Kosmos EnergyKOS
13F holders, Q3 2025 (September 30)At the end of Q3 2025, 235 institutions reported holding Kosmos Energy Ltd. (KOS) in their 13F filings, up 9 from Q2 2025. 28 opened new positions and 21 sold out. The largest holders were BlackRock, Inc. ($114.4M), GMO ($57.7M) and American Century Companies Inc. ($50.4M). 7 famous investors held it, including Jeremy Grantham (0.2% of GMO's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Kosmos Energy Ltd.
- CUSIP
- 500688106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 28 | $5.7M |
| Exits | 21 | $12.6M |
All 13F filers, Q2 2025 → Q3 2025: 30,430,239 shares bought and 47,122,880 shares sold, net −16,692,641 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 235 holders
| BlackRock, Inc. | 0.00% | Add +1.0% | 68,910,135 | $114.4M |
| GMO | 0.16% | Reduce -5.5% | 34,780,967 | $57.7M |
| American Century Companies Inc. | 0.03% | Reduce -9.1% | 30,375,723 | $50.4M |
| Hotchkis & Wiley Capital Management LLC | 0.11% | Reduce -1.0% | 20,995,501 | $34.9M |
| State Street Corp. | 0.00% | Add +19.5% | 19,406,607 | $32.2M |
| Equinox Partners Investment Management LLC | 15.93% | Reduce -4.8% | 17,780,480 | $29.5M |
| Millennium Management | 0.02% | Add +111.2% | 16,179,448 | $26.9M |
| Vanguard Group Inc. | 0.00% | Add +2.0% | 14,320,597 | $23.8M |
| Bank of America Corp. | 0.00% | Add +39.8% | 11,328,905 | $18.8M |
| Geode Capital Management, LLC | 0.00% | Reduce -7.3% | 10,440,289 | $17.3M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +16.1% | 10,082,657 | $16.7M |
| Invesco Ltd. | 0.00% | Add +3.0% | 9,903,093 | $16.4M |
| M&G PLC | 0.09% | Add +38.3% | 7,978,144 | $16.0M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -23.9% | 7,611,298 | $12.6M |
| UBS Group AG | 0.00% | Reduce -10.0% | 7,325,352 | $12.2M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.03% | Add +2.5% | 6,750,611 | $11.2M |
| Citadel Advisors | 0.01% | Reduce -29.9% | 6,625,521 | $11.0M |
| Morgan Stanley | 0.00% | Reduce -5.6% | 6,250,604 | $10.4M |
| Russell Investments Group, Ltd. | 0.01% | Reduce -3.5% | 6,239,726 | $10.4M |
| First Trust Advisors LP | 0.01% | Add +13.6% | 4,222,679 | $7.0M |
| Northern Trust Corp. | 0.00% | Add +1.1% | 4,134,411 | $6.9M |
| Ostrum Asset Management | 0.30% | No change | 4,008,525 | $6.7M |
| Vaughan Nelson Investment Management, L.P. | 0.06% | No change | 4,008,525 | $6.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -1.2% | 3,575,742 | $5.9M |
| Patient Capital Management, LLC | 0.22% | Reduce -82.9% | 3,314,653 | $5.5M |
| FMR LLC | 0.00% | Reduce -3.3% | 3,311,847 | $5.5M |
| Wells Fargo & Company | 0.00% | Add +10.4% | 2,897,588 | $4.8M |
| First Eagle Investment Management, LLC | 0.01% | Add +34.1% | 2,747,831 | $4.6M |
| Lazard Asset Management LLC | 0.01% | Add +4.2% | 2,460,999 | $4.1M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -55.1% | 2,458,582 | $4.1M |
| Bank of New York Mellon Corp | 0.00% | Add +3.3% | 2,340,291 | $3.9M |
| Ameriprise Financial Inc. | 0.00% | Reduce -14.9% | 2,227,743 | $3.7M |
| Barclays PLC | 0.00% | Reduce -15.9% | 2,061,912 | $3.4M |
| Susquehanna International Group, LLP | 0.00% | Reduce -1.5% | 2,030,320 | $3.4M |
| D. E. Shaw & Co. | 0.00% | Add +320.7% | 1,921,394 | $3.2M |
| Nomura Holdings Inc. | 0.02% | New | 1,874,673 | $3.1M |
| Jane Street Group, LLC | 0.00% | Add +9.4% | 1,742,695 | $2.9M |
| Two Sigma Investments, LP | 0.00% | Add +27.0% | 1,725,315 | $2.9M |
| Nantahala Capital Management, LLC | 0.18% | No change | 1,716,593 | $2.8M |
| Ballast Asset Management, LP | 1.17% | Add +13.7% | 1,551,030 | $2.6M |
| Nuveen, LLC | 0.00% | Add +2.8% | 1,358,080 | $2.3M |
| Raiffeisen Bank International AG | 0.02% | No change | 1,000,000 | $1.7M |
| Group One Trading LLC | 0.05% | Add +5.5% | 977,131 | $1.6M |
| Raymond James Financial Inc. | 0.00% | Add +1.5% | 976,677 | $1.6M |
| Van Eck Associates Corp. | 0.00% | Add +152.2% | 964,671 | $1.6M |
| Swiss National Bank | 0.00% | Add +1.4% | 926,700 | $1.5M |
| Rafferty Asset Management, LLC | 0.00% | Add +40.5% | 738,806 | $1.2M |
| Rhumbline Advisers | 0.00% | Reduce -1.5% | 708,176 | $1.2M |
| Two Sigma Advisers, LP | 0.00% | Add +105.9% | 697,122 | $1.2M |
| Fort Washington Investment Advisors Inc. | 0.01% | No change | 675,217 | $1.1M |
| Caption Management, LLC | 0.07% | Add +48.4% | 661,628 | $1.1M |
| Graham Capital Wealth Management, LLC | 1.11% | Reduce -9.0% | 654,681 | $1.1M |
| Creative Planning | 0.00% | Reduce -24.9% | 643,526 | $1.1M |
| Verition Fund Management LLC | 0.01% | Add +57.9% | 586,834 | $974K |
| Envestnet Asset Management Inc. | 0.00% | Add +23.3% | 569,832 | $946K |
| IMC-Chicago, LLC | 0.02% | Add +31.1% | 542,851 | $901K |
| Alliancebernstein L.P. | 0.00% | No change | 506,360 | $841K |
| Citigroup Inc. | 0.00% | Reduce -48.3% | 502,810 | $835K |
| Legal & General Group Plc | 0.00% | No change | 474,242 | $787K |
| Mackenzie Financial Corp. | 0.00% | Reduce -4.5% | 438,076 | $727K |
| California State Teachers Retirement System | 0.00% | Add +0.0% | 436,390 | $724K |
| Squarepoint Ops LLC | 0.00% | Reduce -87.8% | 392,719 | $652K |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -6.6% | 388,995 | $646K |
| J. Safra Sarasin Holding AG | 0.01% | Add +115.9% | 387,556 | $643K |
| Wolverine Trading, LLC | 0.01% | Add +47.0% | 379,551 | $634K |
| Simplex Trading, LLC | 0.01% | Reduce -36.4% | 380,961 | $632K |
| Deutsche Bank AG | 0.00% | Reduce -44.3% | 362,439 | $602K |
| Stifel Financial Corp. | 0.00% | Add +12.2% | 327,629 | $544K |
| JPMorgan Chase & Co. | 0.00% | Reduce -9.3% | 315,658 | $524K |
| Renaissance Technologies | 0.00% | New | 300,253 | $498K |
| Sei Investments Co. | 0.00% | Add +36.0% | 281,960 | $468K |
| Inspire Investing, LLC | 0.04% | New | 274,307 | $455K |
| Cloverfields Capital Group, LP | 0.14% | Reduce -35.6% | 271,878 | $451K |
| Huber Capital Management LLC | 0.07% | Reduce -22.5% | 264,933 | $440K |
| MetLife Investment Management, LLC | 0.00% | Reduce -6.2% | 255,718 | $424K |
| Intech Investment Management LLC | 0.00% | Add +0.5% | 236,987 | $393K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -0.2% | 233,006 | $387K |
| Ethic Inc. | 0.01% | Reduce -6.6% | 226,679 | $376K |
| Harbor Capital Advisors, Inc. | 0.03% | Reduce -76.1% | 223,139 | $370K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -14.3% | 222,852 | $370K |
| Moors & Cabot, Inc. | 0.02% | Reduce -0.5% | 211,450 | $351K |
| Janus Henderson Group PLC | 0.00% | No change | 211,288 | $350K |
| Thrivent Financial for Lutherans | 0.00% | Reduce -47.5% | 202,262 | $335K |
| AQR Capital Management | 0.00% | Reduce -27.8% | 183,102 | $304K |
| Atria Investments, Inc | 0.00% | New | 181,652 | $302K |
| Mercer Global Advisors Inc. | 0.00% | Add +1.8% | 176,328 | $293K |
| Gallagher Fiduciary Advisors, LLC | 0.01% | New | 174,312 | $289K |
| New York State Common Retirement Fund | 0.00% | No change | 171,852 | $285K |
| Banco Santander, S.A. | 0.00% | Add +236.6% | 161,920 | $269K |
| BNP Paribas Financial Markets | 0.00% | Add +0.3% | 153,817 | $255K |
| XTX Topco Ltd | 0.01% | Add +60.7% | 152,176 | $253K |
| Adage Capital Partners Gp, L.L.C. | 0.00% | Reduce -50.0% | 150,000 | $249K |
| Brevan Howard Capital Management LP | 0.00% | Add +85.5% | 149,428 | $248K |
| Arizona State Retirement System | 0.00% | Add +1.4% | 141,448 | $235K |
| Quadrature Capital Ltd | 0.00% | Add +170.0% | 139,390 | $231K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | Add +30.2% | 130,933 | $217K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 130,370 | $216K |
| GF Fund Management Co. LTD. | 0.00% | Reduce -11.4% | 129,658 | $215K |
| Gotham Asset Management | 0.00% | Reduce -56.9% | 125,434 | $208K |
| KLP Kapitalforvaltning As | 0.00% | No change | 125,400 | $208K |
"% of holder's portfolio" is KOS's weight in each manager's 13F, not the share of Kosmos Energy Ltd. the manager owns.