Kosmos EnergyKOS
13F holders, Q1 2025 (March 31)At the end of Q1 2025, 252 institutions reported holding Kosmos Energy Ltd. (KOS) in their 13F filings, down 18 from Q4 2024. 37 opened new positions and 54 sold out. The largest holders were BlackRock, Inc. ($143.2M), GMO ($90.9M) and American Century Companies Inc. ($66.7M). 6 famous investors held it, including Jeremy Grantham (0.3% of GMO's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Kosmos Energy Ltd.
- CUSIP
- 500688106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 37 | $27.3M |
| Exits | 54 | $99.2M |
All 13F filers, Q4 2024 → Q1 2025: 66,795,778 shares bought and 62,939,314 shares sold, net +3,856,464 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 252 holders
| BlackRock, Inc. | 0.00% | Add +10.8% | 62,802,412 | $143.2M |
| GMO | 0.29% | Add +22.3% | 39,887,828 | $90.9M |
| American Century Companies Inc. | 0.04% | Reduce -1.1% | 29,235,509 | $66.7M |
| Hotchkis & Wiley Capital Management LLC | 0.19% | Add +9.0% | 25,527,101 | $58.2M |
| State Street Corp. | 0.00% | Add +2.8% | 19,590,212 | $44.7M |
| Equinox Partners Investment Management LLC | 25.78% | Add +61.0% | 18,391,280 | $41.9M |
| Patient Capital Management, LLC | 2.11% | Add +5.0% | 18,004,787 | $41.1M |
| William Blair Investment Management, LLC | 0.11% | Reduce -8.4% | 17,169,011 | $39.1M |
| Vanguard Group Inc. | 0.00% | Reduce -5.4% | 14,099,989 | $32.1M |
| Dimensional Fund Advisors LP | 0.01% | Add +6.2% | 12,390,182 | $28.2M |
| Invesco Ltd. | 0.00% | Add +40.2% | 10,898,600 | $24.8M |
| Geode Capital Management, LLC | 0.00% | Add +3.0% | 10,838,865 | $24.7M |
| Bank of America Corp. | 0.00% | Add +186.3% | 9,751,484 | $22.2M |
| Morgan Stanley | 0.00% | Add +33.7% | 8,845,394 | $20.2M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +11.7% | 7,784,911 | $17.7M |
| FMR LLC | 0.00% | Add +78.0% | 7,762,510 | $17.7M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.04% | Add +11.2% | 6,075,952 | $13.9M |
| M&G PLC | 0.09% | Add +10.4% | 6,874,708 | $13.7M |
| Russell Investments Group, Ltd. | 0.02% | Add +26.8% | 5,319,520 | $12.1M |
| Citadel Advisors | 0.01% | Add +53.9% | 5,003,460 | $11.4M |
| Northern Trust Corp. | 0.00% | Reduce -3.9% | 4,367,504 | $10.0M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -11.7% | 4,280,213 | $9.8M |
| UBS Group AG | 0.00% | Add +2.5% | 4,253,243 | $9.7M |
| Ostrum Asset Management | 0.48% | New | 4,008,525 | $9.1M |
| Vaughan Nelson Investment Management, L.P. | 0.09% | Reduce -80.3% | 4,008,525 | $9.1M |
| Adage Capital Partners Gp, L.L.C. | 0.02% | Add +42.5% | 3,690,000 | $8.4M |
| Corigliano Investment Advisers, LLC | 3.14% | New | 3,090,869 | $7.0M |
| Millennium Management | 0.01% | Add +15.7% | 3,082,750 | $7.0M |
| RWC Asset Advisors (us) LLC | 1.20% | Reduce -12.1% | 2,891,763 | $6.6M |
| Wells Fargo & Company | 0.00% | Add +18.2% | 2,851,049 | $6.5M |
| First Trust Advisors LP | 0.01% | Add +13.8% | 2,825,557 | $6.4M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -58.9% | 2,688,836 | $6.1M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +21.1% | 2,541,006 | $5.8M |
| Barclays PLC | 0.00% | Reduce -54.9% | 2,528,702 | $5.8M |
| Ameriprise Financial Inc. | 0.00% | Add +8.1% | 2,217,877 | $5.1M |
| Nomura Holdings Inc. | 0.03% | Reduce -7.5% | 2,177,685 | $5.0M |
| Bank of New York Mellon Corp | 0.00% | Reduce -0.5% | 2,121,378 | $4.8M |
| Portolan Capital Management, LLC | 0.35% | Add +24.4% | 2,011,814 | $4.6M |
| Royce & Associates LP | 0.05% | Add +11.1% | 1,970,260 | $4.5M |
| Lazard Asset Management LLC | 0.01% | Add +61.3% | 1,967,043 | $4.5M |
| Raymond James Financial Inc. | 0.00% | Add +220.1% | 1,917,488 | $4.4M |
| Nuveen, LLC | 0.00% | — | 1,827,624 | $4.2M |
| First Eagle Investment Management, LLC | 0.01% | Add +45.4% | 1,799,091 | $4.1M |
| Nantahala Capital Management, LLC | 0.32% | New | 1,716,593 | $3.9M |
| Jefferies Financial Group Inc. | 0.07% | New | 1,644,133 | $3.7M |
| Harbor Capital Advisors, Inc. | 0.14% | Reduce -1.8% | 1,319,503 | $3.0M |
| Abn Amro Investment Solutions | 0.06% | Add +1.2% | 1,172,798 | $2.7M |
| Black Maple Capital Management LP | 2.03% | Add +14.9% | 1,135,552 | $2.6M |
| RWC Asset Management LLP | 0.16% | Reduce -17.6% | 1,084,679 | $2.5M |
| Fort Washington Investment Advisors Inc. | 0.01% | Add +80.4% | 1,036,801 | $2.4M |
| Ballast Asset Management, LP | 1.19% | Add +13.0% | 988,184 | $2.3M |
| Swiss National Bank | 0.00% | Reduce -1.5% | 914,200 | $2.1M |
| Rafferty Asset Management, LLC | 0.01% | Reduce -6.8% | 815,335 | $1.9M |
| Caxton Associates LLP | 0.06% | — | 810,886 | $1.8M |
| Deutsche Bank AG | 0.00% | Reduce -5.0% | 773,724 | $1.8M |
| D. E. Shaw & Co. | 0.00% | Add +2039.0% | 763,616 | $1.7M |
| Squarepoint Ops LLC | 0.00% | Reduce -32.3% | 743,909 | $1.7M |
| Graham Capital Wealth Management, LLC | 1.79% | Reduce -2.4% | 728,530 | $1.7M |
| Rhumbline Advisers | 0.00% | Add +14.7% | 666,204 | $1.5M |
| Citigroup Inc. | 0.00% | Reduce -39.1% | 650,691 | $1.5M |
| Susquehanna International Group, LLP | 0.00% | Reduce -67.6% | 593,152 | $1.4M |
| Legal & General Group Plc | 0.00% | Reduce -2.5% | 552,945 | $1.3M |
| JPMorgan Chase & Co. | 0.00% | Reduce -58.0% | 534,216 | $1.2M |
| Alliancebernstein L.P. | 0.00% | No change | 506,669 | $1.2M |
| Raiffeisen Bank International AG | 0.02% | No change | 500,000 | $1.1M |
| Mackenzie Financial Corp. | 0.00% | Reduce -0.1% | 451,439 | $1.0M |
| California State Teachers Retirement System | 0.00% | No change | 440,986 | $1.0M |
| Cloverfields Capital Group, LP | 0.32% | Add +93.2% | 421,878 | $962K |
| Envestnet Asset Management Inc. | 0.00% | Add +127.7% | 418,075 | $953K |
| Simplex Trading, LLC | 0.03% | Add +18.0% | 411,681 | $938K |
| AQR Capital Management | 0.00% | Add +56.7% | 387,739 | $884K |
| Thrivent Financial for Lutherans | 0.00% | No change | 385,624 | $879K |
| Group One Trading LLC | 0.04% | Add +15.3% | 380,582 | $868K |
| Creative Planning | 0.00% | Reduce -8.7% | 349,615 | $797K |
| Natixis | 0.00% | New | 344,800 | $778K |
| IMC-Chicago, LLC | 0.03% | Reduce -1.9% | 334,441 | $763K |
| Jane Street Group, LLC | 0.00% | Reduce -50.5% | 325,415 | $742K |
| Ovata Capital Management Ltd | 0.26% | New | 300,000 | $684K |
| Intech Investment Management LLC | 0.01% | Add +43.8% | 280,452 | $639K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +4.5% | 278,082 | $634K |
| MetLife Investment Management, LLC | 0.00% | Add +7.0% | 271,790 | $620K |
| Van Eck Associates Corp. | 0.00% | Add +154.7% | 260,321 | $594K |
| SG Americas Securities, LLC | 0.00% | Add +95.7% | 248,425 | $566K |
| Sei Investments Co. | 0.00% | Add +64.0% | 238,106 | $543K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -4.7% | 237,623 | $542K |
| Huber Capital Management LLC | 0.10% | Add +7.9% | 231,900 | $529K |
| Corebridge Financial, Inc. | 0.00% | Reduce -1.5% | 229,207 | $523K |
| Moors & Cabot, Inc. | 0.03% | Add +3.6% | 217,450 | $496K |
| State of Wisconsin Investment Board | 0.00% | Reduce -32.8% | 212,313 | $484K |
| Janus Henderson Group PLC | 0.00% | No change | 211,288 | $468K |
| Ethic Inc. | 0.01% | Add +54.8% | 204,871 | $461K |
| J. Safra Sarasin Holding AG | 0.01% | Reduce -17.2% | 179,482 | $409K |
| Mercer Global Advisors Inc. | 0.00% | Add +0.5% | 173,593 | $396K |
| New York State Common Retirement Fund | 0.00% | No change | 171,852 | $392K |
| Qube Research & Technologies Ltd | 0.00% | Reduce -64.5% | 160,605 | $366K |
| Capricorn Fund Managers Ltd | 0.19% | No change | 157,000 | $358K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +30.9% | 153,575 | $350K |
| Security National Bank | 0.06% | No change | 146,000 | $333K |
| Two Sigma Securities, LLC | 0.05% | Add +151.3% | 139,691 | $318K |
| GF Fund Management Co. LTD. | 0.01% | Reduce -3.8% | 137,815 | $314K |
"% of holder's portfolio" is KOS's weight in each manager's 13F, not the share of Kosmos Energy Ltd. the manager owns.