WASHINGTON STATE INVESTMENT BOARD

Overview

See how the biggest companies compare on our leaderboards

Corporate structure

WASHINGTON STATE INVESTMENT BOARD sits at the top of its group. 3 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from major holders from Schedules 13D and 13G; stakes of 5% or more it reported on Schedules 13D and 13G (2 companies). Each entity in the chart links to its source.

Filings

24 filings to the SEC since October 2021: 24 other. The latest 20:

1. Aug 28, 2026N-PX EDGAR
2. Aug 3, 202613F-HR EDGAR
3. May 5, 202613F-HR EDGAR
4. Feb 9, 202613F-HR EDGAR
5. Nov 14, 202513F-HR EDGAR
6. Sep 2, 2025N-PX EDGAR
7. Aug 11, 202513F-HR EDGAR
8. May 5, 202513F-HR EDGAR
9. Feb 14, 202513F-HR EDGAR
10. Nov 14, 202413F-HR EDGAR
11. Aug 30, 2024N-PX EDGAR
12. Aug 5, 202413F-HR EDGAR
13. May 9, 202413F-HR EDGAR
14. Feb 1, 202413F-HR EDGAR
15. Nov 14, 202313F-HR EDGAR
16. Aug 2, 202313F-HR EDGAR
17. May 15, 202313F-HR EDGAR
18. Feb 8, 202313F-HR/A EDGAR
19. Jan 9, 202313F-HR EDGAR
20. Nov 7, 202213F-HR EDGAR

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

Stakes it holds

WASHINGTON STATE INVESTMENT BOARD has told the SEC it owns more than 5% of 2 companies, latest first (Schedules 13D and 13G).

• FTAI Aviation Ltd.SCHEDULE 13G/A Jan 6, 2023 to Feb 14, 2025²
• FTAI Infrastructure Inc.SC 13G Aug 10, 2022³