# EDGAR Filing Document

**Accession Number:** 0000067160
**File Stem:** 0001398344-23-004803
**Filing Date:** 2023-2
**Character Count:** 5090
**Document Hash:** 0a55dde9bcc1b8c0c80c802562c361b0
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001398344-23-004803.hdr.sgml**: 20230227

**ACCESSION NUMBER**: 0001398344-23-004803

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20221231

**FILED AS OF DATE**: 20230227

**DATE AS OF CHANGE**: 20230227

**PERIOD START**: 20221231

**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:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-02224
- **FILM NUMBER:** 23671572

**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 American Funds Core Allocation Fund (Series ID: S000023210)

| Class ID   | Class Name      | Ticker Symbol   |
|:---|:---|:---|
| C000067576 | Service Class I |  |

## Form NPORT-P: Monthly Portfolio Investments Report

### NPORT-P: Part A: General Information

**Item A.1. Information about the Registrant.**

- **a. Name of Registrant:** MML SERIES INVESTMENT FUND

- **b. Investment Company Act file number:** 811-02224

- **c. CIK number of Registrant:** 0000067160

- **d. LEI of Registrant:** VQ1HG47DNRJG3HBJH467

- **e. Address and telephone number of Registrant.**

  - **Street Address 1:** 1295 State Street

  - **City:** Springfield

  - **State:** MA

  - **Foreign country:** US

  - **Zip / Postal Code:** 01111-0001

  - **Telephone number:** 4137441000

**Item A.2. Information about the Series.**

- **a. Name of Series:** MML American Funds Core Allocation Fund

- **b. EDGAR series identifier (if any):** S000023210

- **c. LEI of Series:** 549300RK1R4479LIXQ81

**Item A.3. Reporting period.**

- **a. Date of fiscal year-end:** 2022-12-31

- **b. Date as of which information is reported:** 2022-12-31

**Item A.4. Final filing**

Does the Fund anticipate that this will be its final filing on Form N-PORT? **No**

### Fund Information

**Total Assets:** $705770031.59

**Total Liabilities:** $902035.29

**Net Assets:** $704867996.30

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000067576 | -2.72%               | 6.06%                | 4.57%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-1546138.86             | $-31769819.77                              |
| Month 2  | $-918065.18              | $43449875.97                               |
| Month 3  | $-1314947.98             | $32420165.49                               |

### Schedule of Portfolio Investments

| Name                           | Title                        | Identifiers                                   | Payoff Profile   | Asset Category   | Issuer Category   | Country   |   Balance | Units   | Value (USD)   | % of Net Assets   | Maturity Date   | Coupon Type   | Annualized Rate (%)   | Restricted?   |   Fair Value Level | Lending Status   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| AMER FD INS INTERNATIONAL FD   | INTL FD                      | CUSIP: 030372700<br>LEI: 5493006ZFTN01BKM5294 | Long             | EC               | RF                | US        |   5537439 | NS      | $84778187.97  | 12.03%            |  |  |  | No            |                  1 | On Loan: No      |
| AMER FDS INS BLUE CHIP INC GRT | BLUE CHIP INCOME + GROWTH FD | CUSIP: 030372692<br>LEI: 5493006ZFTN01BKM5294 | Long             | EC               | RF                | US        |  14767990 | NS      | $187405788.70 | 26.59%            |  |  |  | No            |                  1 | On Loan: No      |
| AMER FDS INS BOND FD           | BD FD                        | CUSIP: 030372809<br>LEI: 5493006ZFTN01BKM5294 | Long             | EC               | RF                | US        |  26357841 | NS      | $248027285.65 | 35.19%            |  |  |  | No            |                  1 | On Loan: No      |
| AMER FDS INS GRWTH INC FD      | GROWTH INCOME FD             | CUSIP: 030372304<br>LEI: 5493006ZFTN01BKM5294 | Long             | EC               | RF                | US        |   3693149 | NS      | $185432997.13 | 26.31%            |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2023-02-23

**Name of Applicant:** MML SERIES INVESTMENT FUND

**Signature:** /s/ Renee Hitchcock

**Name of Signer:** Renee Hitchcock

**Title:** Treasurer and CFO