Private company

MASSACHUSETTS MUTUAL LIFE INSURANCE CO

American company, incorporated in Massachusetts. Summary from the record

Last updated Oct 21, 2026.

Overview

  • HeadquartersMA1

Corporate structure

MASSACHUSETTS MUTUAL LIFE INSURANCE CO sits at the top of its group. 10 entities, 3 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); major holders from Schedules 13D and 13G; stakes of 5% or more it reported on Schedules 13D and 13G (4 companies); owners and owned firms from Form ADV, the registration investment advisers file with the SEC. Each entity in the chart links to its source.

Filings

29 filings to the SEC since October 2021: 29 other. The latest 20:

  1. Aug 19, 2026N-PX EDGAR
  2. Aug 7, 202613F-HR EDGAR
  3. Apr 28, 202613F-HR EDGAR
  4. Feb 13, 202613F-HR EDGAR
  5. Nov 4, 202513F-HR EDGAR
  6. Aug 21, 2025N-PX EDGAR
  7. Aug 15, 202513F-HR EDGAR
  8. May 14, 202513F-HR EDGAR
  9. Apr 17, 202540-APP/A EDGAR
  10. Apr 8, 202540-APP EDGAR
  11. Feb 13, 202513F-HR EDGAR
  12. Dec 10, 2024N-PX/A EDGAR
  13. Nov 15, 202413F-HR EDGAR
  14. Aug 27, 2024N-PX EDGAR
  15. Jul 16, 202413F-NT EDGAR
  16. Apr 16, 202413F-NT EDGAR
  17. Jan 23, 202413F-NT EDGAR
  18. Dec 8, 202340-APP EDGAR
  19. Oct 13, 202313F-NT EDGAR
  20. Jul 17, 202313F-NT EDGAR

The 29 filings since October 2021 can be filtered by form type and year here when JavaScript is on.

Every filing from the last five years, summarized. The full record is on SEC EDGAR.

Stakes it holds

MASSACHUSETTS MUTUAL LIFE INSURANCE CO has told the SEC it owns more than 5% of 4 companies, latest first (Schedules 13D and 13G).