** 811-07986

- **c. CIK number of Registrant:** 0000911415

- **d. LEI of Registrant:** 549300YADKM68VK1G468

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

  - **Street Address 1:** 100 Pearl Street

  - **City:** New York

  - **State:** NY

  - **Foreign country:** US

  - **Zip / Postal Code:** 10004-6030

  - **Telephone number:** 212-806-8800

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

- **a. Name of Series:** ALGER MID CAP GROWTH INSTITUTIONAL FUND

- **b. EDGAR series identifier (if any):** S000009203

- **c. LEI of Series:** 549300SU7CUV2THSKW55

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

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

- **b. Date as of which information is reported:** 2025-04-30

**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:** $51061512.22

**Total Liabilities:** $543302.18

**Net Assets:** $50518210.04

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000025002 | -6.38%               | -9.01%               | 3.51%                |
| Class ID C000025003 | -6.44%               | -9.02%               | 3.42%                |
| Class ID C000174228 | -6.37%               | -8.99%               | 3.54%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $1461287.71              | $-5327207.19                               |
| Month 2  | $-192974.76              | $-4869665.07                               |
| Month 3  | $-527868.83              | $2264719.70                                |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Astera Labs Inc                                   | Astera Labs Inc                                   | CUSIP: 04626A103<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      4435 | NS      | $289649.85    | 0.57%             |  |  |  | No            |                  1 | On Loan: No      |
| Natera Inc                                        | Natera Inc                                        | CUSIP: 632307104<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      9473 | NS      | $1429759.89   | 2.83%             |  |  |  | No            |                  1 | On Loan: No      |
| AppLovin Corp                                     | AppLovin Corp                                     | CUSIP: 03831W108<br>LEI: 549300LLVXMUAOL3SQ07 | Long             | EC               | CORP              | US        |      4043 | NS      | $1088820.33   | 2.16%             |  |  |  | No            |                  1 | On Loan: No      |
| TKO Group Holdings Inc                            | TKO Group Holdings Inc                            | CUSIP: 87256C101<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      8461 | NS      | $1378381.51   | 2.73%             |  |  |  | No            |                  1 | On Loan: No      |
| Vertiv Holdings Co                                | Vertiv Holdings Co                                | CUSIP: 92537N108<br>LEI: 549300KTTIRAOGXCRV69 | Long             | EC               | CORP              | US        |     15249 | NS      | $1301959.62   | 2.58%             |  |  |  | No            |                  1 | On Loan: No      |
| Onto Innovation Inc                               | Onto Innovation Inc                               | CUSIP: 683344105<br>LEI: 254900RXZVN73CHOO062 | Long             | EC               | CORP              | US        |      1589 | NS      | $193810.33    | 0.38%             |  |  |  | No            |                  1 | On Loan: No      |
| Hilton Worldwide Holdings Inc                     | Hilton Worldwide Holdings Inc                     | CUSIP: 43300A203<br>LEI: 549300HVGPK36ICB0B89 | Long             | EC               | CORP              | US        |      3919 | NS      | $883656.12    | 1.75%             |  |  |  | No            |                  1 | On Loan: No      |
| Floor & Decor Holdings Inc                        | Floor & Decor Holdings Inc                        | CUSIP: 339750101<br>LEI: 549300M5FR3N688XGQ36 | Long             | EC               | CORP              | US        |      3619 | NS      | $258541.36    | 0.51%             |  |  |  | No            |                  1 | On Loan: No      |
| Wayfair Inc                                       | Wayfair Inc                                       | CUSIP: 94419L101<br>LEI: 54930027N9ZAVYFDHK53 | Long             | EC               | CORP              | US        |      4729 | NS      | $142626.64    | 0.28%             |  |  |  | No            |                  1 | On Loan: No      |
| Comfort Systems USA Inc                           | Comfort Systems USA Inc                           | CUSIP: 199908104<br>LEI: 5299009DT1ZA5HTU6R38 | Long             | EC               | CORP              | US        |      2377 | NS      | $944976.35    | 1.87%             |  |  |  | No            |                  1 | On Loan: No      |
| MSCI Inc                                          | MSCI Inc                                          | CUSIP: 55354G100<br>LEI: 549300HTIN2PD78UB763 | Long             | EC               | CORP              | US        |       628 | NS      | $342329.08    | 0.68%             |  |  |  | No            |                  1 | On Loan: No      |
| SB TECHNOLOGY CORP                                | SB Technology, Inc. Series E Preferred Stock      | CUSIP: 000000000<br>LEI: N/A                  | Long             | EP               | CORP              | US        |     16281 | NS      | $280196.01    | 0.55%             |  |  |  | Yes           |                  3 | On Loan: No      |
| Veeva Systems Inc                                 | Veeva Systems Inc                                 | CUSIP: 922475108<br>LEI: 549300YZEXPDB92M2F02 | Long             | EC               | CORP              | US        |      2720 | NS      | $635636.80    | 1.26%             |  |  |  | No            |                  1 | On Loan: No      |
| Procore Technologies Inc                          | Procore Technologies Inc                          | CUSIP: 74275K108<br>LEI: 5493005PTWY0RHYRAH22 | Long             | EC               | CORP              | US        |      4175 | NS      | $267575.75    | 0.53%             |  |  |  | No            |                  1 | On Loan: No      |
| NVR Inc                                           | NVR Inc                                           | CUSIP: 62944T105<br>LEI: 529900RWXR4JI3JYTV70 | Long             | EC               | CORP              | US        |       203 | NS      | $1446527.25   | 2.86%             |  |  |  | No            |                  1 | On Loan: No      |
| IDEXX Laboratories Inc                            | IDEXX Laboratories Inc                            | CUSIP: 45168D104<br>LEI: OGMTXK0LUU1HKV2P0J84 | Long             | EC               | CORP              | US        |      1507 | NS      | $652003.55    | 1.29%             |  |  |  | No            |                  1 | On Loan: No      |
| ROBLOX Corp                                       | ROBLOX Corp                                       | CUSIP: 771049103<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     10870 | NS      | $728833.50    | 1.44%             |  |  |  | No            |                  1 | On Loan: No      |
| Blue Owl Capital Inc                              | Blue Owl Capital Inc                              | CUSIP: 09581B103<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     79979 | NS      | $1482010.87   | 2.93%             |  |  |  | No            |                  1 | On Loan: No      |
| Amphenol Corp                                     | Amphenol Corp                                     | CUSIP: 032095101<br>LEI: 549300D3L3G0R4U4VT04 | Long             | EC               | CORP              | US        |     14920 | NS      | $1148094.00   | 2.27%             |  |  |  | No            |                  1 | On Loan: No      |
| Robinhood Markets Inc                             | Robinhood Markets Inc                             | CUSIP: 770700102<br>LEI: 213800FS5AO3YWIE6F63 | Long             | EC               | CORP              | US        |     16242 | NS      | $797644.62    | 1.58%             |  |  |  | No            |                  1 | On Loan: No      |
| Global-e Online Ltd                               | Global-e Online Ltd                               | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | IL        |      4006 | NS      | $143855.46    | 0.28%             |  |  |  | No            |                  1 | On Loan: No      |
| Globant SA                                        | Globant SA                                        | CUSIP: 000000000<br>LEI: 2221008DCMSPYS42DS88 | Long             | EC               | CORP              | LU        |      5868 | NS      | $689900.76    | 1.37%             |  |  |  | No            |                  1 | On Loan: No      |
| Spotify Technology SA                             | Spotify Technology SA                             | CUSIP: 000000000<br>LEI: 549300B4X0JHWV0DTD60 | Long             | EC               | CORP              | SE        |      1719 | NS      | $1055431.62   | 2.09%             |  |  |  | No            |                  1 | On Loan: No      |
| Builders FirstSource Inc                          | Builders FirstSource Inc                          | CUSIP: 12008R107<br>LEI: 549300W0SKP6L3H7DP63 | Long             | EC               | CORP              | US        |      5200 | NS      | $622076.00    | 1.23%             |  |  |  | No            |                  1 | On Loan: No      |
| CBRE Group Inc                                    | CBRE Group Inc                                    | CUSIP: 12504L109<br>LEI: 52990016II9MJ2OSWA10 | Long             | EC               | CORP              | US        |     11719 | NS      | $1431827.42   | 2.83%             |  |  |  | No            |                  1 | On Loan: No      |
| Carvana Co                                        | Carvana Co                                        | CUSIP: 146869102<br>LEI: 5493003WEAK2PJ5WS063 | Long             | EC               | CORP              | US        |      2959 | NS      | $723031.65    | 1.43%             |  |  |  | No            |                  1 | On Loan: No      |
| Axon Enterprise Inc                               | Axon Enterprise Inc                               | CUSIP: 05464C101<br>LEI: 549300QP2IEEGFE16681 | Long             | EC               | CORP              | US        |      1977 | NS      | $1212494.10   | 2.40%             |  |  |  | No            |                  1 | On Loan: No      |
| NU Holdings Ltd/Cayman Islands                    | NU Holdings Ltd/Cayman Islands                    | CUSIP: 000000000<br>LEI: 5493002DG1RHWK9W2X27 | Long             | EC               | CORP              | BR        |     44109 | NS      | $548274.87    | 1.09%             |  |  |  | No            |                  1 | On Loan: No      |
| PROSETTA BIOSCIENCES INC. /PFD                    | PROSETTA BIOSCIENCES INC. /PFD                    | CUSIP: 000000000<br>LEI: N/A                  | Long             | EP               | CORP              | US        |    166009 | NS      | $0.00         | 0.00%             |  |  |  | Yes           |                  3 | On Loan: No      |
| Marvell Technology Inc                            | Marvell Technology Inc                            | CUSIP: 573874104<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      6785 | NS      | $396040.45    | 0.78%             |  |  |  | No            |                  1 | On Loan: No      |
| Talen Energy Corp                                 | Talen Energy Corp                                 | CUSIP: 87422Q109<br>LEI: N/A                  | Long             | EC               | CORP              | US        |      7947 | NS      | $1709240.76   | 3.38%             |  |  |  | No            |                  1 | On Loan: No      |
| Guidewire Software Inc                            | Guidewire Software Inc                            | CUSIP: 40171V100<br>LEI: 549300WXSG0J8IXZCK32 | Long             | EC               | CORP              | US        |      5496 | NS      | $1125415.92   | 2.23%             |  |  |  | No            |                  1 | On Loan: No      |
| Repligen Corp                                     | Repligen Corp                                     | CUSIP: 759916109<br>LEI: 54930006QJ0T5AUO1E71 | Long             | EC               | CORP              | US        |      5316 | NS      | $733554.84    | 1.45%             |  |  |  | No            |                  1 | On Loan: No      |
| Clearwater Analytics Holdings                     | Clearwater Analytics Holdings Inc                 | CUSIP: 185123106<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     38495 | NS      | $875376.30    | 1.73%             |  |  |  | No            |                  1 | On Loan: No      |
| Old Dominion Freight Line Inc                     | Old Dominion Freight Line Inc                     | CUSIP: 679580100<br>LEI: 5299009TWK32WE417T96 | Long             | EC               | CORP              | US        |      1301 | NS      | $199417.28    | 0.39%             |  |  |  | No            |                  1 | On Loan: No      |
| CROSSLINK VENTURES C LLC CALSS A SHARES           | CROSSLINK VENTURES C LLC CALSS A SHARES           | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | US        |        22 | NS      | $359370.00    | 0.71%             |  |  |  | Yes           |                  3 | On Loan: No      |
| HEICO Corp                                        | HEICO Corp                                        | CUSIP: 422806109<br>LEI: 529900O1DTDLCJ7L0I14 | Long             | EC               | CORP              | US        |      4198 | NS      | $1052690.48   | 2.08%             |  |  |  | No            |                  1 | On Loan: No      |
| Verisk Analytics Inc                              | Verisk Analytics Inc                              | CUSIP: 92345Y106<br>LEI: 549300I1YSWNIRKBWP67 | Long             | EC               | CORP              | US        |      3176 | NS      | $941461.68    | 1.86%             |  |  |  | No            |                  1 | On Loan: No      |
| United Rentals Inc                                | United Rentals Inc                                | CUSIP: 911363109<br>LEI: 5323X5O7RN0NKFCDRY08 | Long             | EC               | CORP              | US        |       641 | NS      | $404759.45    | 0.80%             |  |  |  | No            |                  1 | On Loan: No      |
| Pinterest Inc                                     | Pinterest Inc                                     | CUSIP: 72352L106<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     15614 | NS      | $395346.48    | 0.78%             |  |  |  | No            |                  1 | On Loan: No      |
| Constellation Software Inc/Can                    | Constellation Software Inc/Canada                 | CUSIP: 21037X100<br>LEI: 549300B6PYHMCTDWQV29 | Long             | EC               | CORP              | CA        |       633 | NS      | $2281274.88   | 4.52%             |  |  |  | No            |                  1 | On Loan: No      |
| CONSTELLATION SOFTWARE INC                        | Constellation Software Inc/Canada                 | CUSIP: 21037X134<br>LEI: 549300B6PYHMCTDWQV29 | N/A              | DE               | CORP              | CA        |       638 | NC      | $0.00         | 0.00%             |  |  |  | No            |                  2 | On Loan: No      |
| Ares Management Corp                              | Ares Management Corp                              | CUSIP: 03990B101<br>LEI: 529900JUV61FH7B8VW38 | Long             | EC               | CORP              | US        |      3698 | NS      | $564055.94    | 1.12%             |  |  |  | No            |                  1 | On Loan: No      |
| GFL Environmental Inc                             | GFL Environmental Inc                             | CUSIP: 36168Q104<br>LEI: 549300FYK4MBXWIVZU26 | Long             | EC               | CORP              | CA        |     58511 | NS      | $2919698.90   | 5.78%             |  |  |  | No            |                  1 | On Loan: No      |
| Palantir Technologies Inc                         | Palantir Technologies Inc                         | CUSIP: 69608A108<br>LEI: 549300UVN46B3BBDHO85 | Long             | EC               | CORP              | US        |     20241 | NS      | $2397344.04   | 4.75%             |  |  |  | No            |                  1 | On Loan: No      |
| CROSSLINK VENTURES C LLC CLASS B SHARES           | CROSSLINK VENTURES C LLC CLASS B SHARES           | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | US        |         9 | NS      | $147015.00    | 0.29%             |  |  |  | Yes           |                  3 | On Loan: No      |
| Cloudflare Inc                                    | Cloudflare Inc                                    | CUSIP: 18915M107<br>LEI: 5493007DY18BGNLDWU14 | Long             | EC               | CORP              | US        |     11221 | NS      | $1355272.38   | 2.68%             |  |  |  | No            |                  1 | On Loan: No      |
| Fair Isaac Corp                                   | Fair Isaac Corp                                   | CUSIP: 303250104<br>LEI: RI6HET5SJUEY30V1PS26 | Long             | EC               | CORP              | US        |       226 | NS      | $449667.68    | 0.89%             |  |  |  | No            |                  1 | On Loan: No      |
| Descartes Systems Group Inc/Th                    | Descartes Systems Group Inc/The                   | CUSIP: 249906108<br>LEI: 875500NEPA7JI5EOMN45 | Long             | EC               | CORP              | CA        |     13255 | NS      | $1395880.53   | 2.76%             |  |  |  | No            |                  1 | On Loan: No      |
| Martin Marietta Materials Inc                     | Martin Marietta Materials Inc                     | CUSIP: 573284106<br>LEI: 5299005MZ4WZECVATV08 | Long             | EC               | CORP              | US        |      1372 | NS      | $718900.56    | 1.42%             |  |  |  | No            |                  1 | On Loan: No      |
| Monolithic Power Systems Inc                      | Monolithic Power Systems Inc                      | CUSIP: 609839105<br>LEI: 529900TB7O85LSZ1XU31 | Long             | EC               | CORP              | US        |      1048 | NS      | $621568.80    | 1.23%             |  |  |  | No            |                  1 | On Loan: No      |
| Dreyfus Treasury Obligations Cash Management Fund | Dreyfus Treasury Obligations Cash Management Fund | CUSIP: 261908107<br>LEI: 549300MKKM9KT7BF6329 | Long             | STIV             | RF                | US        |   1428673 | NS      | $1428672.98   | 2.83%             |  |  |  | No            |                  1 | On Loan: No      |
| Paylocity Holding Corp                            | Paylocity Holding Corp                            | CUSIP: 70438V106<br>LEI: 549300VH75FTB4DIEE07 | Long             | EC               | CORP              | US        |      2269 | NS      | $435874.90    | 0.86%             |  |  |  | No            |                  1 | On Loan: No      |
| Chipotle Mexican Grill Inc                        | Chipotle Mexican Grill Inc                        | CUSIP: 169656105<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     15150 | NS      | $765378.00    | 1.52%             |  |  |  | No            |                  1 | On Loan: No      |
| Intact Financial Corp                             | Intact Financial Corp                             | CUSIP: 45823T106<br>LEI: 5493009LXGE7Y4U9OY43 | Long             | EC               | CORP              | CA        |      5035 | NS      | $1118211.19   | 2.21%             |  |  |  | No            |                  1 | On Loan: No      |
| CoStar Group Inc                                  | CoStar Group Inc                                  | CUSIP: 22160N109<br>LEI: 984500Q1D53D08E2E698 | Long             | EC               | CORP              | US        |      8570 | NS      | $635636.90    | 1.26%             |  |  |  | No            |                  1 | On Loan: No      |
| O'Reilly Automotive Inc                           | O'Reilly Automotive Inc                           | CUSIP: 67103H107<br>LEI: 549300K2RLMQL149Q332 | Long             | EC               | CORP              | US        |       522 | NS      | $738734.40    | 1.46%             |  |  |  | No            |                  1 | On Loan: No      |
| TOLERO DCR                                        | TOLERO DCR                                        | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    422928 | NS      | $0.00         | 0.00%             |  |  |  | Yes           |                  3 | On Loan: No      |
| elf Beauty Inc                                    | elf Beauty Inc                                    | CUSIP: 26856L103<br>LEI: 549300U2K9TCON25C029 | Long             | EC               | CORP              | US        |      4535 | NS      | $280580.45    | 0.56%             |  |  |  | No            |                  1 | On Loan: No      |
| West Pharmaceutical Services I                    | West Pharmaceutical Services Inc                  | CUSIP: 955306105<br>LEI: 5493007NKRGM1RJQ1P16 | Long             | EC               | CORP              | US        |      2009 | NS      | $424481.61    | 0.84%             |  |  |  | No            |                  1 | On Loan: No      |
| Vaxcyte Inc                                       | Vaxcyte Inc                                       | CUSIP: 92243G108<br>LEI: 254900M7NMHTGASX8D95 | Long             | EC               | CORP              | US        |      2347 | NS      | $84116.48     | 0.17%             |  |  |  | No            |                  1 | On Loan: No      |
| FTAI Aviation Ltd                                 | FTAI Aviation Ltd                                 | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     10081 | NS      | $1079775.91   | 2.14%             |  |  |  | No            |                  1 | On Loan: No      |
| Ryan Specialty Holdings Inc                       | Ryan Specialty Holdings Inc                       | CUSIP: 78351F107<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     13307 | NS      | $871741.57    | 1.73%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2025-06-25

**Name of Applicant:** ALGER INSTITUTIONAL FUNDS

**Signature:** Sergio Pavone

**Name of Signer:** Sergio Pavone

**Title:** Assistant Treasurer