KOS: KOSMOS ENERGY LTD insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 0 sales totaling - in the last 180 days.
Activist and 5% holders
| Filed | What | Holder | Stake | Change | Filing |
|---|---|---|---|---|---|
| 2026-07-29 | 13G amendment | BlackRock, Inc. | 8.10% | SEC |
Institutional ownership (Q2 2026)
268 institutions reported holding $903.88M of KOSMOS ENERGY LTD on Form 13F (263 the quarter before). 48 opened a new position and 42 sold out. Shares held by institutions: -1%.
| Largest holders | Shares | Value |
|---|---|---|
| BlackRock, Inc. | 56,023,521 | $118.21M |
| STATE STREET CORP | 29,453,016 | $62.15M |
| TWO SIGMA INVESTMENTS, LP | 25,398,092 | $53.59M |
| D. E. Shaw & Co., Inc. | 24,538,308 | $51.78M |
| Equinox Partners Investment Management LLC | 20,678,033 | $43.63M |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 18,844,781 | $39.76M |
| GEODE CAPITAL MANAGEMENT, LLC | 17,066,608 | $36.02M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 13,769,666 | $29.05M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 12,000,418 | $25.32M |
| Grantham, Mayo, Van Otterloo & Co. LLC | 11,850,124 | $25.00M |
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