# EDGAR Filing Document

**Accession Number:** 0000917469
**File Stem:** 0001410368-25-040045
**Filing Date:** 2025-12
**Character Count:** 7500
**Document Hash:** d8c5a77e4c491df78bd3d74f84f99c89
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001410368-25-040045.hdr.sgml**: 20251219

**ACCESSION NUMBER**: 0001410368-25-040045

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

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250930

**FILED AS OF DATE**: 20251219

**DATE AS OF CHANGE**: 20251219

**EFFECTIVENESS DATE**: 20251219

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** LOOMIS SAYLES FUNDS I
- **CENTRAL INDEX KEY:** 0000917469

**ORGANIZATION NAME:**
- **EIN:** 043219179
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 0930

**FILING VALUES:**
- **FORM TYPE:** 24F-2NT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-22931
- **FILM NUMBER:** 251586914

**BUSINESS ADDRESS:**
- **STREET 1:** 888 BOYLSTON STREET
- **STREET 2:** 8TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02199
- **BUSINESS PHONE:** 617-449-2810

**MAIL ADDRESS:**
- **STREET 1:** 888 BOYLSTON STREET
- **STREET 2:** 8TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02199

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** LOOMIS SAYLES FUNDS II
- **DATE OF NAME CHANGE:** 20031119

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** LOOMIS SAYLES INVESTMENT TRUST
- **DATE OF NAME CHANGE:** 20031015

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** LOOMIS SAYLES FUNDS I
- **DATE OF NAME CHANGE:** 20030718

## Series and Classes Contracts Data

### Loomis Sayles Securitized Asset Fund (Series ID: S000006639)

---

|  |  |  |
|:---|:---|:---|
| Class Name          | Ticker Symbol | Class ID   |
| Institutional Class | LSSAX         | C000018125 |

---

### Loomis Sayles Fixed Income Fund (Series ID: S000006640)

---

|  |  |  |
|:---|:---|:---|
| Class Name          | Ticker Symbol | Class ID   |
| Institutional Class | LSFIX         | C000018126 |

---

### Loomis Sayles Global Bond Fund (Series ID: S000006641)

---

|  |  |  |
|:---|:---|:---|
| Class Name          | Ticker Symbol | Class ID   |
| Institutional Class | LSGBX         | C000018127 |
| Retail Class        | LSGLX         | C000018128 |
| Class N             | LSGNX         | C000125494 |

---

### Loomis Sayles High Income Opportunities Fund (Series ID: S000006642)

---

|  |  |  |
|:---|:---|:---|
| Class Name          | Ticker Symbol | Class ID   |
| Institutional Class | LSIOX         | C000018129 |

---

### Loomis Sayles Inflation Protected Securities Fund (Series ID: S000006643)

---

|  |  |  |
|:---|:---|:---|
| Class Name          | Ticker Symbol | Class ID   |
| Institutional Class | LSGSX         | C000018130 |
| Retail Class        | LIPRX         | C000089752 |
| Class N             | LIPNX         | C000182246 |

---

### Loomis Sayles Institutional High Income Fund (Series ID: S000006644)

---

|  |  |  |
|:---|:---|:---|
| Class Name          | Ticker Symbol | Class ID   |
| Institutional Class | LSHIX         | C000018131 |

---

### Loomis Sayles Intermediate Duration Bond Fund (Series ID: S000006645)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class Y    | LSDIX         | C000018132 |
| Class A    | LSDRX         | C000089753 |
| Class C    | LSCDX         | C000173092 |
| Class T    | LSDTX         | C000188531 |
| Class N    | LSDNX         | C000211126 |

---

### Loomis Sayles Small Cap Value Fund (Series ID: S000006647)

---

|  |  |  |
|:---|:---|:---|
| Class Name          | Ticker Symbol | Class ID   |
| Institutional Class | LSSCX         | C000018134 |
| Retail Class        | LSCRX         | C000018135 |
| Admin Class         | LSVAX         | C000018136 |
| Class N             | LSCNX         | C000125495 |

---

## Series and Classes Contracts Data

### Loomis Sayles Securitized Asset Fund (Series ID: S000006639)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000018125 | Institutional Class | LSSAX           |

### Loomis Sayles Fixed Income Fund (Series ID: S000006640)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000018126 | Institutional Class | LSFIX           |

### Loomis Sayles Global Bond Fund (Series ID: S000006641)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000018127 | Institutional Class | LSGBX           |
| C000018128 | Retail Class        | LSGLX           |
| C000125494 | Class N             | LSGNX           |

### Loomis Sayles High Income Opportunities Fund (Series ID: S000006642)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000018129 | Institutional Class | LSIOX           |

### Loomis Sayles Inflation Protected Securities Fund (Series ID: S000006643)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000018130 | Institutional Class | LSGSX           |
| C000089752 | Retail Class        | LIPRX           |
| C000182246 | Class N             | LIPNX           |

### Loomis Sayles Institutional High Income Fund (Series ID: S000006644)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000018131 | Institutional Class | LSHIX           |

### Loomis Sayles Intermediate Duration Bond Fund (Series ID: S000006645)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000018132 | Class Y      | LSDIX           |
| C000089753 | Class A      | LSDRX           |
| C000173092 | Class C      | LSCDX           |
| C000188531 | Class T      | LSDTX           |
| C000211126 | Class N      | LSDNX           |

### Loomis Sayles Small Cap Value Fund (Series ID: S000006647)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000018134 | Institutional Class | LSSCX           |
| C000018135 | Retail Class        | LSCRX           |
| C000018136 | Admin Class         | LSVAX           |
| C000125495 | Class N             | LSCNX           |

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

### 24F-2NT: Filer Information

**Filer CIK:** 0000917469

**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:** Loomis Sayles Funds I

- **Address:** 888 Boylston Street, Boston, MA 02199-8197

**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:** 811-08282

   **Securities Act File Number:** 333-22931

**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:** $873540636.00

- **(ii) Aggregate price of securities redeemed or repurchased during the fiscal year:** $932380590.00

- **(iii) Aggregate price of securities redeemed or repurchased during any prior fiscal year:** $12292753195.00

- **(iv) Total available redemption credits [add Items 5(ii) and 5(iii)]:** $13225133785.00

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

- **(vi) Redemption credits available for use in future years:** $-12351593149.00

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

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

**Signatures**

**Name and Title:** Assistant Treasurer

**Date:** 12/19/2025

**Signature:** Stephen Sadoski