# EDGAR Filing Document

**Accession Number:** 0000067160
**File Stem:** 0001752724-25-201513
**Filing Date:** 2025-8
**Character Count:** 11876
**Document Hash:** c1b7cad065a9489cb52bd9a22e223a28
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-25-201513.hdr.sgml**: 20250825

**ACCESSION NUMBER**: 0001752724-25-201513

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250630

**FILED AS OF DATE**: 20250825

**DATE AS OF CHANGE**: 20250825

**PERIOD START**: 20251231

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MML SERIES INVESTMENT FUND
- **CENTRAL INDEX KEY:** 0000067160

**ORGANIZATION NAME:**
- **EIN:** 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:** 251249099

**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:** 413-744-1000

**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:** 2025-12-31

- **b. Date as of which information is reported:** 2025-06-30

**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:** $244566401.48

**Total Liabilities:** $238543.13

**Net Assets:** $244327858.35

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000107473 | -1.62%               | 4.67%                | 1.44%                |
| Class ID C000107474 | -1.57%               | 4.50%                | 1.67%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-2229904.48             | $-1764311.40                               |
| Month 2  | $-1083737.38             | $11954875.34                               |
| Month 3  | $1684653.64              | $1929107.06                                |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Honeywell International Inc | Honeywell International Inc  | CUSIP: 438516106<br>LEI: ISRPG12PN4EIEOEMW547 | Long             | EC               | CORP              | US        |     42414 | NS      | $9877372.32   | 4.04%             |  |  |  | No            |                  1 | On Loan: No      |
| Intuit Inc                  | Intuit Inc                   | CUSIP: 461202103<br>LEI: VI90HBPH7XSFMB9E4M29 | Long             | EC               | CORP              | US        |     16168 | NS      | $12734401.84  | 5.21%             |  |  |  | No            |                  1 | On Loan: No      |
| Accenture PLC               | Accenture PLC                | CUSIP: 000000000<br>LEI: 5493000EWHDSR3MZWH98 | Long             | EC               | CORP              | IE        |     29084 | NS      | $8692916.76   | 3.56%             |  |  |  | No            |                  1 | On Loan: No      |
| Union Pacific Corp          | Union Pacific Corp           | CUSIP: 907818108<br>LEI: 549300LMMRSZZCZ8CL11 | Long             | EC               | CORP              | US        |     14688 | NS      | $3379415.04   | 1.38%             |  |  |  | No            |                  1 | On Loan: No      |
| McDonald's Corp             | McDonald's Corp              | CUSIP: 580135101<br>LEI: UE2136O97NLB5BYP9H04 | Long             | EC               | CORP              | US        |     38403 | NS      | $11220204.51  | 4.59%             |  |  |  | No            |                  1 | On Loan: No      |
| Chubb Ltd                   | Chubb Ltd                    | CUSIP: 000000000<br>LEI: E0JAN6VLUDI1HITHT809 | Long             | EC               | CORP              | CH        |     32855 | NS      | $9518750.60   | 3.90%             |  |  |  | No            |                  1 | On Loan: No      |
| Texas Instruments Inc       | Texas Instruments Inc        | CUSIP: 882508104<br>LEI: WDJNR2L6D8RWOEB8T652 | Long             | EC               | CORP              | US        |     56262 | NS      | $11681116.44  | 4.78%             |  |  |  | No            |                  1 | On Loan: No      |
| Alphabet Inc                | Alphabet Inc                 | CUSIP: 02079K305<br>LEI: 5493006MHB84DD0ZWV18 | Long             | EC               | CORP              | US        |     39652 | NS      | $6987871.96   | 2.86%             |  |  |  | No            |                  1 | On Loan: No      |
| Visa Inc                    | Visa Inc                     | CUSIP: 92826C839<br>LEI: 549300JZ4OKEHW3DPJ59 | Long             | EC               | CORP              | US        |     25106 | NS      | $8913885.30   | 3.65%             |  |  |  | No            |                  1 | On Loan: No      |
| Zoetis Inc                  | Zoetis Inc                   | CUSIP: 98978V103<br>LEI: 549300HD9Q1LOC9KLJ48 | Long             | EC               | CORP              | US        |     22871 | NS      | $3566732.45   | 1.46%             |  |  |  | No            |                  1 | On Loan: No      |
| Procter & Gamble Co/The     | Procter & Gamble Co/The      | CUSIP: 742718109<br>LEI: 2572IBTT8CCZW6AU4141 | Long             | EC               | CORP              | US        |     60893 | NS      | $9701472.76   | 3.97%             |  |  |  | No            |                  1 | On Loan: No      |
| Microsoft Corp              | Microsoft Corp               | CUSIP: 594918104<br>LEI: INR2EJN1ERAN0W5ZP974 | Long             | EC               | CORP              | US        |     24421 | NS      | $12147249.61  | 4.97%             |  |  |  | No            |                  1 | On Loan: No      |
| Stryker Corp                | Stryker Corp                 | CUSIP: 863667101<br>LEI: 5493002F0SC4JTBU5137 | Long             | EC               | CORP              | US        |     22745 | NS      | $8998604.35   | 3.68%             |  |  |  | No            |                  1 | On Loan: No      |
| Linde PLC                   | Linde PLC                    | CUSIP: 000000000<br>LEI: 5299003QR1WT0EF88V51 | Long             | EC               | CORP              | IE        |     24905 | NS      | $11684927.90  | 4.78%             |  |  |  | No            |                  1 | On Loan: No      |
| Marsh & McLennan Cos Inc    | Marsh & McLennan Cos Inc     | CUSIP: 571748102<br>LEI: 549300XMP3KDCKJXIU47 | Long             | EC               | CORP              | US        |     50458 | NS      | $11032137.12  | 4.52%             |  |  |  | No            |                  1 | On Loan: No      |
| Coca-Cola Co/The            | Coca-Cola Co/The             | CUSIP: 191216100<br>LEI: UWJKFUJFZ02DKWI3RY53 | Long             | EC               | CORP              | US        |    154762 | NS      | $10949411.50  | 4.48%             |  |  |  | No            |                  1 | On Loan: No      |
| TJX Cos Inc/The             | TJX Cos Inc/The              | CUSIP: 872540109<br>LEI: V167QI9I69W364E2DY52 | Long             | EC               | CORP              | US        |     98754 | NS      | $12195131.46  | 4.99%             |  |  |  | No            |                  1 | On Loan: No      |
| Fixed Income Clearing Corp  | FIXED INC CLEARING CORP.REPO | CUSIP: 000000000<br>LEI: 549300H47WTHXPU08X20 | Long             | RA               | CORP              | US        |   2280103 | PA      | $2280102.72   | 0.93%             |  |  |  | No            |                  2 | On Loan: No      |
| Mastercard Inc              | Mastercard Inc               | CUSIP: 57636Q104<br>LEI: AR5L2ODV9HN37376R084 | Long             | EC               | CORP              | US        |     19839 | NS      | $11148327.66  | 4.56%             |  |  |  | No            |                  1 | On Loan: No      |
| Broadcom Inc                | Broadcom Inc                 | CUSIP: 11135F101<br>LEI: 549300WV6GIDOZJTV909 | Long             | EC               | CORP              | US        |     46655 | NS      | $12860450.75  | 5.26%             |  |  |  | No            |                  1 | On Loan: No      |
| Northrop Grumman Corp       | Northrop Grumman Corp        | CUSIP: 666807102<br>LEI: RIMU48P07456QXSO0R61 | Long             | EC               | CORP              | US        |     17615 | NS      | $8807147.70   | 3.60%             |  |  |  | No            |                  1 | On Loan: No      |
| Apple Inc                   | Apple Inc                    | CUSIP: 037833100<br>LEI: HWUPKR0MPOU8FGXBT394 | Long             | EC               | CORP              | US        |     39156 | NS      | $8033636.52   | 3.29%             |  |  |  | No            |                  1 | On Loan: No      |
| Danaher Corp                | Danaher Corp                 | CUSIP: 235851102<br>LEI: S4BKK9OTCEWQ3YHPFM11 | Long             | EC               | CORP              | US        |     48562 | NS      | $9592937.48   | 3.93%             |  |  |  | No            |                  1 | On Loan: No      |
| S&P Global Inc              | S&P Global Inc               | CUSIP: 78409V104<br>LEI: Y6X4K52KMJMZE7I7MY94 | Long             | EC               | CORP              | US        |     19986 | NS      | $10538417.94  | 4.31%             |  |  |  | No            |                  1 | On Loan: No      |
| Eli Lilly & Co              | Eli Lilly & Co               | CUSIP: 532457108<br>LEI: FRDRIPF3EKNDJ2CQJL29 | Long             | EC               | CORP              | US        |      9886 | NS      | $7706433.58   | 3.15%             |  |  |  | No            |                  1 | On Loan: No      |
| American Express Co         | American Express Co          | CUSIP: 025816109<br>LEI: R4PP93JZOLY261QX3811 | Long             | EC               | CORP              | US        |     31907 | NS      | $10177694.86  | 4.17%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2025-07-28

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

**Signature:** Renee Hitchcock

**Name of Signer:** Renee Hitchcock

**Title:** CFO and Treasurer