337 institutions reported holding $3.20B of B O K FINANCIAL CORP (BOKF) in SEC 13F filings for 2026-06-30. Largest institutional holders: George Kaiser Family Foundation ($466.9M), DIMENSIONAL FUND ADVISORS LP ($378.6M), VANGUARD GROUP INC ($279.8M), ARIEL INVESTMENTS, LLC ($226.0M), FMR LLC ($188.0M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30