# EDGAR Filing Document

**Accession Number:** 0000067160
**File Stem:** 0001133228-26-001143
**Filing Date:** 2026-1
**Character Count:** 3229
**Document Hash:** d1578173c9e48c26b7ce95fc0fbcf00a
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001133228-26-001143.hdr.sgml**: 20260130

**ACCESSION NUMBER**: 0001133228-26-001143

**CONFORMED SUBMISSION TYPE**: 497K

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260130

**DATE AS OF CHANGE**: 20260130

**EFFECTIVENESS DATE**: 20260130

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MML SERIES INVESTMENT FUND
- **CENTRAL INDEX KEY:** 0000067160

**ORGANIZATION NAME:**
- **EIN:** 042476032
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497K
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-39334
- **FILM NUMBER:** 26581356

**BUSINESS ADDRESS:**
- **STREET 1:** 1295 STATE STREET
- **CITY:** SPRINGFIELD
- **STATE:** MA
- **ZIP:** 01111
- **BUSINESS PHONE:** 413-744-1000

**MAIL ADDRESS:**
- **STREET 1:** 1295 STATE STREET
- **CITY:** SPRINGFIELD
- **STATE:** MA
- **ZIP:** 01111

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MML EQUITY INVESTMENT CO INC
- **DATE OF NAME CHANGE:** 19850227

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MML INVESTMENT CO INC
- **DATE OF NAME CHANGE:** 19811109

## Series and Classes Contracts Data

### MML Income & Growth Fund (Series ID: S000011483)

| Class ID   | Class Name    | Ticker Symbol   |
|:---|:---|:---|
| C000031713 | Initial Class |  |
| C000067771 | Service Class |  |

#### MML SERIES INVESTMENT FUND<br>

#### MML Income & Growth Fund<br>

#### Supplement dated January 30, 2026 to the<br>

#### Prospectus dated April 25, 2025 and the<br>

#### Summary Prospectus dated April 25, 2025
This supplement provides new and additional information beyond that contained in the Prospectus and Summary Prospectus, and any previous supplements. It should be retained and read in conjunction with the Prospectus and Summary Prospectus, and any previous supplements.

*Effective as of January 31, 2026, the information for **Pranay Laharia** found under the heading **Portfolio Manager(s)** in the section titled **Management** (on page 40 of the Prospectus)and under the heading **Subadvisers and Portfolio Managers** in the section titled **Management of the Funds** on page 120 of the Prospectus, is hereby deleted.* 

*Effective February 1, 2026, the following information will supplement the information found under the heading **Portfolio Manager(s)** in the section titled **Management** (on page 40 of the Prospectus):* 

#### Luis P. Rhi is a Managing Director and Portfolio Manager at Barrow Hanley. He has managed the Fund since February 2026.
*Effective February 1, 2026, the following information will supplement the information found under the heading **Subadvisers and Portfolio Managers** in the section titled **Management of the Funds** on page 120 of the Prospectus:* 

#### Luis P. Rhi __________________________________________________________________________________ <br>
is a portfolio manager of the ***MML Income & Growth Fund.*** Mr. Rhi joined Barrow Hanley in 2017 and currently serves as a Managing Director. Prior to joining Barrow Hanley, Mr. Rhi worked at BNY Mellon where he served as a senior equity analyst and sector portfolio manager.

#### PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE

#### MMLPRO-25-13<br>

#### IG-25-01