# Massachusetts Mutual Life Insurance Co.

Massachusetts Mutual Life Insurance Co. is a security (CUSIP 575767AN8) tracked across SEC portfolio filings. 7 registered fund positions totaling $2.0M via N-PORT as of 2026-05-31.

## Summary

- Issuer: Massachusetts Mutual Life Insurance Co.
- CUSIP: 575767AN8
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 7
- N-PORT value: $2.0M
- N-PORT report: 2026-05-31

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [George Putnam Balanced Fund](https://search.stillhousedata.com/fund/S000005597) | George Putnam Balanced Fund | $825K | 3.52% |
| [AB GLOBAL BOND FUND, INC.](https://search.stillhousedata.com/fund/S000010128) | AB GLOBAL BOND FUND, INC. | $439K | 0.66% |
| [Putnam Global Income Trust](https://search.stillhousedata.com/fund/S000005653) | Putnam Global Income Trust | $245K | 11.36% |
| [Putnam High Yield Fund](https://search.stillhousedata.com/fund/S000005762) | Putnam High Yield Fund | $210K | 2.53% |
| [Insight Select Income Fund](https://search.stillhousedata.com/fund/S000000000) | Insight Select Income Fund | $157K | 8.43% |
| [Putnam Multi-Asset Income Fund](https://search.stillhousedata.com/fund/S000067964) | Putnam Asset Allocation Funds | $75K | 0.84% |
| [Bernstein Intermediate Duration Institutional Portfolio](https://search.stillhousedata.com/fund/S000011063) | BERNSTEIN SANFORD C FUND II INC | $7K | 0.09% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/575767AN8.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.