# EDGAR Filing Document

**Accession Number:** 0000067160
**File Stem:** 0001133228-25-009202
**Filing Date:** 2025-8
**Character Count:** 2985
**Document Hash:** 764931eac48fd3ba4e4c7db3395fbd56
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001133228-25-009202.hdr.sgml**: 20250829

**ACCESSION NUMBER**: 0001133228-25-009202

**CONFORMED SUBMISSION TYPE**: N-PX

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250630

**FILED AS OF DATE**: 20250829

**DATE AS OF CHANGE**: 20250829

**EFFECTIVENESS DATE**: 20250829

**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:** N-PX
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-02224
- **FILM NUMBER:** 251278557

**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

## FORM N-PX
### ANNUAL REPORT OF PROXY VOTING RECORD

## N-PX: Filer Information

**Filer CIK:** 0000067160

**Date of Report:** 06/30/2025

**Are you a Registered Management Investment Company or an Institutional Manager?:** Registered Management Investment Company

**Is this a LIVE or TEST Filing?:** LIVE

**Is this an electronic copy of an official filing submitted in paper format?:** [ ]

### Submission Contact Information
_Not provided in this filing._

### Notification Information
**Notify via Filing Website only?:** [ ]

## N-PX: Cover Page

**Name of reporting person:** MML SERIES INVESTMENT FUND

**Address:** 1295 State Street, Springfield, MA 01111-0001

**Telephone number:** 413-744-1000

**Name of agent for service:** Brian D. McCabe, Esq. Ropes  Gray LLP

**Agent Address:** The Prudential Tower, Boston, MA 02199-3600

**Reporting Period:** Report for the year ended 06/30/2025

**SEC File Number:** 811-02224

**CRD Number (if any):** —

**Other SEC File Number (if any):** —

**LEI (if any):** —

**Report Type (check only one):**

Institutional Manager.

- [ ] Institutional Manager Voting Report

- [ ] Institutional Manager Notice Report

- [ ] Institutional Manager Combination Report

Registered Management Investment Company.

- [ ] Fund Voting Report

- [x] Fund Notice Report

**Do you wish to provide explanatory information pursuant to Special Instruction B.4?:**

- [x] No

- [ ] Yes

**Additional information:** —

## N-PX: Summary - Included Managers

**Number of Included Institutional Managers:** —

**Included Institutional Managers:** —

## N-PX: Signature Block

**Reporting Person:** MML SERIES INVESTMENT FUND

**By (Signature):** Douglas Steele

**By (Printed Signature):** Douglas Steele

**By (Title):** President and Principal Executive Officer

**Date:** 08/29/2025