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; 268 institutions reported holding it in 13F filings for Q2 2026, worth $909.1M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Kosmos Energy Ltd. as of Mar 31, 2026. 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
- 263
- +57 vs. Q4 2025
- Shares held
- 434.1M
- +107.3M (+32.8%) vs. Q4 2025
- Total value
- $1.21B
- +$910.7M (+306.3%) vs. Q4 2025
- New holders
- 88
- 87 more added
- Sold out
- 31
- 59 more reduced
4 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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 | 268 | $909.1M |
| Q1 2026 | 263 | $1.21B |
| Q4 2025 | 210 | $310.8M |
| Q3 2025 | 236 | $662.7M |
| Q2 2025 | 227 | $714.3M |
| Q1 2025 | 253 | $991.0M |
| Q4 2024 | 271 | $1.48B |
| Q3 2024 | 270 | $1.79B |
| Q2 2024 | 268 | $2.48B |
| Q1 2024 | 244 | $2.72B |
| Q4 2023 | 246 | $2.90B |
| Q3 2023 | 226 | $3.53B |
| Q2 2023 | 239 | $2.53B |
| Q1 2023 | 234 | $3.16B |
| Q4 2022 | 239 | $2.56B |
| Q3 2022 | 232 | $2.06B |
| Q2 2022 | 232 | $2.44B |
| Q1 2022 | 200 | $2.83B |
| Q4 2021 | 172 | $1.30B |
| Q3 2021 | 161 | $943.6M |
| Q2 2021 | 172 | $1.12B |
| Q1 2021 | 138 | $1.01B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Kosmos Energy Ltd.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Raymond James Financial Inc | 51,378 | $142.8K | 0.00% | −832,521−94.2% | Reduced |
| Omers Administration Corp | 52,800 | $146.8K | 0.00% | +52,800 | New |
| Victory Capital Management Inc | 52,806 | $146.8K | 0.00% | −66−0.1% | Reduced |
| Captrust Financial Advisors | 53,939 | $150.0K | 0.00% | +25,338+88.6% | Added |
| Commonwealth Equity Services, LLC | 54,478 | $151.4K | 0.00% | −2,100−3.7% | Reduced |
| FMR LLC | 54,514 | $151.5K | 0.00% | +19,913+57.6% | Added |
| Graham Capital Management, L.P. | 62,305 | $173.2K | 0.01% | −647,880−91.2% | Reduced |
| SFMG, LLC | 63,480 | $176.5K | 0.01% | −20,000−24.0% | Reduced |
| Public Employees Retirement Association of Colorado | 65,370 | $182.0K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 68,776 | $191.2K | 0.00% | −17,944−20.7% | Reduced |
| Tower Research Capital LLC (TRC) | 69,017 | $191.9K | 0.00% | +42,322+158.5% | Added |
| Sanders Morris Harris LLC | 71,000 | $197.4K | 0.03% | +71,000 | New |
| Balyasny Asset Management LLC | 72,405 | $201.3K | 0.00% | +5,392+8.0% | Added |
| Wellington Management Group LLP | 74,323 | $206.6K | 0.00% | +74,323 | New |
| Prudential Financial Inc | 75,195 | $209.0K | 0.00% | +45,370+152.1% | Added |
| Cerity Partners LLC | 75,719 | $210.5K | 0.00% | +63,577+523.6% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 79,598 | $221.3K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 83,239 | $231.4K | 0.00% | −5,468−6.2% | Reduced |
| Pictet Asset Management Holding SA | 86,684 | $241.0K | 0.00% | +20,834+31.6% | Added |
| Gsa Capital Partners LLP | 92,076 | $256.0K | 0.02% | +92,076 | New |
| Virtu Financial LLC | 93,169 | $259.0K | 0.01% | +93,169 | New |
| Ellevest, Inc. | 97,291 | $270.5K | 0.04% | −77,611−44.4% | Reduced |
| PEAK6 LLC | 97,645 | $271.5K | 0.01% | +97,645 | New |
| American Century Companies Inc | 98,202 | $273.0K | 0.00% | −11,202,509−99.1% | Reduced |
| Blair William & Co | 100,069 | $278.2K | 0.00% | +69+0.1% | Added |
| Mariner, LLC | 100,455 | $279.3K | 0.00% | +83,210+482.5% | Added |
| CWM, LLC | 100,533 | $279.5K | 0.00% | +98,343+4,490.5% | Added |
| Colony Group, LLC | 114,212 | $317.5K | 0.00% | +114,212 | New |
| Brevan Howard Capital Management LP | 114,350 | $317.9K | 0.00% | −31,345−21.5% | Reduced |
| Stifel Financial Corp | 115,994 | $322.5K | 0.00% | −131,655−53.2% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 119,493 | $332.2K | 0.00% | −34,176−22.2% | Reduced |
| Two Sigma Securities, LLC | 121,918 | $338.9K | 0.04% | +42,047+52.6% | Added |
| Banco Santander, S.A. | 124,536 | $346.2K | 0.00% | −29,988−19.4% | Reduced |
| Intech Investment Management LLC | 124,940 | $347.3K | 0.00% | −97,575−43.9% | Reduced |
| State of Wisconsin Investment Board | 125,172 | $348.0K | 0.00% | +99,069+379.5% | Added |
| Manufacturers Life Insurance Company, The | 128,919 | $358.4K | 0.00% | −92,702−41.8% | Reduced |
| BNP Paribas Arbitrage, SA | 128,982 | $358.6K | 0.00% | +31,902+32.9% | Added |
| State Board of Administration of Florida Retirement System | 130,370 | $362.4K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 130,933 | $364.0K | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 131,985 | $366.9K | 0.00% | +210.0% | Added |
| Scientech Research LLC | 138,072 | $383.8K | 0.32% | +138,072 | New |
| Pale Fire Capital SE | 145,000 | $403.1K | 0.04% | +145,000 | New |
| Gotham Asset Management, LLC | 145,620 | $404.8K | 0.00% | +96,960+199.3% | Added |
| Vanguard Investments Australia, Ltd. | 146,482 | $407.2K | 0.00% | +146,482 | New |
| Adage Capital Partners GP, L.L.C. | 150,000 | $417.0K | 0.00% | 00.0% | Unchanged |
| Gallagher Fiduciary Advisors, LLC | 150,403 | $418.1K | 0.02% | −48,318−24.3% | Reduced |
| Squarepoint Ops LLC | 150,723 | $419.0K | 0.00% | −478,619−76.1% | Reduced |
| Atria Investments LLC | 150,821 | $419.3K | 0.00% | −47,900−24.1% | Reduced |
| New York State Common Retirement Fund | 154,152 | $428.5K | 0.00% | −122,100−44.2% | Reduced |
| Amundi | 154,931 | $430.7K | 0.00% | +76,442+97.4% | Added |
| Alliancebernstein L.P. | 492,860 | $447.2K | 0.00% | −18,500−3.6% | Reduced |
| GF Fund Management Co. Ltd. | 163,701 | $455.1K | 0.01% | +19,892+13.8% | Added |
| Marshall Wace, LLP | 168,691 | $469.0K | 0.00% | +135,419+407.0% | Added |
| Axq Capital, LP | 181,054 | $503.3K | 0.06% | +181,054 | New |
| CWM Advisors, LLC | 183,420 | $509.9K | 0.03% | −340,513−65.0% | Reduced |
| Counterpoint Mutual Funds LLC | 191,885 | $533.4K | 0.08% | +191,885 | New |
| Engineers Gate Manager LP | 201,333 | $559.7K | 0.01% | +201,333 | New |
| Ethic Inc. | 201,480 | $560.1K | 0.01% | −112,680−35.9% | Reduced |
| Mercer Global Advisors Inc | 203,499 | $565.7K | 0.00% | +29,501+17.0% | Added |
| Itau Unibanco Holding S.A. | 208,847 | $580.6K | 0.01% | +208,847 | New |
| Janus Henderson Group PLC | 211,288 | $586.3K | 0.00% | 00.0% | Unchanged |
| Vanguard Global Advisers, LLC | 230,640 | $641.2K | 0.00% | +230,640 | New |
| KLP Kapitalforvaltning AS | 237,400 | $660.0K | 0.00% | +41,000+20.9% | Added |
| MetLife Investment Management | 238,147 | $662.0K | 0.00% | +11,114+4.9% | Added |
| Dalton Investments LLC | 250,000 | $695.0K | 0.67% | −250,000−50.0% | Reduced |
| Jupiter Asset Management Ltd | 261,059 | $725.7K | 0.00% | +261,059 | New |
| Cloverfields Capital Group, LP | 271,878 | $755.8K | 0.24% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 272,272 | $756.9K | 0.14% | +272,193+344,548.1% | Added |
| RWC Asset Management LLP | 292,513 | $813.2K | 0.03% | +292,513 | New |
| Legal & General Group Plc | 294,581 | $817.6K | 0.00% | −117,069−28.4% | Reduced |
| SBI Securities Co., Ltd. | 300,271 | $834.8K | 0.02% | +298,865+21,256.4% | Added |
| Headlands Technologies LLC | 306,574 | $852.3K | 0.10% | +306,574 | New |
| Numerai GP LLC | 309,767 | $861.2K | 0.09% | +233,211+304.6% | Added |
| Price T Rowe Associates Inc | 344,462 | $958.0K | 0.00% | +64,097+22.9% | Added |
| Verdence Capital Advisors LLC | 352,132 | $978.9K | 0.06% | +352,132 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 358,692 | $997.2K | 0.00% | +125,114+53.6% | Added |
| Schonfeld Strategic Advisors LLC | 367,733 | $1.02M | 0.01% | +367,733 | New |
| Vanguard Asset Management, Ltd | 392,801 | $1.09M | 0.00% | +392,801 | New |
| Man Group plc | 430,613 | $1.20M | 0.00% | +276,467+179.4% | Added |
| Deutsche Bank AG | 432,137 | $1.20M | 0.00% | +72,043+20.0% | Added |
| Moors & Cabot, Inc. | 438,950 | $1.22M | 0.05% | +255,000+138.6% | Added |
| Winton Group Ltd | 487,200 | $1.35M | 0.05% | +487,200 | New |
| Centiva Capital, LP | 495,305 | $1.38M | 0.06% | +495,305 | New |
| Aventail Capital Group, LP | 500,000 | $1.39M | 0.07% | +500,000 | New |
| IMC-Chicago, LLC | 508,873 | $1.41M | 0.02% | +188,922+59.0% | Added |
| Creative Planning | 514,155 | $1.43M | 0.00% | +211,588+69.9% | Added |
| Rhumbline Advisers | 590,100 | $1.64M | 0.00% | −22,864−3.7% | Reduced |
| Portolan Capital Management, LLC | 602,542 | $1.68M | 0.09% | +602,542 | New |
| Citigroup Inc | 623,677 | $1.73M | 0.00% | −137,136−18.0% | Reduced |
| Harbor Capital Advisors, Inc. | 653,420 | $1.82M | 0.15% | +408,386+166.7% | Added |
| California State Teachers Retirement System | 663,917 | $1.85M | 0.00% | +227,978+52.3% | Added |
| Ameriprise Financial Inc | 700,026 | $1.95M | 0.00% | −227,486−24.5% | Reduced |
| Gratia Capital, LLC | 719,800 | $2.00M | 1.89% | +719,800 | New |
| SG Americas Securities, LLC | 722,891 | $2.01M | 0.00% | +601,368+494.9% | Added |
| XTX Topco Ltd | 727,213 | $2.02M | 0.04% | −186,824−20.4% | Reduced |
| Raiffeisen Bank International AG | 700,000 | $2.07M | 0.03% | −300,000−30.0% | Reduced |
| Boothbay Fund Management, LLC | 759,700 | $2.11M | 0.05% | +759,700 | New |
| Caxton Associates LLP | 828,839 | $2.30M | 0.05% | +343,206+70.7% | Added |
| CenterBook Partners LP | 891,474 | $2.48M | 0.13% | +891,474 | New |
| Aquatic Capital Management LLC | 923,417 | $2.57M | 0.07% | +923,417 | New |