Kosmos Energy Ltd.
KOS- Exchange
- NYSE
- Industry
- Crude Petroleum & Natural Gas
- SEC CIK
- 0001509991
In the last 90 days, Kosmos Energy Ltd. insiders filed 0 open-market purchases and 4 sales; 277 institutions reported holding it in 13F filings for Q2 2026, worth $1.19B in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in Kosmos Energy Ltd. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 219
- −19 vs. Q3 2025
- Shares held
- 341.6M
- −55.8M (−14.0%) vs. Q3 2025
- Total value
- $444.2M
- −$417.2M (−48.4%) vs. Q3 2025
- New holders
- 33
- 57 more added
- Sold out
- 52
- 89 more reduced
6 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting KOS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 277 | $1.19B |
| Q1 2026 | 271 | $1.47B |
| Q4 2025 | 219 | $444.2M |
| Q3 2025 | 244 | $862.2M |
| Q2 2025 | 238 | $946.6M |
| Q1 2025 | 265 | $1.24B |
| Q4 2024 | 271 | $1.49B |
| Q3 2024 | 270 | $1.80B |
| Q2 2024 | 268 | $2.48B |
| Q1 2024 | 244 | $2.75B |
| Q4 2023 | 246 | $2.97B |
| Q3 2023 | 226 | $3.53B |
| Q2 2023 | 239 | $2.53B |
| Q1 2023 | 234 | $3.67B |
| Q4 2022 | 239 | $2.56B |
| Q3 2022 | 232 | $2.07B |
| Q2 2022 | 232 | $2.44B |
| Q1 2022 | 200 | $2.84B |
| Q4 2021 | 172 | $1.30B |
| Q3 2021 | 161 | $943.6M |
| Q2 2021 | 172 | $1.12B |
| Q1 2021 | 138 | $1.01B |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Kosmos Energy Ltd.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 46,852,560 | $44.4M | 0.00% | −22,057,575−32.0% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 34,804,317 | $31.6M | 0.08% | +23,350+0.1% | Added |
| LMR Partners LLP | – | $22.9M | 0.22% | – | – |
| State Street Corp | 20,430,076 | $21.8M | 0.00% | +1,023,469+5.3% | Added |
| Hotchkis & Wiley Capital Management LLC | 20,110,881 | $18.2M | 0.05% | −884,620−4.2% | Reduced |
| D. E. Shaw & Co., Inc. | 5,965,703 | $17.8M | 0.01% | +4,044,309+210.5% | Added |
| Equinox Partners Investment Management LLC | 19,469,980 | $17.7M | 9.23% | +1,689,500+9.5% | Added |
| HBK Investments L P | – | $16.3M | 0.18% | – | – |
| Adage Capital Partners GP, L.L.C. | 150,000 | $16.1M | 0.02% | 00.0% | Unchanged |
| Vanguard Group Inc | 14,836,244 | $13.5M | 0.00% | +515,647+3.6% | Added |
| Millennium Management LLC | 14,827,966 | $13.5M | 0.01% | −1,351,482−8.4% | Reduced |
| Converium Capital Inc. | – | $12.2M | 10.70% | – | New |
| Charles Schwab Investment Management Inc | 12,045,593 | $10.9M | 0.00% | +1,962,936+19.5% | Added |
| American Century Companies Inc | 11,300,711 | $10.3M | 0.01% | −19,075,012−62.8% | Reduced |
| Geode Capital Management, LLC | 11,272,318 | $10.2M | 0.00% | +832,029+8.0% | Added |
| Weiss Asset Management LP | – | $9.97M | 0.14% | – | – |
| M&G Plc | 8,736,923 | $8.74M | 0.04% | +758,779+9.5% | Added |
| Jane Street Group, LLC | 9,269,753 | $8.41M | 0.01% | +7,527,058+431.9% | Added |
| JPMorgan Chase & Co | 2,013,116 | $6.87M | 0.00% | +1,381,800+218.9% | Added |
| BTG Pactual Asset Management US LLC | – | $6.73M | 0.75% | – | – |
| First Trust Advisors LP | 7,048,196 | $6.40M | 0.00% | +2,825,517+66.9% | Added |
| Goldman Sachs Group Inc | 6,766,857 | $6.14M | 0.00% | +4,308,275+175.2% | Added |
| Lombard Odier Asset Management (USA) Corp | – | $6.04M | 2.46% | – | – |
| Royal Bank of Canada | 26,249 | $5.94M | 0.00% | −32,673−55.5% | Reduced |
| UBS Group AG | 6,138,033 | $5.57M | 0.00% | −1,187,319−16.2% | Reduced |
| Russell Investments Group, Ltd. | 5,885,653 | $5.34M | 0.01% | −354,073−5.7% | Reduced |
| Dimensional Fund Advisors LP | 5,878,286 | $5.33M | 0.00% | −1,733,012−22.8% | Reduced |
| Deutsche Bank AG | 360,094 | $5.12M | 0.00% | −2,345−0.6% | Reduced |
| Citadel Advisors LLC | 5,556,252 | $5.04M | 0.00% | −1,069,269−16.1% | Reduced |
| Morgan Stanley | 4,709,209 | $4.53M | 0.00% | −1,541,395−24.7% | Reduced |
| Bank of America Corp | 3,851,220 | $3.92M | 0.00% | −7,477,685−66.0% | Reduced |
| Ostrum Asset Management | 4,008,525 | $3.64M | 0.17% | 00.0% | Unchanged |
| Vaughan Nelson Investment Management, L.P. | 4,008,525 | $3.64M | 0.04% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 3,893,350 | $3.53M | 0.00% | +317,608+8.9% | Added |
| Two Sigma Investments, LP | 3,855,467 | $3.50M | 0.01% | +2,130,152+123.5% | Added |
| Walleye Capital LLC | – | $3.44M | 0.02% | – | – |
| Northern Trust Corp | 3,670,893 | $3.33M | 0.00% | −463,518−11.2% | Reduced |
| Zazove Associates LLC | – | $2.82M | 0.24% | – | – |
| Wells Fargo & Company | 1,727,540 | $2.56M | 0.00% | −1,170,048−40.4% | Reduced |
| Susquehanna International Group, LLP | 2,456,451 | $2.23M | 0.00% | +426,131+21.0% | Added |
| Nantahala Capital Management, LLC | 2,344,194 | $2.13M | 0.13% | +627,601+36.6% | Added |
| Whitebox Advisors LLC | – | $2.11M | 0.04% | – | New |
| Barclays PLC | 2,048,284 | $1.89M | 0.00% | −13,628−0.7% | Reduced |
| Invesco Ltd. | 1,870,906 | $1.70M | 0.00% | −8,032,187−81.1% | Reduced |
| Two Sigma Advisers, LP | 1,834,222 | $1.66M | 0.00% | +1,137,100+163.1% | Added |
| Ballast Asset Management, LP | 1,820,744 | $1.65M | 0.78% | +269,714+17.4% | Added |
| Renaissance Technologies LLC | 1,647,838 | $1.50M | 0.00% | +1,347,585+448.8% | Added |
| Bank of New York Mellon Corp | 1,525,035 | $1.38M | 0.00% | −815,256−34.8% | Reduced |
| Nuveen, LLC | 1,358,080 | $1.23M | 0.00% | 00.0% | Unchanged |
| Nomura Holdings Inc | 1,026,002 | $931.0K | 0.00% | −848,671−45.3% | Reduced |
| Raiffeisen Bank International AG | 1,000,000 | $907.7K | 0.01% | 00.0% | Unchanged |
| Swiss National Bank | 942,900 | $855.6K | 0.00% | +16,200+1.7% | Added |
| Ameriprise Financial Inc | 927,512 | $841.6K | 0.00% | −1,300,231−58.4% | Reduced |
| XTX Topco Ltd | 914,037 | $829.4K | 0.02% | +761,861+500.6% | Added |
| Group One Trading, L.P. | 884,523 | $802.6K | 0.02% | −92,608−9.5% | Reduced |
| Raymond James Financial Inc | 883,899 | $802.0K | 0.00% | −92,778−9.5% | Reduced |
| SEI Investments Co | 857,578 | $778.2K | 0.00% | +575,618+204.1% | Added |
| Rafferty Asset Management, LLC | 811,006 | $735.9K | 0.00% | +72,200+9.8% | Added |
| Citigroup Inc | 760,813 | $690.4K | 0.00% | +258,003+51.3% | Added |
| Graham Capital Management, L.P. | 710,185 | $644.4K | 0.02% | +616,460+657.7% | Added |
| Squarepoint Ops LLC | 629,342 | $571.1K | 0.00% | +236,623+60.3% | Added |
| Point72 Asset Management, L.P. | 621,106 | $563.6K | 0.00% | +621,106 | New |
| Rhumbline Advisers | 612,964 | $555.9K | 0.00% | −95,212−13.4% | Reduced |
| AQR Capital Management LLC | 536,322 | $486.7K | 0.00% | +353,220+192.9% | Added |
| CWM Advisors, LLC | 523,933 | $475.4K | 0.04% | +249,626+91.0% | Added |
| Alliancebernstein L.P. | 511,360 | $464.0K | 0.00% | +5,000+1.0% | Added |
| Verition Fund Management LLC | 503,520 | $456.9K | 0.00% | −83,314−14.2% | Reduced |
| Dalton Investments LLC | 500,000 | $453.7K | 0.34% | +500,000 | New |
| Caxton Associates LLP | 485,633 | $440.7K | 0.01% | +485,633 | New |
| California State Teachers Retirement System | 435,939 | $395.6K | 0.00% | −451−0.1% | Reduced |
| Legal & General Group Plc | 411,650 | $373.5K | 0.00% | −62,592−13.2% | Reduced |
| IMC-Chicago, LLC | 319,951 | $290.3K | 0.01% | −222,900−41.1% | Reduced |
| Ethic Inc. | 314,160 | $285.1K | 0.00% | +87,481+38.6% | Added |
| Creative Planning | 302,567 | $274.5K | 0.00% | −340,959−53.0% | Reduced |
| Price T Rowe Associates Inc | 280,365 | $253.0K | 0.00% | −108,630−27.9% | Reduced |
| New York State Common Retirement Fund | 276,252 | $250.7K | 0.00% | +104,400+60.7% | Added |
| Cloverfields Capital Group, LP | 271,878 | $246.7K | 0.08% | 00.0% | Unchanged |
| Stifel Financial Corp | 247,649 | $224.7K | 0.00% | −79,980−24.4% | Reduced |
| Harbor Capital Advisors, Inc. | 245,034 | $222.0K | 0.02% | +21,895+9.8% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 233,578 | $211.9K | 0.00% | +10,726+4.8% | Added |
| Atom Investors LP | 231,275 | $209.9K | 0.02% | +231,275 | New |
| MetLife Investment Management | 227,033 | $206.0K | 0.00% | −28,685−11.2% | Reduced |
| Intech Investment Management LLC | 222,515 | $201.9K | 0.00% | −14,472−6.1% | Reduced |
| Manufacturers Life Insurance Company, The | 221,621 | $201.1K | 0.00% | −11,385−4.9% | Reduced |
| Janus Henderson Group PLC | 211,288 | $190.5K | 0.00% | 00.0% | Unchanged |
| Alpine Global Management, LLC | 206,729 | $187.6K | 0.04% | +206,729 | New |
| Atria Investments LLC | 198,721 | $180.3K | 0.00% | +17,069+9.4% | Added |
| Gallagher Fiduciary Advisors, LLC | 198,721 | $180.3K | 0.01% | +24,409+14.0% | Added |
| Aristides Capital LLC | 197,200 | $178.9K | 0.06% | +197,200 | New |
| KLP Kapitalforvaltning AS | 196,400 | $178.2K | 0.00% | +71,000+56.6% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 192,424 | $174.6K | 0.00% | +169,250+730.3% | Added |
| Moors & Cabot, Inc. | 183,950 | $166.9K | 0.01% | −27,500−13.0% | Reduced |
| Ellevest, Inc. | 174,902 | $158.7K | 0.02% | +115,969+196.8% | Added |
| Mercer Global Advisors Inc | 173,998 | $157.9K | 0.00% | −2,330−1.3% | Reduced |
| Banco Santander, S.A. | 154,524 | $140.2K | 0.00% | −7,396−4.6% | Reduced |
| Man Group plc | 154,146 | $139.9K | 0.00% | +154,146 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 153,669 | $139.4K | 0.00% | +33,520+27.9% | Added |
| Jefferies Financial Group Inc. | 150,000 | $136.1K | 0.00% | +150,000 | New |
| Brevan Howard Capital Management LP | 145,695 | $132.2K | 0.00% | −3,733−2.5% | Reduced |
| GF Fund Management Co. Ltd. | 143,809 | $130.5K | 0.00% | +14,151+10.9% | Added |