# EDGAR Filing Document

**Accession Number:** 0001040061
**File Stem:** 0001410368-25-038165
**Filing Date:** 2025-12
**Character Count:** 7029
**Document Hash:** bdcbc1b81e8dbbd127c96257c72bb3a2
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001410368-25-038165.hdr.sgml**: 20251217

**ACCESSION NUMBER**: 0001410368-25-038165

**CONFORMED SUBMISSION TYPE**: 24F-2NT

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250930

**FILED AS OF DATE**: 20251217

**DATE AS OF CHANGE**: 20251217

**EFFECTIVENESS DATE**: 20251217

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** STATE STREET INSTITUTIONAL FUNDS
- **CENTRAL INDEX KEY:** 0001040061

**ORGANIZATION NAME:**
- **EIN:** 061495734
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0930

**FILING VALUES:**
- **FORM TYPE:** 24F-2NT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-29337
- **FILM NUMBER:** 251577811

**BUSINESS ADDRESS:**
- **STREET 1:** ONE CONGRESS STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02114
- **BUSINESS PHONE:** 8002420134

**MAIL ADDRESS:**
- **STREET 1:** ONE CONGRESS STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02114

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** GE INSTITUTIONAL FUNDS
- **DATE OF NAME CHANGE:** 19970528

## Series and Classes Contracts Data

### State Street Active Core Bond Fund (Series ID: S000001626)

---

|  |  |  |
|:---|:---|:---|
| Class Name       | Ticker Symbol | Class ID   |
| Service Class    | SSFSX         | C000004419 |
| Investment Class | SSFIX         | C000004420 |

---

### State Street Institutional International Equity Fund (Series ID: S000001627)

---

|  |  |  |
|:---|:---|:---|
| Class Name       | Ticker Symbol | Class ID   |
| Service Class    | SIESX         | C000004421 |
| Investment Class | SIEIX         | C000004422 |

---

### State Street Institutional Premier Growth Equity Fund (Series ID: S000001629)

---

|  |  |  |
|:---|:---|:---|
| Class Name       | Ticker Symbol | Class ID   |
| Investment Class | SSPGX         | C000004425 |
| Service Class    | SSPSX         | C000004426 |

---

### State Street Institutional S&P 500 Index Fund (Series ID: S000001630)

---

|  |  |  |
|:---|:---|:---|
| Class Name       | Ticker Symbol | Class ID   |
| Service Class    | SIDSX         | C000004427 |
| Investment Class | SIDIX         | C000004428 |

---

### State Street Institutional Small-Cap Equity Fund (Series ID: S000001631)

---

|  |  |  |
|:---|:---|:---|
| Class Name       | Ticker Symbol | Class ID   |
| Investment Class | SIVIX         | C000004429 |
| Service Class    | SSQSX         | C000004430 |

---

### State Street Institutional Strategic Investment Fund (Series ID: S000001632)

---

|  |  |  |
|:---|:---|:---|
| Class Name       | Ticker Symbol | Class ID   |
| Investment Class | SIIVX         | C000004431 |
| Service Class    | SISVX         | C000004432 |

---

### State Street Institutional U.S. Equity Fund (Series ID: S000001633)

---

|  |  |  |
|:---|:---|:---|
| Class Name       | Ticker Symbol | Class ID   |
| Service Class    | SUSSX         | C000004433 |
| Investment Class | SUSIX         | C000004434 |

---

### State Street Institutional U.S. Large-Cap Core Equity Fund (Series ID: S000001634)

---

|  |  |  |
|:---|:---|:---|
| Class Name       | Ticker Symbol | Class ID   |
| Service Class    | SSLVX         | C000004435 |
| Investment Class | SILCX         | C000004436 |

---

## Series and Classes Contracts Data

### State Street Active Core Bond Fund (Series ID: S000001626)

| Class ID   | Class Name       | Ticker Symbol   |
|:---|:---|:---|
| C000004419 | Service Class    | SSFSX           |
| C000004420 | Investment Class | SSFIX           |

### State Street Institutional International Equity Fund (Series ID: S000001627)

| Class ID   | Class Name       | Ticker Symbol   |
|:---|:---|:---|
| C000004421 | Service Class    | SIESX           |
| C000004422 | Investment Class | SIEIX           |

### State Street Institutional Premier Growth Equity Fund (Series ID: S000001629)

| Class ID   | Class Name       | Ticker Symbol   |
|:---|:---|:---|
| C000004425 | Investment Class | SSPGX           |
| C000004426 | Service Class    | SSPSX           |

### State Street Institutional S&P 500 Index Fund (Series ID: S000001630)

| Class ID   | Class Name       | Ticker Symbol   |
|:---|:---|:---|
| C000004427 | Service Class    | SIDSX           |
| C000004428 | Investment Class | SIDIX           |

### State Street Institutional Small-Cap Equity Fund (Series ID: S000001631)

| Class ID   | Class Name       | Ticker Symbol   |
|:---|:---|:---|
| C000004429 | Investment Class | SIVIX           |
| C000004430 | Service Class    | SSQSX           |

### State Street Institutional Strategic Investment Fund (Series ID: S000001632)

| Class ID   | Class Name       | Ticker Symbol   |
|:---|:---|:---|
| C000004431 | Investment Class | SIIVX           |
| C000004432 | Service Class    | SISVX           |

### State Street Institutional U.S. Equity Fund (Series ID: S000001633)

| Class ID   | Class Name       | Ticker Symbol   |
|:---|:---|:---|
| C000004433 | Service Class    | SUSSX           |
| C000004434 | Investment Class | SUSIX           |

### State Street Institutional U.S. Large-Cap Core Equity Fund (Series ID: S000001634)

| Class ID   | Class Name       | Ticker Symbol   |
|:---|:---|:---|
| C000004435 | Service Class    | SSLVX           |
| C000004436 | Investment Class | SILCX           |

## FORM 24F-2NT: Annual Notice of Securities Sold Pursuant to Rule 24f-2

### 24F-2NT: Filer Information

**Filer CIK:** 0001040061

**Is this a LIVE or TEST Filing?:** LIVE

**Filer Investment Company Type:** N-1A

### 24F-2NT: Annual Filing Information

**1. Name and address of issuer:**

- **Name of Issuer:** STATE STREET INSTITUTIONAL FUNDS

- **Address:** ONE CONGRESS STREET, BOSTON, MA 02114

**2. The Name and EDGAR Identifier of each series or class of securities for which this Form is filed:**

- [ ] Check box if the Form is being filed for all series and classes of the issuer.

**3. Investment Company Act File Number:** 811-08257

   **Securities Act File Number:** 333-29337

**4(a). Last day of fiscal year for which this Form is filed:** 09/30/2025

**4(b). Check box if this Form is being filed late:** [ ]

**4(c). Check box if this is the last time the issuer will be filing this Form:** [ ]

**5. Calculation of registration fee:**

- **(i) Aggregate sale price of securities sold during the fiscal year:** $247407763.00

- **(ii) Aggregate price of securities redeemed or repurchased during the fiscal year:** $384332456.00

- **(iii) Aggregate price of securities redeemed or repurchased during any prior fiscal year:** $5975457629.00

- **(iv) Total available redemption credits [add Items 5(ii) and 5(iii)]:** $6359790085.00

- **(v) Net sales:** $0.00

- **(vi) Redemption credits available for use in future years:** $-6112382322.00

- **(vii) Multiplier for determining registration fee:** 0.0001381

- **(viii) Registration fee due:** $0.00

**Signatures**

**Name and Title:** John Bettencourt, Assistant Treasurer

**Date:** 12/16/2025

**Signature:** /s/John Bettencourt