Kosmos EnergyKOS
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 210 institutions reported holding Kosmos Energy Ltd. (KOS) in their 13F filings, down 25 from Q3 2025. 25 opened new positions and 50 sold out. The largest holders were BlackRock, Inc. ($42.5M), GMO ($31.6M) and State Street Corp. ($18.5M). 8 famous investors held it, including Jeremy Grantham (0.1% of GMO's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Kosmos Energy Ltd.
- CUSIP
- 500688106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 25 | $2.7M |
| Exits | 50 | $18.7M |
All 13F filers, Q3 2025 → Q4 2025: 40,367,214 shares bought and 95,971,482 shares sold, net −55,604,268 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 210 holders
| BlackRock, Inc. | 0.00% | Reduce -32.0% | 46,852,560 | $42.5M |
| GMO | 0.08% | Add +0.1% | 34,804,317 | $31.6M |
| State Street Corp. | 0.00% | Add +5.3% | 20,430,076 | $18.5M |
| Hotchkis & Wiley Capital Management LLC | 0.05% | Reduce -4.2% | 20,110,881 | $18.2M |
| Equinox Partners Investment Management LLC | 9.49% | Add +9.5% | 19,469,980 | $17.7M |
| Vanguard Group Inc. | 0.00% | Add +3.6% | 14,836,244 | $13.5M |
| Millennium Management | 0.01% | Reduce -8.3% | 14,827,966 | $13.5M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +19.5% | 12,045,593 | $10.9M |
| American Century Companies Inc. | 0.01% | Reduce -62.8% | 11,300,711 | $10.3M |
| Geode Capital Management, LLC | 0.00% | Add +8.0% | 11,272,318 | $10.2M |
| M&G PLC | 0.05% | Add +9.5% | 8,736,923 | $8.7M |
| Jane Street Group, LLC | 0.01% | Add +431.9% | 9,269,753 | $8.4M |
| First Trust Advisors LP | 0.00% | Add +66.9% | 7,048,196 | $6.4M |
| Goldman Sachs Group Inc. | 0.00% | Add +175.2% | 6,766,857 | $6.1M |
| UBS Group AG | 0.00% | Reduce -16.2% | 6,138,033 | $5.6M |
| D. E. Shaw & Co. | 0.00% | Add +210.5% | 5,965,703 | $5.4M |
| Russell Investments Group, Ltd. | 0.01% | Reduce -5.7% | 5,885,653 | $5.3M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -22.8% | 5,878,286 | $5.3M |
| Citadel Advisors | 0.00% | Reduce -16.1% | 5,556,252 | $5.0M |
| Morgan Stanley | 0.00% | Reduce -24.7% | 4,709,209 | $4.3M |
| Ostrum Asset Management | 0.17% | No change | 4,008,525 | $3.6M |
| Vaughan Nelson Investment Management, L.P. | 0.04% | No change | 4,008,525 | $3.6M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +8.9% | 3,893,350 | $3.5M |
| Two Sigma Investments, LP | 0.01% | Add +123.5% | 3,855,467 | $3.5M |
| Bank of America Corp. | 0.00% | Reduce -66.0% | 3,851,220 | $3.5M |
| Northern Trust Corp. | 0.00% | Reduce -11.2% | 3,670,893 | $3.3M |
| Susquehanna International Group, LLP | 0.00% | Add +21.0% | 2,456,451 | $2.2M |
| Nantahala Capital Management, LLC | 0.13% | Add +36.6% | 2,344,194 | $2.1M |
| Barclays PLC | 0.00% | Reduce -0.7% | 2,048,284 | $1.9M |
| JPMorgan Chase & Co. | 0.00% | Add +537.8% | 2,013,116 | $1.8M |
| Invesco Ltd. | 0.00% | Reduce -81.1% | 1,870,906 | $1.7M |
| Two Sigma Advisers, LP | 0.00% | Add +163.1% | 1,834,222 | $1.7M |
| Ballast Asset Management, LP | 0.78% | Add +17.4% | 1,820,744 | $1.7M |
| Wells Fargo & Company | 0.00% | Reduce -40.4% | 1,727,540 | $1.6M |
| Renaissance Technologies | 0.00% | Add +448.8% | 1,647,838 | $1.5M |
| Bank of New York Mellon Corp | 0.00% | Reduce -34.8% | 1,525,035 | $1.4M |
| Nuveen, LLC | 0.00% | No change | 1,358,080 | $1.2M |
| Nomura Holdings Inc. | 0.00% | Reduce -45.3% | 1,026,002 | $931K |
| Raiffeisen Bank International AG | 0.01% | No change | 1,000,000 | $908K |
| Swiss National Bank | 0.00% | Add +1.8% | 942,900 | $856K |
| Ameriprise Financial Inc. | 0.00% | Reduce -58.4% | 927,512 | $842K |
| XTX Topco Ltd | 0.02% | Add +500.6% | 914,037 | $829K |
| Group One Trading LLC | 0.02% | Reduce -9.5% | 884,523 | $803K |
| Raymond James Financial Inc. | 0.00% | Reduce -9.5% | 883,899 | $802K |
| Sei Investments Co. | 0.00% | Add +204.2% | 857,578 | $778K |
| Rafferty Asset Management, LLC | 0.00% | Add +9.8% | 811,006 | $736K |
| Citigroup Inc. | 0.00% | Add +51.3% | 760,813 | $690K |
| Graham Capital Management, L.P. | 0.03% | Add +657.7% | 710,185 | $644K |
| Squarepoint Ops LLC | 0.00% | Add +60.3% | 629,342 | $571K |
| Point72 Asset Management | 0.00% | New | 621,106 | $564K |
| Rhumbline Advisers | 0.00% | Reduce -13.4% | 612,964 | $556K |
| AQR Capital Management | 0.00% | Add +192.9% | 536,322 | $487K |
| Inspire Investing, LLC | 0.04% | Add +91.0% | 523,933 | $475K |
| Alliancebernstein L.P. | 0.00% | Add +1.0% | 511,360 | $464K |
| Verition Fund Management LLC | 0.00% | Reduce -14.2% | 503,520 | $457K |
| Dalton Investments, Inc. | 0.34% | New | 500,000 | $454K |
| Caxton Associates LLP | 0.01% | New | 485,633 | $441K |
| California State Teachers Retirement System | 0.00% | Reduce -0.1% | 435,939 | $396K |
| Legal & General Group Plc | 0.00% | Reduce -13.2% | 411,650 | $374K |
| Deutsche Bank AG | 0.00% | Reduce -0.7% | 360,094 | $328K |
| IMC-Chicago, LLC | 0.01% | Reduce -41.1% | 319,951 | $290K |
| Ethic Inc. | 0.00% | Add +38.6% | 314,160 | $285K |
| Creative Planning | 0.00% | Reduce -53.0% | 302,567 | $275K |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -27.9% | 280,365 | $253K |
| New York State Common Retirement Fund | 0.00% | Add +60.8% | 276,252 | $251K |
| Cloverfields Capital Group, LP | 0.08% | No change | 271,878 | $247K |
| Stifel Financial Corp. | 0.00% | Reduce -24.4% | 247,649 | $225K |
| Harbor Capital Advisors, Inc. | 0.02% | Add +9.8% | 245,034 | $222K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +4.8% | 233,578 | $212K |
| Atom Investors LP | 0.02% | New | 231,275 | $210K |
| MetLife Investment Management, LLC | 0.00% | Reduce -11.2% | 227,033 | $206K |
| Intech Investment Management LLC | 0.00% | Reduce -6.1% | 222,515 | $202K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -4.9% | 221,621 | $201K |
| Janus Henderson Group PLC | 0.00% | No change | 211,288 | $191K |
| Alpine Global Management, LLC | 0.04% | New | 206,729 | $188K |
| Gallagher Fiduciary Advisors, LLC | 0.01% | Add +14.0% | 198,721 | $180K |
| Atria Investments, Inc | 0.00% | Add +9.4% | 198,721 | $180K |
| Aristides Capital LLC | 0.06% | New | 197,200 | $179K |
| KLP Kapitalforvaltning As | 0.00% | Add +56.6% | 196,400 | $178K |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | Add +730.3% | 192,424 | $175K |
| Moors & Cabot, Inc. | 0.01% | Reduce -13.0% | 183,950 | $167K |
| Ellevest, Inc. | 0.02% | Add +196.8% | 174,902 | $159K |
| Mercer Global Advisors Inc. | 0.00% | Reduce -1.3% | 173,998 | $158K |
| Banco Santander, S.A. | 0.00% | Reduce -4.6% | 154,524 | $140K |
| Man Group plc | 0.00% | New | 154,146 | $140K |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | Add +27.9% | 153,669 | $139K |
| Jefferies Financial Group Inc. | 0.00% | New | 150,000 | $136K |
| Adage Capital Partners Gp, L.L.C. | 0.00% | No change | 150,000 | $136K |
| Brevan Howard Capital Management LP | 0.00% | Reduce -2.5% | 145,695 | $132K |
| GF Fund Management Co. LTD. | 0.00% | Add +10.9% | 143,809 | $130K |
| Simplex Trading, LLC | 0.00% | Reduce -63.3% | 139,947 | $127K |
| Arizona State Retirement System | 0.00% | Reduce -6.7% | 131,964 | $120K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 130,933 | $119K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 130,370 | $118K |
| SG Americas Securities, LLC | 0.00% | Add +119.7% | 121,523 | $110K |
| Blair William & Co. | 0.00% | No change | 100,000 | $91K |
| BNP Paribas Financial Markets | 0.00% | Reduce -36.9% | 97,080 | $88K |
| Voya Investment Management LLC | 0.00% | No change | 88,707 | $80K |
| ProShare Advisors LLC | 0.00% | Add +6.9% | 86,720 | $79K |
| DRW Securities, LLC | 0.01% | New | 86,665 | $79K |
"% of holder's portfolio" is KOS's weight in each manager's 13F, not the share of Kosmos Energy Ltd. the manager owns.