Kosmos Energy
KOS · NYSE
$2.76−$0.03 (−1.08%)TodayMarket closed ·
Prev close $2.79
Who owns KOS
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 38.5% of KOS’s shares.
- BlackRock Institutional Trust Company, N.A.7.1%
- State Street Investment Management (US)5.0%
- Two Sigma Investments, LP4.3%
- Cobas Asset Management, SGIIC, SA4.2%
- Next 6 largest institutions18.0%
- All other shareholders61.5%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 42.10M | 7.10% |
| State Street Investment Management (US) | 29.45M | 4.97% |
| Two Sigma Investments, LP | 25.40M | 4.28% |
| Cobas Asset Management, SGIIC, SA | 24.78M | 4.18% |
| D. E. Shaw & Co., L.P. | 24.54M | 4.14% |
| Equinox Partners Investment Management LLC | 20.68M | 3.49% |
| Hotchkis and Wiley Capital Management, LLC | 18.84M | 3.18% |
| Geode Capital Management, L.L.C. | 17.07M | 2.88% |
| Charles Schwab Investment Management, Inc. | 13.77M | 2.32% |
| Vanguard Portfolio Management, LLC | 12.00M | 2.02% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| State Street SPDR S&P Oil & Gas Expl & Prod ETF | 17.62M | 2.97% |
| iShares Russell 2000 ETF | 15.35M | 2.59% |
| Avantis US Small Cap Value ETF | 13.92M | 2.35% |
| Invesco Small Cap Value Fund | 8.85M | 1.49% |
| GMO Resources Fund | 8.60M | 1.45% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $689.28K (7 trades) of KOS on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Marion Josh R. | Sale | 24.97K | $51.19K |
| Shah Nealesh D. | Sale | 45.98K | $94.26K |
| Glass Ronald W. | Sale | 12.13K | $24.86K |
| INGLIS ANDREW G | Sale | 85.94K | $176.17K |
| Marion Josh R. | Award | 64.25K | — |
| Shah Nealesh D. | Award | 118.33K | — |
| Glass Ronald W. | Award | 31.20K | — |
| INGLIS ANDREW G | Award | 221.17K | — |
| Michael Stice | Other | 62.04K | $170.00K |
| Maria Moraeus Hanssen | Other | 62.04K | $170.00K |
Short interest
Settled Sep 30, 2026
- Shares short
- 33.94M
- Days to cover
- 2.43
- % of shares outstanding
- 5.72%
- Average daily volume
- 13.99M
- Change since last report
- +19.6%
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