KOS Kosmos Energy Ltd.: institutional ownership and insider trading
281 funds reported holding $964M of Kosmos Energy Ltd. in their latest 13F filings; in Q2 2026 funds net sold $5.17M, with 49 new positions and 40 funds selling out; over the last 12 months insiders bought $7.00M and sold $1.07M on the open market.
Famous investors holding KOS
- Two Sigma (Two Sigma Investments): $53.6M, 0.0% of the portfolio
- Ray Dalio (Bridgewater Associates): $9.96M, 0.0% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $51.8M, 0.0% of the portfolio
- Renaissance Technologies (Renaissance Technologies): $14.8M, 0.0% of the portfolio
- Izzy Englander (Millennium Management): $15.7M, 0.0% of the portfolio
- Ken Griffin (Citadel Advisors): $4.85M, 0.0% of the portfolio
Largest institutional holders of KOS
- BlackRock, Inc. (BLK) — $118M
- STATE STREET CORP (STT, STT-PG) — $62.1M
- TWO SIGMA INVESTMENTS, LP — $53.6M
- D. E. Shaw & Co., Inc. — $51.8M
- Equinox Partners Investment Management LLC — $43.6M
- HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC — $39.8M
- GEODE CAPITAL MANAGEMENT, LLC — $36.0M
- CHARLES SCHWAB INVESTMENT MANAGEMENT INC — $29.1M
- VANGUARD PORTFOLIO MANAGEMENT LLC — $25.3M
- Grantham, Mayo, Van Otterloo & Co. LLC — $25.0M
Recent KOS insider trades
- Jul 2, 2026: Inglis Andrew G sold 85,935 shares ($176K)
- Jul 2, 2026: Glass Ronald W. sold 12,128 shares ($24.9K)
- Jul 2, 2026: Shah Nealesh D. sold 45,980 shares ($94.3K)
- Jul 2, 2026: Marion Josh R. sold 24,969 shares ($51.2K)
5%+ owners
- BlackRock, Inc.: 8.1% (Schedule 13G/A, filed Jul 29, 2026)