# EDGAR Filing Document

**Accession Number:** 0001317146
**File Stem:** 0001133228-25-007704
**Filing Date:** 2025-7
**Character Count:** 7184
**Document Hash:** 55218c598c3f02cb4fb5e93a7be9e5f7
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001133228-25-007704.hdr.sgml**: 20250729

**ACCESSION NUMBER**: 0001133228-25-007704

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250729

**DATE AS OF CHANGE**: 20250729

**EFFECTIVENESS DATE**: 20250729

**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:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-122804
- **FILM NUMBER:** 251161325

**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 Blend Fund (Series ID: S000003830)

---

|  |  |
|:---|:---|
| Class Name    | Class ID   |
| Initial Class | C000010686 |
| Service Class | C000067851 |

---

### MML Equity Fund (Series ID: S000003832)

---

|  |  |
|:---|:---|
| Class Name    | Class ID   |
| Initial Class | C000010688 |
| Service Class | C000067853 |

---

### MML Inflation-Protected and Income Fund (Series ID: S000003833)

---

|  |  |
|:---|:---|
| Class Name    | Class ID   |
| Initial Class | C000010689 |
| Service Class | C000067854 |

---

### MML Managed Bond Fund (Series ID: S000003834)

---

|  |  |
|:---|:---|
| Class Name    | Class ID   |
| Initial Class | C000010690 |
| Service Class | C000067855 |

---

### MML U.S. Government Money Market Fund (Series ID: S000003835)

---

|  |  |
|:---|:---|
| Class Name    | Class ID   |
| Initial Class | C000010691 |

---

### MML Small Cap Equity Fund (Series ID: S000003836)

---

|  |  |
|:---|:---|
| Class Name    | Class ID   |
| Initial Class | C000010692 |
| Service Class | C000067857 |

---

### MML Short-Duration Bond Fund (Series ID: S000028330)

---

|  |  |
|:---|:---|
| Class Name      | Class ID   |
| Class II        | C000086554 |
| Service Class I | C000086555 |

---

### MML iShares 60/40 Allocation Fund (Series ID: S000071681)

---

|  |  |
|:---|:---|
| Class Name      | Class ID   |
| Service Class I | C000227125 |
| Class II        | C000227126 |

---

### MML iShares 80/20 Allocation Fund (Series ID: S000071682)

---

|  |  |
|:---|:---|
| Class Name      | Class ID   |
| Service Class I | C000227127 |
| Class II        | C000227128 |

---

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

---

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

---

### MML Invesco Discovery Mid Cap Fund (Series ID: S000091877)

---

|  |  |
|:---|:---|
| Class Name      | Class ID   |
| Service Class I | C000259727 |
| Class II        | C000259728 |

---

## Series and Classes Contracts Data

### MML Blend Fund (Series ID: S000003830)

| Class ID   | Class Name    | Ticker Symbol   |
|:---|:---|:---|
| C000010686 | Initial Class |  |
| C000067851 | Service Class |  |

### MML Equity Fund (Series ID: S000003832)

| Class ID   | Class Name    | Ticker Symbol   |
|:---|:---|:---|
| C000010688 | Initial Class |  |
| C000067853 | Service Class |  |

### MML Inflation-Protected and Income Fund (Series ID: S000003833)

| Class ID   | Class Name    | Ticker Symbol   |
|:---|:---|:---|
| C000010689 | Initial Class |  |
| C000067854 | Service Class |  |

### MML Managed Bond Fund (Series ID: S000003834)

| Class ID   | Class Name    | Ticker Symbol   |
|:---|:---|:---|
| C000010690 | Initial Class |  |
| C000067855 | Service Class |  |

### MML U.S. Government Money Market Fund (Series ID: S000003835)

| Class ID   | Class Name    | Ticker Symbol   |
|:---|:---|:---|
| C000010691 | Initial Class |  |

### MML Small Cap Equity Fund (Series ID: S000003836)

| Class ID   | Class Name    | Ticker Symbol   |
|:---|:---|:---|
| C000010692 | Initial Class |  |
| C000067857 | Service Class |  |

### MML Short-Duration Bond Fund (Series ID: S000028330)

| Class ID   | Class Name      | Ticker Symbol   |
|:---|:---|:---|
| C000086554 | Class II        |  |
| C000086555 | Service Class I |  |

### MML iShares 60/40 Allocation Fund (Series ID: S000071681)

| Class ID   | Class Name      | Ticker Symbol   |
|:---|:---|:---|
| C000227125 | Service Class I |  |
| C000227126 | Class II        |  |

### MML iShares 80/20 Allocation Fund (Series ID: S000071682)

| Class ID   | Class Name      | Ticker Symbol   |
|:---|:---|:---|
| C000227127 | Service Class I |  |
| C000227128 | Class II        |  |

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

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

### MML Invesco Discovery Mid Cap Fund (Series ID: S000091877)

| Class ID   | Class Name      | Ticker Symbol   |
|:---|:---|:---|
| C000259727 | Service Class I |  |
| C000259728 | Class II        |  |

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

#### MML Blend Fund<br>

#### MML Equity Fund<br>

#### MML Inflation-Protected and Income Fund<br>

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

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

#### MML iShares<sup>®</sup> 60/40 Allocation Fund<br>

#### MML iShares<sup>®</sup> 80/20 Allocation Fund<br>

#### MML Managed Bond Fund<br>

#### MML Short-Duration Bond Fund<br>

#### MML Small Cap Equity Fund<br>

#### MML U.S. Government Money Market Fund<br>

#### Supplement dated July 29, 2025 to the<br>

#### Statement of Additional Information dated April 25, 2025
This supplement provides new and additional information beyond that contained in the Statement of Additional Information ("SAI"). It should be retained and read in conjunction with the SAI.

*Effective immediately, the following information supplements the information beginning on page B-55 under the heading **Principal Officers** in the section titled **Management of the Trust**:* 

---

| | |
|:---|:---|
| **Brian Pelkola** | Vice President of the Trust |
| 1295 State Street |  |
| Springfield, MA 01111-0001 |  |
| Year of birth: 1984 |  |
| Officer of the Trust since 2025 |  |
| Officer of 84 portfolios in fund complex |  |

---

Director of Product Management (since 2025), Senior Product Manager (2022-2025), MML Advisers; Director of Product Management (since 2025), Senior Product Manager (2022-2025), MassMutual; Senior Fund Administration Supervisor (2020-2022) Massachusetts Financial Services Company; Vice President (since 2025), MassMutual Select Funds (open-end investment company); Vice President (since 2025), MassMutual Premier Funds (open-end investment company); Vice President (since 2025), MassMutual Advantage Funds (open-end investment company); Vice President (since 2025), MML Series Investment Fund (open-end investment company); Vice President (since 2025), MML Series Investment Fund II (open-end investment company).

#### PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE

#### MMLIISAI-25-01

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