Institutional Ownership
Kosmos Energy Ltd
CUSIP 500688106COMKOSQ1 2026
13D / 13G Filings
54
Schedule 13D/13G on record
Beneficial Filers
17
Distinct reporting persons
Largest Stake
15.0%
Max % of class reported
Institutional Holders
252
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
54 filings · latest Feb 13, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 13, 2026 | American Century Investment Management, Inc. | 13G/A | 11.0% | 11.30M | SEC |
| 2 | Jan 21, 2026 | Blackrock Portfolio Management LLC | 13G/A | 1.7% | 8.29M | SEC |
| 3 | Nov 5, 2025 | Grantham, Mayo, Van Otterloo &Amp; Co. LLC | 13G/A | 7.3% | 34.78M | SEC |
| 4 | Aug 14, 2025 | American Century Investment Management, Inc. | 13G/A | 11.0% | 33.41M | SEC |
| 5 | Aug 13, 2025 | Hotchkis And Wiley Capital Management, LLC | 13G/A | 4.4% | 21.21M | SEC |
| 6 | Jul 15, 2025 | Blackrock Portfolio Management LLC | 13G/A | 6.3% | 30.31M | SEC |
| 7 | May 14, 2025 | Hotchkis And Wiley Capital Management, LLC | 13G | 5.3% | 25.53M | SEC |
| 8 | May 1, 2025 | Grantham, Mayo, Van Otterloo &Amp; Co. LLC | 13G/A | 8.3% | 39.89M | SEC |
| 9 | May 1, 2025 | Grantham, Mayo, Van Otterloo &Amp; Co. LLC | 13G/A | 8.3% | 39.89M | SEC |
| 10 | Apr 23, 2025 | Cobas Asset Management, Sgiic, S.A. | 13G | 5.2% | 24.78M | SEC |
44 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Kosmos Energy Ltd.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 47.46M | $131.95M |
| 2 | State Street Corp | 28.25M | $78.53M |
| 3 | Equinox Partners Investment Management LLC | 20.68M | $57.48M |
| 4 | D. E. Shaw & Co., Inc. | 20.39M | $56.67M |
| 5 | Hotchkis & Wiley Capital Management LLC | 20.05M | $55.74M |
| 6 | Two Sigma Investments, LP | 18.68M | $51.93M |
| 7 | Grantham, Mayo, Van Otterloo & Co. LLC | 18.31M | $50.90M |
| 8 | Charles Schwab Investment Management Inc | 14.14M | $39.30M |
| 9 | Geode Capital Management, LLC | 12.71M | $35.35M |
| 10 | Millennium Management LLC | 12.63M | $35.12M |