# EDGAR Filing Document

**Accession Number:** 0000052136
**File Stem:** 0001193125-26-026600
**Filing Date:** 2026-1
**Character Count:** 2761
**Document Hash:** d844de101677844bf37a6c5c3f267c38
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-026600.hdr.sgml**: 20260128

**ACCESSION NUMBER**: 0001193125-26-026600

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260128

**DATE AS OF CHANGE**: 20260128

**EFFECTIVENESS DATE**: 20260128

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Natixis Funds Trust II
- **CENTRAL INDEX KEY:** 0000052136

**ORGANIZATION NAME:**
- **EIN:** 041990692
- **STATE OF INCORPORATION:** MA

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-11101
- **FILM NUMBER:** 26569771

**BUSINESS ADDRESS:**
- **STREET 1:** 888 BOYLSTON STREET
- **STREET 2:** 8TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02199
- **BUSINESS PHONE:** 800-283-1155

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

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** IXIS Advisor Funds Trust II
- **DATE OF NAME CHANGE:** 20050502

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** CDC NVEST FUNDS TRUST II
- **DATE OF NAME CHANGE:** 20010503

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** NVEST FUNDS TRUST II
- **DATE OF NAME CHANGE:** 20000202

## Series and Classes Contracts Data

### Loomis Sayles Senior Floating Rate and Fixed Income Fund (Series ID: S000034097)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class A    | LSFAX         | C000105118 |
| Class C    | LSFCX         | C000105119 |
| Class Y    | LSFYX         | C000105120 |
| Class N    | LSFNX         | C000188118 |
| Class T    | LSFTX         | C000188119 |

---

## Series and Classes Contracts Data

### Loomis Sayles Senior Floating Rate and Fixed Income Fund (Series ID: S000034097)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000105118 | Class A      | LSFAX           |
| C000105119 | Class C      | LSFCX           |
| C000105120 | Class Y      | LSFYX           |
| C000188118 | Class N      | LSFNX           |
| C000188119 | Class T      | LSFTX           |

*Supplement dated January 28, 2026 to the Fund's Summary Prospectus, Prospectus and Statement of Additional Information ("SAI"), each dated April 1, 2025, as may be revised or supplemented from time to time.* 

**LOOMIS SAYLES SENIOR FLOATING RATE AND FIXED INCOME FUND** 

**(the "Fund")** 

***Effective immediately, Heather Young and Michael Klawitter of Loomis, Sayles & Company, L.P. will no longer serve as portfolio managers of the Fund. Accordingly, all references and corresponding disclosure related to Ms. Young and Mr. Klawitter are hereby removed. Matthew J. Eagan, Peter S. Sheehan, and Eric Williams will remain as portfolio managers of the Fund.***