# EDGAR Filing Document

**Accession Number:** 0000067160
**File Stem:** 0001398344-23-004815
**Filing Date:** 2023-2
**Character Count:** 11278
**Document Hash:** d4ec34c8bd4e270848fec9155cfe967b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001398344-23-004815.hdr.sgml**: 20230227

**ACCESSION NUMBER**: 0001398344-23-004815

**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:** 23671576

**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 Growth Allocation Fund (Series ID: S000018542)

| Class ID   | Class Name    | Ticker Symbol   |
|:---|:---|:---|
| C000051438 | Initial Class |  |
| C000067781 | Service Class |  |

## 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 Growth Allocation Fund

- **b. EDGAR series identifier (if any):** S000018542

- **c. LEI of Series:** 549300OHEZTGTW6ANP74

**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:** $922227408.60

**Total Liabilities:** $1154537.46

**Net Assets:** $921072871.14

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000051438 | -3.02%               | 6.28%                | 5.76%                |
| Class ID C000067781 | -3.05%               | 6.36%                | 5.67%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-1765506.61             | $-27532390.41                              |
| Month 2  | $-1216158.41             | $58414015.85                               |
| Month 3  | $-4065013.07             | $52993942.46                               |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| INVESCO VI GLOBAL STRATEGIC IN | INVESCO GLB STRTR INC SI   | CUSIP: 00900X884<br>LEI: 549300NCC31DI84NL880 | Long             | EC               | RF                | US        |   2715969 | NS      | $10700916.85  | 1.16%             |  |  |  | No            |                  1 | On Loan: No      |
| MML BLUE CHIP GROWTH FD        | MUTUAL FUND                | CUSIP: 553097742<br>LEI: VQ1HG47DNRJG3HBJH467 | Long             | EC               | RF                | US        |   5642930 | NS      | $60379356.30  | 6.56%             |  |  |  | No            |                  1 | On Loan: No      |
| MML DYNAMIC BOND FUND          | DYNAMIC BD FD CL II        | CUSIP: 55312G689<br>LEI: 54930080JS98DQHKPB49 | Long             | EC               | RF                | US        |   5737700 | NS      | $47737661.72  | 5.18%             |  |  |  | No            |                  1 | On Loan: No      |
| MML EQUITY INCOME FD           | MUTUAL FUND                | CUSIP: 553097775<br>LEI: 549300NLQECK0VBFCG40 | Long             | EC               | RF                | US        |   6238775 | NS      | $63011625.14  | 6.84%             |  |  |  | No            |                  1 | On Loan: No      |
| MML FOCUSED EQUITY FUND        | MUTUAL FUND                | CUSIP: 553097197<br>LEI: 549300SLRZRGITT1HD33 | Long             | EC               | RF                | US        |  13906506 | NS      | $100683103.24 | 10.93%            |  |  |  | No            |                  1 | On Loan: No      |
| MML FOREIGN FD                 | MUTUAL FUND                | CUSIP: 553097650<br>LEI: VQ1HG47DNRJG3HBJH467 | Long             | EC               | RF                | US        |   3484014 | NS      | $28986995.91  | 3.15%             |  |  |  | No            |                  1 | On Loan: No      |
| MML FUNDAMENTAL GROWTH FUND    | MUTUAL FUND                | CUSIP: 553097171<br>LEI: 5493004SX3XV4PR5XZ31 | Long             | EC               | RF                | US        |   6586714 | NS      | $55064925.70  | 5.98%             |  |  |  | No            |                  1 | On Loan: No      |
| MML FUNDAMENTAL VALUE FUND     | MUTUAL FUND                | CUSIP: 553097213<br>LEI: 549300C6NIUE0KC40C89 | Long             | EC               | RF                | US        |   4673823 | NS      | $53515272.35  | 5.81%             |  |  |  | No            |                  1 | On Loan: No      |
| MML GLOBAL FD                  | MUTUAL FUND                | CUSIP: 553097668<br>LEI: VQ1HG47DNRJG3HBJH467 | Long             | EC               | RF                | US        |   9597161 | NS      | $38388645.62  | 4.17%             |  |  |  | No            |                  1 | On Loan: No      |
| MML HIGH YIELD FUND            | MUTUAL FUND                | CUSIP: 55312G739<br>LEI: 54930080JS98DQHKPB49 | Long             | EC               | RF                | US        |    457046 | NS      | $3729492.50   | 0.40%             |  |  |  | No            |                  1 | On Loan: No      |
| MML INCOME AND GROWTH FD       | MUTUAL FUND                | CUSIP: 553097767<br>LEI: UQWC7R69CJ01IKYBPI08 | Long             | EC               | RF                | US        |   4889842 | NS      | $52908086.95  | 5.74%             |  |  |  | No            |                  1 | On Loan: No      |
| MML INFLATION PROTECTED BD FD  | MUTUAL FUND                | CUSIP: 55312G200<br>LEI: 54930080JS98DQHKPB49 | Long             | EC               | RF                | US        |   1532767 | NS      | $13289093.99  | 1.44%             |  |  |  | No            |                  1 | On Loan: No      |
| MML INTERNATIONAL EQUITY FUND  | MUTUAL FUND                | CUSIP: 553097155<br>LEI: 549300H6NY8A0TMQJW78 | Long             | EC               | RF                | US        |   8835677 | NS      | $77577248.07  | 8.42%             |  |  |  | No            |                  1 | On Loan: No      |
| MML LARGE CAP GROWTH FD        | MUTUAL FUND                | CUSIP: 553097734<br>LEI: 5493005JIDUT7TI47C17 | Long             | EC               | RF                | US        |   4336179 | NS      | $42537918.20  | 4.62%             |  |  |  | No            |                  1 | On Loan: No      |
| MML MANAGED BOND FUND          | MUTUAL FUND                | CUSIP: 55312G309<br>LEI: P1YXM1SSOECE52ITGE86 | Long             | EC               | RF                | US        |   6596526 | NS      | $69919276.30  | 7.59%             |  |  |  | No            |                  1 | On Loan: No      |
| MML MID CAP GROWTH FD          | MUTUAL FUND                | CUSIP: 553097692<br>LEI: VQ1HG47DNRJG3HBJH467 | Long             | EC               | RF                | US        |   3887032 | NS      | $34167009.13  | 3.71%             |  |  |  | No            |                  1 | On Loan: No      |
| MML MID CAP VALUE FD           | MUTUAL FUND                | CUSIP: 553097718<br>LEI: VQ1HG47DNRJG3HBJH467 | Long             | EC               | RF                | US        |   3943977 | NS      | $36166269.86  | 3.93%             |  |  |  | No            |                  1 | On Loan: No      |
| MML SHORT DURATION BOND FUND   | MUTUAL FUND                | CUSIP: 55312G754<br>LEI: 54930080JS98DQHKPB49 | Long             | EC               | RF                | US        |   2612970 | NS      | $22602190.23  | 2.45%             |  |  |  | No            |                  1 | On Loan: No      |
| MML SMALL CAP GROWTH EQUITY FD | MUTUAL FUND                | CUSIP: 553097205<br>LEI: HQ4SSOSDU7DRRXL6HW28 | Long             | EC               | RF                | US        |    961885 | NS      | $8101752.01   | 0.88%             |  |  |  | No            |                  1 | On Loan: No      |
| MML SMALL COMPANY VALUE FUND   | MUTUAL FUND                | CUSIP: 553097262<br>LEI: VQ1HG47DNRJG3HBJH467 | Long             | EC               | RF                | US        |   2819963 | NS      | $20952324.71  | 2.27%             |  |  |  | No            |                  1 | On Loan: No      |
| MML SMALL/MID CAP VALUE        | MUTUAL FUND                | CUSIP: 553097684<br>LEI: VQ1HG47DNRJG3HBJH467 | Long             | EC               | RF                | US        |   1029426 | NS      | $9141302.90   | 0.99%             |  |  |  | No            |                  1 | On Loan: No      |
| MML STRG EMERGING MARKETS FUND | MUTUAL FUND                | CUSIP: 55312G770<br>LEI: 54930080JS98DQHKPB49 | Long             | EC               | RF                | US        |   2805412 | NS      | $13550140.10  | 1.47%             |  |  |  | No            |                  1 | On Loan: No      |
| MML TOTAL RETURN BOND FUND     | MUTUAL FUND                | CUSIP: 553097221<br>LEI: VQ1HG47DNRJG3HBJH467 | Long             | EC               | RF                | US        |   6057697 | NS      | $53186581.75  | 5.77%             |  |  |  | No            |                  1 | On Loan: No      |
| PIMCO VARIABLE INSURANCE TRUST | PIMCO VIT LG TERM GOVT INS | CUSIP: 693394710<br>LEI: N/A                  | Long             | EC               | RF                | US        |    690284 | NS      | $5404923.61   | 0.59%             |  |  |  | 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