# EDGAR Filing Document

**Accession Number:** 0000067160
**File Stem:** 0001104659-23-037211
**Filing Date:** 2023-3
**Character Count:** 2203
**Document Hash:** 3842f0cb55341a1bf0b39014cd6f0905
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-23-037211.hdr.sgml**: 20230328

**ACCESSION NUMBER**: 0001104659-23-037211

**CONFORMED SUBMISSION TYPE**: 497K

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230328

**DATE AS OF CHANGE**: 20230327

**EFFECTIVENESS DATE**: 20230328

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MML SERIES INVESTMENT FUND
- **CENTRAL INDEX KEY:** 0000067160
- **IRS NUMBER:** 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:** 23765596

**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 Small Cap Growth Equity Fund (Series ID: S000003827)

| Class ID   | Class Name    | Ticker Symbol   |
|:---|:---|:---|
| C000010669 | Initial Class |  |
| C000067764 | Service Class |  |

**MML SERIES INVESTMENT FUND MML Small Cap Growth Equity Fund Supplement dated March 28, 2023 to the Prospectus dated May 1, 2022 and the Summary Prospectus dated May 1, 2022** 

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.

 *The information for **John V. Schneider** found under the heading **Portfolio Manager(s)** in the section titled **Management** (page 69 of the Prospectus) as well as under the heading **Subadvisers and Portfolio Managers** in the section titled **Management of the Funds** on page 122 of the Prospectus, is hereby removed.* 

#### PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE

#### L7352-22-08 SCG-22-01

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