# MML VIP Fidelity Institutional AM Core Plus Bond Fund

MML VIP Fidelity Institutional AM Core Plus Bond Fund is a registered fund series of MML SERIES INVESTMENT FUND (series S000029642). Net assets $361.7M as of 2026-03-31.

## Profile

- Series ID: S000029642
- Registrant: MML SERIES INVESTMENT FUND
- LEI: E6C49Z35RNRPSZ4OIX81
- Net assets: $361.7M
- Total assets: $416.8M
- As of: 2026-03-31

## Advisers

- [FIAM LLC (Subadvisor)](https://search.stillhousedata.com/firm/133196)
- [MML Investment Advisers, LLC (Advisor)](https://search.stillhousedata.com/firm/169568)

## Top holdings (200 reported)

_Showing 15 of 200 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [United States Treasury](https://search.stillhousedata.com/security/91282CPD7) | — | $44.7M | 1235.00% |
| [United States Treasury](https://search.stillhousedata.com/security/912810UM8) | — | $37.3M | 1030.73% |
| [United States Treasury](https://search.stillhousedata.com/security/91282CNT4) | — | $31.9M | 882.68% |
| [United States Treasury](https://search.stillhousedata.com/security/91282CPC9) | — | $12.9M | 356.01% |
| [United States Treasury](https://search.stillhousedata.com/security/91282CPQ8) | — | $9.7M | 268.96% |
| [United States Treasury](https://search.stillhousedata.com/security/912810UN6) | — | $9.5M | 262.66% |
| [United States Treasury](https://search.stillhousedata.com/security/91282CPA3) | — | $9.5M | 262.23% |
| [United States Treasury](https://search.stillhousedata.com/security/91282CNZ0) | — | $9.4M | 259.25% |
| [Government National Mortgage Association](https://search.stillhousedata.com/security/21H060655) | — | $6.3M | 173.35% |
| Fixed Income Clearing Corp. | — | $5.5M | 153.14% |
| [JPMORGAN CHASE & CO](https://search.stillhousedata.com/security/46647PCU8) | — | $3.6M | 100.34% |
| [UMBS, TBA](https://search.stillhousedata.com/security/01F052649) | — | $3.5M | 96.49% |
| [BANK OF AMERICA CORP](https://search.stillhousedata.com/security/06051GKA6) | — | $3.3M | 90.31% |
| [UMBS, TBA](https://search.stillhousedata.com/security/01F042640) | — | $3.2M | 87.31% |
| [MORGAN STANLEY](https://search.stillhousedata.com/security/6174468P7) | — | $3.0M | 82.19% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $361.7M |
| 2025-12-31 | $367.5M |
| 2025-09-30 | $377.5M |
| 2025-06-30 | $382.2M |
| 2025-03-31 | $305.2M |
| 2024-12-31 | $306.1M |
| 2024-09-30 | $321.0M |
| 2024-06-30 | $318.6M |

## More

- [Registrant: MML SERIES INVESTMENT FUND](https://search.stillhousedata.com/registrant/67160)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000029642.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.