Who owns WASHINGTON STATE INVESTMENT BOARD? — WASHINGTON STATE INVESTMENT BOARD

WASHINGTON STATE INVESTMENT BOARD's current ultimate owner is WASHINGTON STATE INVESTMENT BOARD, a private equity firm. We track 0 of its locations.

Ownership evidence

• https://data.cms.gov/sites/default/files/2026-08/1d804c1b-cefd-4438-852d-a267890bb144/SNF_All_Owners_2026.07.31.csv
  government filing, as of 2026-08-26

Tracked locations