# EDGAR Filing Document

**Accession Number:** 0000067160
**File Stem:** 0001752724-25-201571
**Filing Date:** 2025-8
**Character Count:** 26813
**Document Hash:** a2cf0782b12248fd63a9589bf43cc2b9
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-25-201571.hdr.sgml**: 20250825

**ACCESSION NUMBER**: 0001752724-25-201571

**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:** 251249160

**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 Global Fund (Series ID: S000011480)

| Class ID   | Class Name      | Ticker Symbol   |
|:---|:---|:---|
| C000031710 | Class I         |  |
| C000034569 | Class II        |  |
| C000067768 | 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 Global Fund

- **b. EDGAR series identifier (if any):** S000011480

- **c. LEI of Series:** 8T9HINFCQAU4P1AO8856

**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:** $403857856.71

**Total Liabilities:** $24439204.37

**Net Assets:** $379418652.34

**Cash Not Reported:** $123417.89

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000031710 | -0.47%               | 6.81%                | 5.71%                |
| Class ID C000067768 | -0.50%               | 6.77%                | 5.63%                |
| Class ID C000034569 | -0.43%               | 6.90%                | 5.85%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $13441883.31             | $-13332157.05                              |
| Month 2  | $1356841.34              | $22195949.52                               |
| Month 3  | $1263627.94              | $19330174.74                               |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Universal Music Group NV                  | Universal Music Group NV                                                    | CUSIP: 000000000<br>LEI: 724500GJBUL3D9TW9Y18 | Long             | EC               | CORP              | NL        |     35300 | NS      | $1145525.15   | 0.30%             |  |  |  | No            |                  2 | On Loan: No      |
| LVMH Moet Hennessy Louis Vuitton SE       | LVMH Moet Hennessy Louis Vuitton SE                                         | CUSIP: 000000000<br>LEI: IOG4E947OATN0KJYSD45 | Long             | EC               | CORP              | FR        |      9520 | NS      | $4992779.54   | 1.32%             |  |  |  | No            |                  2 | On Loan: No      |
| Intuit Inc                                | Intuit Inc                                                                  | CUSIP: 461202103<br>LEI: VI90HBPH7XSFMB9E4M29 | Long             | EC               | CORP              | US        |     17521 | NS      | $13800065.23  | 3.64%             |  |  |  | No            |                  1 | On Loan: No      |
| ASML Holding NV                           | ASML Holding NV                                                             | CUSIP: 000000000<br>LEI: 724500Y6DUVHQD6OXN27 | Long             | EC               | CORP              | NL        |      1231 | NS      | $985596.87    | 0.26%             |  |  |  | No            |                  2 | On Loan: No      |
| SAP SE                                    | SAP SE                                                                      | CUSIP: 000000000<br>LEI: 529900D6BF99LW9R2E68 | Long             | EC               | CORP              | DE        |     56594 | NS      | $17215198.72  | 4.54%             |  |  |  | No            |                  2 | On Loan: No      |
| Amadeus IT Group SA                       | Amadeus IT Group SA                                                         | CUSIP: 000000000<br>LEI: 9598004A3FTY3TEHHN09 | Long             | EC               | CORP              | ES        |     67958 | NS      | $5749128.62   | 1.52%             |  |  |  | No            |                  2 | On Loan: —       |
| Thermo Fisher Scientific Inc              | Thermo Fisher Scientific Inc                                                | CUSIP: 883556102<br>LEI: HCHV7422L5HDJZCRFL38 | Long             | EC               | CORP              | US        |      2709 | NS      | $1098391.14   | 0.29%             |  |  |  | No            |                  1 | On Loan: No      |
| Phathom Pharmaceuticals Inc               | Phathom Pharmaceuticals Inc                                                 | CUSIP: 71722W107<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     83351 | NS      | $799336.09    | 0.21%             |  |  |  | No            |                  1 | On Loan: —       |
| Airbus SE                                 | Airbus SE                                                                   | CUSIP: 000000000<br>LEI: MINO79WLOO247M1IL051 | Long             | EC               | CORP              | NL        |     60143 | NS      | $12584555.77  | 3.32%             |  |  |  | No            |                  2 | On Loan: No      |
| State Street Global Advisors              | State Street Navigator Securities Lending Government Money Market Portfolio | CUSIP: 857509301<br>LEI: 5493008BJIBKQ5KTIF74 | Long             | STIV             | RF                | US        |  11802252 | NS      | $11802251.50  | 3.11%             |  |  |  | No            |                  1 | On Loan: No      |
| Capcom Co Ltd                             | Capcom Co Ltd                                                               | CUSIP: 000000000<br>LEI: 529900JJWQKXS3TC8744 | Long             | EC               | CORP              | JP        |    106500 | NS      | $3635895.92   | 0.96%             |  |  |  | No            |                  2 | On Loan: No      |
| Spotify Technology SA                     | Spotify Technology SA                                                       | CUSIP: 000000000<br>LEI: 549300B4X0JHWV0DTD60 | Long             | EC               | CORP              | LU        |      5178 | NS      | $3973286.52   | 1.05%             |  |  |  | No            |                  1 | On Loan: No      |
| Marriott International Inc/MD             | Marriott International Inc/MD                                               | CUSIP: 571903202<br>LEI: 225YDZ14ZO8E1TXUSU86 | Long             | EC               | CORP              | US        |     14280 | NS      | $3901438.80   | 1.03%             |  |  |  | No            |                  1 | On Loan: No      |
| Alphabet Inc                              | Alphabet Inc                                                                | CUSIP: 02079K305<br>LEI: 5493006MHB84DD0ZWV18 | Long             | EC               | CORP              | US        |    182076 | NS      | $32087253.48  | 8.46%             |  |  |  | No            |                  1 | On Loan: No      |
| Visa Inc                                  | Visa Inc                                                                    | CUSIP: 92826C839<br>LEI: 549300JZ4OKEHW3DPJ59 | Long             | EC               | CORP              | US        |     35440 | NS      | $12582972.00  | 3.32%             |  |  |  | No            |                  1 | On Loan: No      |
| Zoetis Inc                                | Zoetis Inc                                                                  | CUSIP: 98978V103<br>LEI: 549300HD9Q1LOC9KLJ48 | Long             | EC               | CORP              | US        |      6196 | NS      | $966266.20    | 0.25%             |  |  |  | No            |                  1 | On Loan: No      |
| Boston Scientific Corp                    | Boston Scientific Corp                                                      | CUSIP: 101137107<br>LEI: Y6ZDD9FP4P8JSSJMW954 | Long             | EC               | CORP              | US        |     38122 | NS      | $4094684.02   | 1.08%             |  |  |  | No            |                  1 | On Loan: No      |
| Lam Research Corp                         | Lam Research Corp                                                           | CUSIP: 512807306<br>LEI: 549300I4GMO6D34U1T02 | Long             | EC               | CORP              | US        |     29666 | NS      | $2887688.44   | 0.76%             |  |  |  | No            |                  1 | On Loan: No      |
| Novo Nordisk A/S                          | Novo Nordisk A/S                                                            | CUSIP: 000000000<br>LEI: 549300DAQ1CVT6CXN342 | Long             | EC               | CORP              | DK        |     60815 | NS      | $4243547.62   | 1.12%             |  |  |  | No            |                  2 | On Loan: No      |
| Microsoft Corp                            | Microsoft Corp                                                              | CUSIP: 594918104<br>LEI: INR2EJN1ERAN0W5ZP974 | Long             | EC               | CORP              | US        |     23482 | NS      | $11680181.62  | 3.08%             |  |  |  | No            |                  1 | On Loan: No      |
| IQVIA Holdings Inc                        | IQVIA Holdings Inc                                                          | CUSIP: 46266C105<br>LEI: 549300W3R20NM4KQPH86 | Long             | EC               | CORP              | US        |     10059 | NS      | $1585197.81   | 0.42%             |  |  |  | No            |                  1 | On Loan: No      |
| Stryker Corp                              | Stryker Corp                                                                | CUSIP: 863667101<br>LEI: 5493002F0SC4JTBU5137 | Long             | EC               | CORP              | US        |      2564 | NS      | $1014395.32   | 0.27%             |  |  |  | No            |                  1 | On Loan: No      |
| Adyen NV                                  | Adyen NV                                                                    | CUSIP: 000000000<br>LEI: 724500973ODKK3IFQ447 | Long             | EC               | CORP              | NL        |      3071 | NS      | $5638697.29   | 1.49%             |  |  |  | Yes           |                  2 | On Loan: No      |
| NVIDIA Corp                               | NVIDIA Corp                                                                 | CUSIP: 67066G104<br>LEI: 549300S4KLFTLO7GSQ80 | Long             | EC               | CORP              | US        |    106990 | NS      | $16903350.10  | 4.46%             |  |  |  | No            |                  1 | On Loan: No      |
| ARM Holdings PLC                          | ARM Holdings PLC                                                            | CUSIP: 042068205<br>LEI: 2138001E66EELTE7Y904 | Long             | EC               | CORP              | GB        |     15890 | NS      | $2570048.60   | 0.68%             |  |  |  | No            |                  1 | On Loan: —       |
| Linde PLC                                 | Linde PLC                                                                   | CUSIP: 000000000<br>LEI: 5299003QR1WT0EF88V51 | Long             | EC               | CORP              | IE        |      2689 | NS      | $1261625.02   | 0.33%             |  |  |  | No            |                  1 | On Loan: No      |
| Nice Ltd                                  | Nice Ltd                                                                    | CUSIP: 653656108<br>LEI: 254900YTY4EF5Z4W0A51 | Long             | EC               | CORP              | IL        |     21948 | NS      | $3707236.68   | 0.98%             |  |  |  | No            |                  1 | On Loan: —       |
| Keyence Corp                              | Keyence Corp                                                                | CUSIP: 000000000<br>LEI: 529900M7PQBS7A89DZ11 | Long             | EC               | CORP              | JP        |     14100 | NS      | $5661694.98   | 1.49%             |  |  |  | No            |                  2 | On Loan: No      |
| BE Semiconductor Industries NV            | BE Semiconductor Industries NV                                              | CUSIP: 000000000<br>LEI: 7245007A1YFLI2GNYX06 | Long             | EC               | CORP              | NL        |     12016 | NS      | $1798762.04   | 0.47%             |  |  |  | No            |                  2 | On Loan: No      |
| Marvell Technology Inc                    | Marvell Technology Inc                                                      | CUSIP: 573874104<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    136130 | NS      | $10536462.00  | 2.78%             |  |  |  | No            |                  1 | On Loan: No      |
| Assa Abloy AB                             | Assa Abloy AB                                                               | CUSIP: 000000000<br>LEI: 549300YECS8HKCIMMB67 | Long             | EC               | CORP              | SE        |     78261 | NS      | $2447204.47   | 0.64%             |  |  |  | No            |                  2 | On Loan: No      |
| TJX Cos Inc/The                           | TJX Cos Inc/The                                                             | CUSIP: 872540109<br>LEI: V167QI9I69W364E2DY52 | Long             | EC               | CORP              | US        |     18266 | NS      | $2255668.34   | 0.59%             |  |  |  | No            |                  1 | On Loan: No      |
| Fixed Income Clearing Corp                | FIXED INC CLEARING CORP.REPO                                                | CUSIP: 000000000<br>LEI: 549300H47WTHXPU08X20 | Long             | RA               | CORP              | US        |   5352296 | PA      | $5352295.73   | 1.41%             |  |  |  | No            |                  2 | On Loan: No      |
| Atlas Copco AB                            | Atlas Copco AB                                                              | CUSIP: 000000000<br>LEI: 213800T8PC8Q4FYJZR07 | Long             | EC               | CORP              | SE        |    230106 | NS      | $3727596.69   | 0.98%             |  |  |  | No            |                  2 | On Loan: No      |
| Netflix Inc                               | Netflix Inc                                                                 | CUSIP: 64110L106<br>LEI: 549300Y7VHGU0I7CE873 | Long             | EC               | CORP              | US        |      6319 | NS      | $8461962.47   | 2.23%             |  |  |  | No            |                  1 | On Loan: No      |
| Intuitive Surgical Inc                    | Intuitive Surgical Inc                                                      | CUSIP: 46120E602<br>LEI: 54930052SRG011710797 | Long             | EC               | CORP              | US        |     11026 | NS      | $5991638.66   | 1.58%             |  |  |  | No            |                  1 | On Loan: No      |
| Ecolab Inc                                | Ecolab Inc                                                                  | CUSIP: 278865100<br>LEI: 82DYEISM090VG8LTLS26 | Long             | EC               | CORP              | US        |      8431 | NS      | $2271648.64   | 0.60%             |  |  |  | No            |                  1 | On Loan: No      |
| Mastercard Inc                            | Mastercard Inc                                                              | CUSIP: 57636Q104<br>LEI: AR5L2ODV9HN37376R084 | Long             | EC               | CORP              | US        |      4990 | NS      | $2804080.60   | 0.74%             |  |  |  | No            |                  1 | On Loan: No      |
| Broadcom Inc                              | Broadcom Inc                                                                | CUSIP: 11135F101<br>LEI: 549300WV6GIDOZJTV909 | Long             | EC               | CORP              | US        |     32373 | NS      | $8923617.45   | 2.35%             |  |  |  | No            |                  1 | On Loan: No      |
| TDK Corp                                  | TDK Corp                                                                    | CUSIP: 000000000<br>LEI: 3538005O8WNU39U8NX03 | Long             | EC               | CORP              | JP        |    102100 | NS      | $1194182.10   | 0.31%             |  |  |  | No            |                  2 | On Loan: No      |
| Lonza Group AG                            | Lonza Group AG                                                              | CUSIP: 000000000<br>LEI: 549300EFW4H2TCZ71055 | Long             | EC               | CORP              | CH        |      7199 | NS      | $5143730.23   | 1.36%             |  |  |  | No            |                  2 | On Loan: No      |
| ServiceNow Inc                            | ServiceNow Inc                                                              | CUSIP: 81762P102<br>LEI: 549300HJTQM36M0E1G39 | Long             | EC               | CORP              | US        |      1787 | NS      | $1837178.96   | 0.48%             |  |  |  | No            |                  1 | On Loan: No      |
| Analog Devices Inc                        | Analog Devices Inc                                                          | CUSIP: 032654105<br>LEI: GYVOE5EZ4GDAVTU4CQ61 | Long             | EC               | CORP              | US        |     51622 | NS      | $12287068.44  | 3.24%             |  |  |  | No            |                  1 | On Loan: No      |
| Allianz SE                                | Allianz SE                                                                  | CUSIP: 000000000<br>LEI: 529900K9B0N5BT694847 | Long             | EC               | CORP              | DE        |      7550 | NS      | $3059035.60   | 0.81%             |  |  |  | No            |                  2 | On Loan: No      |
| Meta Platforms Inc                        | Meta Platforms Inc                                                          | CUSIP: 30303M102<br>LEI: BQ4BKCS1HXDV9HN80Z93 | Long             | EC               | CORP              | US        |     47127 | NS      | $34783967.43  | 9.17%             |  |  |  | No            |                  1 | On Loan: No      |
| Hoya Corp                                 | Hoya Corp                                                                   | CUSIP: 000000000<br>LEI: 353800X4VR3BHEUCJB42 | Long             | EC               | CORP              | JP        |     14600 | NS      | $1733237.70   | 0.46%             |  |  |  | No            |                  2 | On Loan: No      |
| JD.com Inc                                | JD.com Inc                                                                  | CUSIP: 47215P106<br>LEI: 549300HVTWB0GJZ16V92 | Long             | EC               | CORP              | KY        |    273322 | NS      | $8921230.08   | 2.35%             |  |  |  | No            |                  1 | On Loan: No      |
| Ferrari NV                                | Ferrari NV                                                                  | CUSIP: 000000000<br>LEI: 549300RIVY5EX8RCON76 | Long             | EC               | CORP              | NL        |      3221 | NS      | $1579239.42   | 0.42%             |  |  |  | No            |                  2 | On Loan: No      |
| Moncler SpA                               | Moncler SpA                                                                 | CUSIP: 000000000<br>LEI: 815600EBD7FB00525B20 | Long             | EC               | CORP              | IT        |     13135 | NS      | $749953.65    | 0.20%             |  |  |  | No            |                  2 | On Loan: No      |
| Shopify Inc                               | Shopify Inc                                                                 | CUSIP: 82509L107<br>LEI: 549300HGQ43STJLLP808 | Long             | EC               | CORP              | CA        |     48955 | NS      | $5646959.25   | 1.49%             |  |  |  | No            |                  1 | On Loan: No      |
| EssilorLuxottica SA                       | EssilorLuxottica SA                                                         | CUSIP: 000000000<br>LEI: 549300M3VH1A3ER1TB49 | Long             | EC               | CORP              | FR        |     13549 | NS      | $3722055.02   | 0.98%             |  |  |  | No            |                  2 | On Loan: No      |
| Brunello Cucinelli SpA                    | Brunello Cucinelli SpA                                                      | CUSIP: 000000000<br>LEI: 5493003CX2RZ0FOBH256 | Long             | EC               | CORP              | IT        |     32423 | NS      | $3940867.17   | 1.04%             |  |  |  | No            |                  2 | On Loan: No      |
| Synopsys Inc                              | Synopsys Inc                                                                | CUSIP: 871607107<br>LEI: QG7T915N9S0NY5UKNE63 | Long             | EC               | CORP              | US        |      3833 | NS      | $1965102.44   | 0.52%             |  |  |  | No            |                  1 | On Loan: No      |
| Taiwan Semiconductor Manufacturing Co Ltd | Taiwan Semiconductor Manufacturing Co Ltd                                   | CUSIP: 000000000<br>LEI: 549300KB6NK5SBD14S87 | Long             | EC               | CORP              | TW        |    100000 | NS      | $3610600.51   | 0.95%             |  |  |  | No            |                  2 | On Loan: No      |
| ICICI Bank Ltd                            | ICICI Bank Ltd                                                              | CUSIP: 45104G104<br>LEI: R7RX8ER1V4666J8D1I38 | Long             | EC               | CORP              | IN        |    320803 | NS      | $10791812.92  | 2.84%             |  |  |  | No            |                  1 | On Loan: No      |
| Equifax Inc                               | Equifax Inc                                                                 | CUSIP: 294429105<br>LEI: 5493004MCF8JDC86VS77 | Long             | EC               | CORP              | US        |     18380 | NS      | $4767220.60   | 1.26%             |  |  |  | No            |                  1 | On Loan: No      |
| Tencent Holdings Ltd                      | Tencent Holdings Ltd                                                        | CUSIP: 000000000<br>LEI: 254900N4SLUMW4XUYY11 | Long             | EC               | CORP              | KY        |     44900 | NS      | $2883796.85   | 0.76%             |  |  |  | No            |                  2 | On Loan: No      |
| S&P Global Inc                            | S&P Global Inc                                                              | CUSIP: 78409V104<br>LEI: Y6X4K52KMJMZE7I7MY94 | Long             | EC               | CORP              | US        |     29707 | NS      | $15664204.03  | 4.13%             |  |  |  | No            |                  1 | On Loan: No      |
| HDFC Bank Ltd                             | HDFC Bank Ltd                                                               | CUSIP: 40415F101<br>LEI: 335800ZQ6I4E2JXENC50 | Long             | EC               | CORP              | IN        |     53141 | NS      | $4074320.47   | 1.07%             |  |  |  | No            |                  1 | On Loan: No      |
| Eli Lilly & Co                            | Eli Lilly & Co                                                              | CUSIP: 532457108<br>LEI: FRDRIPF3EKNDJ2CQJL29 | Long             | EC               | CORP              | US        |     14212 | NS      | $11078680.36  | 2.92%             |  |  |  | No            |                  1 | On Loan: No      |
| Amazon.com Inc                            | Amazon.com Inc                                                              | CUSIP: 023135106<br>LEI: ZXTILKJKG63JELOEG630 | Long             | EC               | CORP              | US        |     30774 | NS      | $6751507.86   | 1.78%             |  |  |  | No            |                  1 | On Loan: No      |
| IDEXX Laboratories Inc                    | IDEXX Laboratories Inc                                                      | CUSIP: 45168D104<br>LEI: OGMTXK0LUU1HKV2P0J84 | Long             | EC               | CORP              | US        |      3021 | NS      | $1620283.14   | 0.43%             |  |  |  | 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