# EDGAR Filing Document

**Accession Number:** 0000052136
**File Stem:** 0001193125-26-247797
**Filing Date:** 2026-5
**Character Count:** 9905
**Document Hash:** 41101622cbab254844ae0a89164a1371
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-247797.hdr.sgml**: 20260529

**ACCESSION NUMBER**: 0001193125-26-247797

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260529

**DATE AS OF CHANGE**: 20260529

**EFFECTIVENESS DATE**: 20260529

**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:** 261042799

**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 Strategic Alpha Fund (Series ID: S000030600)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class A    | LABAX         | C000094853 |
| Class C    | LABCX         | C000094854 |
| Class Y    | LASYX         | C000094855 |
| Class N    | LASNX         | C000190722 |

---

### 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 |

---

## Series and Classes Contracts Data

### Loomis Sayles Strategic Alpha Fund (Series ID: S000030600)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000094853 | Class A      | LABAX           |
| C000094854 | Class C      | LABCX           |
| C000094855 | Class Y      | LASYX           |
| C000190722 | Class N      | LASNX           |

### 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           |

*Supplement dated May 29, 2026 to the Fund's Statement of Additional Information ("SAI"), dated April 1, 2026 as may be revised or supplemented from time to time.* 

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

**(the "Fund")** 

***Effective June 30, 2026, Christopher Romanelli will join the portfolio management team of the Loomis Sayles Senior Floating Rate and Fixed Income Fund.***

Matthew J. Eagan, Peter S. Sheehan, and Eric Williams will remain as portfolio managers of the Loomis Sayles Senior Floating Rate and Fixed Income Fund.

***Accordingly, effective June 30, 2026, the sub-sections "Portfolio Managers' Management of Other Accounts" and "Portfolio Managers' Ownership of Fund Shares" within the section "Portfolio Management Information" of the SAI is amended to include the following:***

**Portfolio Managers' Management of Other Accounts** 

The following table provides information on the other accounts managed by Mr. Romanelli as of March 31, 2026:

---

| | | | | | | | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|:---|:---|:---|:---|:---|:---|
| | **Registered Investment**<br>**Companies** | **Registered Investment**<br>**Companies** | **Registered Investment**<br>**Companies** | **Registered Investment**<br>**Companies** | **Other Pooled Investment**<br>**Vehicles** | **Other Pooled Investment**<br>**Vehicles** | **Other Pooled Investment**<br>**Vehicles** | **Other Pooled Investment**<br>**Vehicles** | **Other Accounts** | **Other Accounts** | **Other Accounts** | **Other Accounts** |
| | **Other**<br>**Accounts**<br>**Managed** | **Other**<br>**Accounts**<br>**Managed** | **Advisory Fee<br>is Based on<br>Performance** | **Advisory Fee<br>is Based on<br>Performance** | **Other**<br>**Accounts**<br>**Managed** | **Other**<br>**Accounts**<br>**Managed** | **Advisory fee<br>is Based on<br>Performance** | **Advisory fee<br>is Based on<br>Performance** | **Other**<br>**Accounts**<br>**Managed** | **Other**<br>**Accounts**<br>**Managed** | **Advisory Fee<br>is Based on<br>Performance** | **Advisory Fee<br>is Based on<br>Performance** |
| **Name of**<br> **Portfolio**<br> **Manager** | **# of<br>Accts** | **Total**<br>**Assets** | **# of<br>Accts** | **Total<br>Assets** | **# of<br>Accts** | **Total**<br>**Assets** | **# of<br>Accts** | **Total<br>Assets** | **# of<br>Accts** | **Total**<br>**Assets** | **# of<br>Accts** | **Total<br>Assets** |
|  Christopher J. Romanelli | 1 | $66.4 million | 0 | $0 | 1 | $72.2 million | 0 | $0 | 4 | $829.8 million | 0 | $0 |

---

**Portfolio Managers' Ownership of Fund Shares** 

As of March 31, 2026, Mr. Romanelli had the following ownership of the Fund:

---

| | |
|:---|:---|
| **Name of Portfolio Manager** | **Fund(s) Managed** |
| Christopher J. Romanelli | Loomis Sayles Senior Floating Rate and Fixed Income Fund B |

---

<sup>\*</sup> A. None

B. $1 – 10,000 <br>

C. $10,001 – $50,000 <br>

D. $50,001 – $100,000 <br>

E. $100,001 – $500,000 <br>

F. $500,001 – $1,000,000 <br>

G. over $1,000,000 <br>

------

*Supplement dated May 29, 2026 to the Funds' Statement of Additional Information ("SAI"), dated May 1, 2026 as may be revised or supplemented from time to time.* 

**LOOMIS SAYLES HIGH INCOME FUND** 

**LOOMIS SAYLES INVESTMENT GRADE BOND FUND** 

**LOOMIS SAYLES STRATEGIC ALPHA FUND** 

**LOOMIS SAYLES STRATEGIC INCOME FUND** 

**(each, a "Fund," together, the "Funds")** 

***Effective June 30, 2026, Christopher Romanelli will join the portfolio management team of the Loomis Sayles High Income Fund.***

Matthew J. Eagan, Brian P. Kennedy, Peter S. Sheehan, and Eric Williams will remain as portfolio managers of the Loomis Sayles High Income Fund.

***Effective June 30, 2026, Bryan Hazelton and Scott Darci will join the portfolio management team of the Loomis Sayles Investment Grade Bond Fund, Loomis Sayles Strategic Alpha Fund, and Loomis Sayles Strategic Income Fund.***

Matthew J. Eagan and Brian P. Kennedy will remain as portfolio managers of the Loomis Sayles Investment Grade Bond Fund, Loomis Sayles Strategic Alpha Fund, and Loomis Sayles Strategic Income Fund.

***Accordingly, effective June 30, 2026, the sub-sections "Portfolio Managers' Management of Other Accounts" and "Portfolio Managers' Ownership of Fund Shares" within the section "Portfolio Management Information" of the SAI is amended to include the following:***

**Portfolio Managers' Management of Other Accounts** 

The following table provides information on the other accounts managed by Mr. Darci, Mr. Hazelton, and Mr. Romanelli as of March 31, 2026:

---

| | | | | | | | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|:---|:---|:---|:---|:---|:---|
| | **Registered Investment**<br>**Companies** | **Registered Investment**<br>**Companies** | **Registered Investment**<br>**Companies** | **Registered Investment**<br>**Companies** | **Other Pooled Investment**<br>**Vehicles** | **Other Pooled Investment**<br>**Vehicles** | **Other Pooled Investment**<br>**Vehicles** | **Other Pooled Investment**<br>**Vehicles** | **Other Accounts** | **Other Accounts** | **Other Accounts** | **Other Accounts** |
| | **Other**<br>**Accounts**<br>**Managed** | **Other**<br>**Accounts**<br>**Managed** | **Advisory Fee<br>is Based on**<br>**Performance** | **Advisory Fee<br>is Based on**<br>**Performance** | **Other**<br>**Accounts**<br>**Managed** | **Other**<br>**Accounts**<br>**Managed** | **Advisory fee<br>is Based on<br>Performance** | **Advisory fee<br>is Based on<br>Performance** | **Other**<br>**Accounts**<br>**Managed** | **Other**<br>**Accounts**<br>**Managed** | **Advisory Fee<br>is Based on<br>Performance** | **Advisory Fee<br>is Based on<br>Performance** |
| **Name of**<br> **Portfolio**<br> **Manager** | **# of<br>Accts** | **Total**<br>**Assets** | **# of<br>Accts** | **Total<br>Assets** | **# of<br>Accts** | **Total**<br>**Assets** | **# of<br>Accts** | **Total<br>Assets** | **# of<br>Accts** | **Total**<br>**Assets** | **# of<br>Accts** | **Total<br>Assets** |
|  Scott A. Darci<br> (Loomis Sayles) | 0 | $0 | 0 | $0 | 4 | $475 million | 0 | $0 | 0 | $0 | 0 | $0 |
|  Bryan C. Hazelton<br> (Loomis Sayles) | 0 | $0 | 0 | $0 | 0 | $0 | 0 | $0 | 16 | $3.7 billion | 0 | $0 |
|  Christopher J. Romanelli<br> (Loomis Sayles) | 1 | $66.4 million | 0 | $0 | 1 | $72.2 million | 0 | $0 | 4 | $829.8 million | 0 | $0 |

---

------

**Portfolio Managers' Ownership of Fund Shares** 

As of March 31, 2026, Mr. Darci, Mr. Hazelton, and Mr. Romanelli had the following ownership of the Funds:

---

| | |
|:---|:---|
| **Name of Portfolio Manager** | **Fund(s) Managed** |
| Scott A. Darci (Loomis Sayles) | Loomis Sayles Investment Grade Bond Fund<br> Loomis Sayles Strategic Alpha Fund<br> Loomis Sayles Strategic Income Fund<br> E<br> A<br> A |
| Bryan C. Hazelton (Loomis Sayles) | Loomis Sayles Investment Grade Bond Fund<br> Loomis Sayles Strategic Alpha Fund<br> Loomis Sayles Strategic Income Fund<br> C<br> A<br> A |
| Christopher J. Romanelli (Loomis Sayles) | Loomis Sayles High Income Fund A |

---

<sup>\*</sup> A. None

B. $1 – 10,000 <br>

C. $10,001 – $50,000 <br>

D. $50,001 – $100,000 <br>

E. $100,001 – $500,000 <br>

F. $500,001 – $1,000,000 <br>

G. over $1,000,000 <br>