# EDGAR Filing Document

**Accession Number:** 0000067160
**File Stem:** 0001398344-23-004810
**Filing Date:** 2023-2
**Character Count:** 12196
**Document Hash:** 57e7b0bad41487ea4c7f933d2c444ed7
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001398344-23-004810.hdr.sgml**: 20230227

**ACCESSION NUMBER**: 0001398344-23-004810

**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:** 23671571

**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 Focused Equity Fund (Series ID: S000034945)

| Class ID   | Class Name      | Ticker Symbol   |
|:---|:---|:---|
| C000107473 | Class II        |  |
| C000107474 | 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 Focused Equity Fund

- **b. EDGAR series identifier (if any):** S000034945

- **c. LEI of Series:** 549300SLRZRGITT1HD33

**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:** $311309179.63

**Total Liabilities:** $464194.11

**Net Assets:** $310844985.52

**Cash Not Reported:** $244.61

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000107473 | -1.63%               | 4.99%                | 10.05%               |
| Class ID C000107474 | -1.85%               | 5.07%                | 10.02%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $967432.55               | $-6922715.75                               |
| Month 2  | $2093114.97              | $13015102.54                               |
| Month 3  | $1168203.15              | $27905393.63                               |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| ACCENTURE PLC CL A          | COMMON STOCK USD.0000225     | CUSIP: G1151C101<br>LEI: 549300JY6CF6DO4YFQ03 | Long             | EC               | CORP              | IE        |     37172 | NS      | $9918976.48   | 3.19%             |  |  |  | No            |                  1 | On Loan: No      |
| AMERICAN EXPRESS CO         | COMMON STOCK USD.2           | CUSIP: 025816109<br>LEI: R4PP93JZOLY261QX3811 | Long             | EC               | CORP              | US        |     63144 | NS      | $9329526.00   | 3.00%             |  |  |  | No            |                  1 | On Loan: No      |
| AMERICAN TOWER CORP         | REIT USD.01                  | CUSIP: 03027X100<br>LEI: 5493006ORUSIL88JOE18 | Long             | EC               | CORP              | US        |     30508 | NS      | $6463424.88   | 2.08%             |  |  |  | No            |                  1 | On Loan: No      |
| BAXTER INTERNATIONAL INC    | COMMON STOCK USD1.0          | CUSIP: 071813109<br>LEI: J5OIVXX3P24RJRW5CK77 | Long             | EC               | CORP              | US        |    116782 | NS      | $5952378.54   | 1.91%             |  |  |  | No            |                  1 | On Loan: No      |
| CHUBB LTD                   | COMMON STOCK                 | CUSIP: H1467J104<br>LEI: E0JAN6VLUDI1HITHT809 | Long             | EC               | CORP              | CH        |     64786 | NS      | $14291791.60  | 4.60%             |  |  |  | No            |                  1 | On Loan: No      |
| COCA COLA CO/THE            | COMMON STOCK USD.25          | CUSIP: 191216100<br>LEI: UWJKFUJFZ02DKWI3RY53 | Long             | EC               | CORP              | US        |     97399 | NS      | $6195550.39   | 1.99%             |  |  |  | No            |                  1 | On Loan: No      |
| COLGATE PALMOLIVE CO        | COMMON STOCK USD1.0          | CUSIP: 194162103<br>LEI: YMEGZFW4SBUSS5BQXF88 | Long             | EC               | CORP              | US        |    172003 | NS      | $13552116.37  | 4.36%             |  |  |  | No            |                  1 | On Loan: No      |
| DANAHER CORP                | COMMON STOCK USD.01          | CUSIP: 235851102<br>LEI: S4BKK9OTCEWQ3YHPFM11 | Long             | EC               | CORP              | US        |     51081 | NS      | $13557919.02  | 4.36%             |  |  |  | No            |                  1 | On Loan: No      |
| ECOLAB INC                  | COMMON STOCK USD1.0          | CUSIP: 278865100<br>LEI: 82DYEISM090VG8LTLS26 | Long             | EC               | CORP              | US        |     80006 | NS      | $11645673.36  | 3.75%             |  |  |  | No            |                  1 | On Loan: No      |
| HONEYWELL INTERNATIONAL INC | COMMON STOCK USD1.0          | CUSIP: 438516106<br>LEI: ISRPG12PN4EIEOEMW547 | Long             | EC               | CORP              | US        |     75092 | NS      | $16092215.60  | 5.18%             |  |  |  | No            |                  1 | On Loan: No      |
| JOHNSON + JOHNSON           | COMMON STOCK USD1.0          | CUSIP: 478160104<br>LEI: 549300G0CFPGEF6X2043 | Long             | EC               | CORP              | US        |     58704 | NS      | $10370061.60  | 3.34%             |  |  |  | No            |                  1 | On Loan: No      |
| LINDE PLC                   | COMMON STOCK EUR.001         | CUSIP: G5494J103<br>LEI: 8945002PAZHZLBGKGF02 | Long             | EC               | CORP              | IE        |     41977 | NS      | $13692057.86  | 4.40%             |  |  |  | No            |                  1 | On Loan: No      |
| LOCKHEED MARTIN CORP        | COMMON STOCK USD1.0          | CUSIP: 539830109<br>LEI: DPRBOZP0K5RM2YE8UU08 | Long             | EC               | CORP              | US        |      7136 | NS      | $3471592.64   | 1.12%             |  |  |  | No            |                  1 | On Loan: No      |
| MARSH + MCLENNAN COS        | COMMON STOCK USD1.0          | CUSIP: 571748102<br>LEI: 549300XMP3KDCKJXIU47 | Long             | EC               | CORP              | US        |     82340 | NS      | $13625623.20  | 4.38%             |  |  |  | No            |                  1 | On Loan: No      |
| MCDONALD S CORP             | COMMON STOCK USD.01          | CUSIP: 580135101<br>LEI: UE2136O97NLB5BYP9H04 | Long             | EC               | CORP              | US        |     44577 | NS      | $11747376.81  | 3.78%             |  |  |  | No            |                  1 | On Loan: No      |
| MEDTRONIC PLC               | COMMON STOCK USD.1           | CUSIP: G5960L103<br>LEI: 549300GX3ZBSQWUXY261 | Long             | EC               | CORP              | IE        |     98780 | NS      | $7677181.60   | 2.47%             |  |  |  | No            |                  1 | On Loan: No      |
| MICROSOFT CORP              | COMMON STOCK USD.00000625    | CUSIP: 594918104<br>LEI: INR2EJN1ERAN0W5ZP974 | Long             | EC               | CORP              | US        |     40198 | NS      | $9640284.36   | 3.10%             |  |  |  | No            |                  1 | On Loan: No      |
| NIKE INC  CL B              | COMMON STOCK                 | CUSIP: 654106103<br>LEI: 787RXPR0UX0O0XUXPZ81 | Long             | EC               | CORP              | US        |    147301 | NS      | $17235690.01  | 5.54%             |  |  |  | No            |                  1 | On Loan: No      |
| NORTHROP GRUMMAN CORP       | COMMON STOCK USD1.0          | CUSIP: 666807102<br>LEI: RIMU48P07456QXSO0R61 | Long             | EC               | CORP              | US        |     22642 | NS      | $12353701.62  | 3.97%             |  |  |  | No            |                  1 | On Loan: No      |
| PEPSICO INC                 | COMMON STOCK USD.017         | CUSIP: 713448108<br>LEI: FJSUNZKFNQ5YPJ5OT455 | Long             | EC               | CORP              | US        |     79143 | NS      | $14297974.38  | 4.60%             |  |  |  | No            |                  1 | On Loan: No      |
| PROCTER + GAMBLE CO/THE     | COMMON STOCK                 | CUSIP: 742718109<br>LEI: 2572IBTT8CCZW6AU4141 | Long             | EC               | CORP              | US        |     84787 | NS      | $12850317.72  | 4.13%             |  |  |  | No            |                  1 | On Loan: No      |
| Repurchase Agreement        | FIXED INC CLEARING CORP.REPO | CUSIP: 85748R009<br>LEI: 549300H47WTHXPU08X20 | Long             | RA               | CORP              | US        |   6841559 | PA      | $6841559.25   | 2.20%             |  |  |  | No            |                  1 | On Loan: No      |
| STRYKER CORP                | COMMON STOCK USD.1           | CUSIP: 863667101<br>LEI: 5493002F0SC4JTBU5137 | Long             | EC               | CORP              | US        |     53028 | NS      | $12964815.72  | 4.17%             |  |  |  | No            |                  1 | On Loan: No      |
| TJX COMPANIES INC           | COMMON STOCK USD1.0          | CUSIP: 872540109<br>LEI: V167QI9I69W364E2DY52 | Long             | EC               | CORP              | US        |    235597 | NS      | $18753521.20  | 6.03%             |  |  |  | No            |                  1 | On Loan: No      |
| UNION PACIFIC CORP          | COMMON STOCK USD2.5          | CUSIP: 907818108<br>LEI: 549300LMMRSZZCZ8CL11 | Long             | EC               | CORP              | US        |     40226 | NS      | $8329597.82   | 2.68%             |  |  |  | No            |                  1 | On Loan: No      |
| UNITEDHEALTH GROUP INC      | COMMON STOCK USD.01          | CUSIP: 91324P102<br>LEI: 549300GHBMY8T5GXDE41 | Long             | EC               | CORP              | US        |     29710 | NS      | $15751647.80  | 5.07%             |  |  |  | No            |                  1 | On Loan: No      |
| VISA INC CLASS A SHARES     | COMMON STOCK USD.0001        | CUSIP: 92826C839<br>LEI: 549300JZ4OKEHW3DPJ59 | Long             | EC               | CORP              | US        |     68882 | NS      | $14310924.32  | 4.60%             |  |  |  | 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