# EDGAR Filing Document

**Accession Number:** 0000917469
**File Stem:** 0001193125-26-037406
**Filing Date:** 2026-2
**Character Count:** 4478
**Document Hash:** 942f57f76dcdeba37c791a8e030bfe34
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-037406.hdr.sgml**: 20260204

**ACCESSION NUMBER**: 0001193125-26-037406

**CONFORMED SUBMISSION TYPE**: 497J

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260204

**DATE AS OF CHANGE**: 20260204

**EFFECTIVENESS DATE**: 20260204

**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:** 497J
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-22931
- **FILM NUMBER:** 26597670

**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 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           |
| 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           |

**LOOMIS SAYLES FUNDS I** 

February 4, 2026

<u>VIA EDGAR</u> 

U.S. Securities and Exchange Commission

100 F Street, NE

Washington, DC 20549

Re: Loomis Sayles Funds I

<u>(File Nos.: 333-22931 and 811-08282)</u>

Dear Sir or Madam:

Pursuant to Rule 497(j) of the Securities Act of 1933, as amended, I hereby certify that the Prospectus, dated February 1, 2026, for the Loomis Sayles Fixed Income Fund, Loomis Sayles Global Bond Fund, Loomis Sayles High Income Opportunities Fund, Loomis Sayles Inflation Protected Securities Fund, Loomis Sayles Institutional High Income Fund, Loomis Sayles Intermediate Duration Bond Fund, Loomis Sayles Securitized Asset Fund and Loomis Sayles Small Cap Value Fund, each a series of Loomis Sayles Funds I, does not differ from that contained in Post-Effective Amendment No. 83 that was filed electronically on January 28, 2026.

Please direct any questions or comments on the enclosed materials to me at (617) 449-2818.

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| |
|:---|
|  Very truly yours, |
|  /s/ John DelPrete |
|  John DelPrete |
|  Assistant Secretary |

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