317 institutions reported holding $1.25B of KOSMOS ENERGY LTD (KOS) in SEC 13F filings for 2026-06-30. Largest institutional holders: BlackRock, Inc. ($123.6M), D. E. Shaw & Co., Inc. ($87.8M), STATE STREET CORP ($67.6M), TWO SIGMA INVESTMENTS, LP ($64.9M), VANGUARD GROUP INC ($48.8M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30