# EDGAR Filing Document

**Accession Number:** 0001317146
**File Stem:** 0001133228-26-002972
**Filing Date:** 2026-3
**Character Count:** 3009
**Document Hash:** 30d8cb53fd629ae91ae1be171f6af368
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001133228-26-002972.hdr.sgml**: 20260304

**ACCESSION NUMBER**: 0001133228-26-002972

**CONFORMED SUBMISSION TYPE**: 497K

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260304

**DATE AS OF CHANGE**: 20260304

**EFFECTIVENESS DATE**: 20260304

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MML Series Investment Fund II
- **CENTRAL INDEX KEY:** 0001317146

**ORGANIZATION NAME:**
- **EIN:** 043557005
- **STATE OF INCORPORATION:** MA

**FILING VALUES:**
- **FORM TYPE:** 497K
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-122804
- **FILM NUMBER:** 26721675

**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

## Series and Classes Contracts Data

### MML Invesco Discovery Large Cap Fund (Series ID: S000091876)

| Class ID   | Class Name      | Ticker Symbol   |
|:---|:---|:---|
| C000259725 | Service Class I |  |
| C000259726 | Class II        |  |

#### MML SERIES INVESTMENT FUND II<br>

#### MML Invesco Discovery Large Cap Fund<br>

#### Supplement dated March 4, 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 immediately, the following information supplements the information found under the heading **Portfolio Manager(s)** in the section titled **Management** (on page 26 of the Prospectus):* 

#### Ido Cohen is a Portfolio Manager at Invesco Advisers. He has managed the Fund since February 2026.
*Effective immediately, the following information supplements the information for **Invesco Advisers, Inc.** found under the heading **Subadvisers and Portfolio Managers** in the section titled **Management of the Funds** beginning on page 99 of the Prospectus:* 

#### Ido Cohen <br>
**is a portfolio manager of the *MML Invesco Discovery Large Cap Fund.* Mr. Cohen is a Portfolio Manager at Invesco Advisers. He has been associated with Invesco Advisers and/or its affiliates since 2010. Prior to joining Invesco Advisers, he was a Vice President at J&W Seligman Investments, where he worked as a Senior Analyst focusing on information technology, media, and telecommunications equities. Prior to joining J&W Seligman Investments, he served as Senior Analyst and Co-Head of the U.S. equities telecommunications research team at Credit Suisse. Prior to joining Credit Suisse, Mr. Cohen served on an investment team focused on technology, media, and telecommunications at Diamondback Capital.** 

#### PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE

#### MMLIIPRO-25-06<br>

#### DL-25-02