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 |
|---|---|---|---|---|---|
| KLP Kapitalforvaltning AS | 237,400 | $660.0K | 0.00% | +41,000+20.9% | Added |
| Vanguard Global Advisers, LLC | 230,640 | $641.2K | 0.00% | +230,640 | New |
| Janus Henderson Group PLC | 211,288 | $586.3K | 0.00% | 00.0% | Unchanged |
| Itau Unibanco Holding S.A. | 208,847 | $580.6K | 0.01% | +208,847 | New |
| Mercer Global Advisors Inc | 203,499 | $565.7K | 0.00% | +29,501+17.0% | Added |
| Ethic Inc. | 201,480 | $560.1K | 0.01% | −112,680−35.9% | Reduced |
| Engineers Gate Manager LP | 201,333 | $559.7K | 0.01% | +201,333 | New |
| Counterpoint Mutual Funds LLC | 191,885 | $533.4K | 0.08% | +191,885 | New |
| CWM Advisors, LLC | 183,420 | $509.9K | 0.03% | −340,513−65.0% | Reduced |
| Axq Capital, LP | 181,054 | $503.3K | 0.06% | +181,054 | New |
| Marshall Wace, LLP | 168,691 | $469.0K | 0.00% | +135,419+407.0% | Added |
| GF Fund Management Co. Ltd. | 163,701 | $455.1K | 0.01% | +19,892+13.8% | Added |
| Alliancebernstein L.P. | 492,860 | $447.2K | 0.00% | −18,500−3.6% | Reduced |
| Amundi | 154,931 | $430.7K | 0.00% | +76,442+97.4% | Added |
| New York State Common Retirement Fund | 154,152 | $428.5K | 0.00% | −122,100−44.2% | Reduced |
| Atria Investments LLC | 150,821 | $419.3K | 0.00% | −47,900−24.1% | Reduced |
| Squarepoint Ops LLC | 150,723 | $419.0K | 0.00% | −478,619−76.1% | Reduced |
| Gallagher Fiduciary Advisors, LLC | 150,403 | $418.1K | 0.02% | −48,318−24.3% | Reduced |
| Adage Capital Partners GP, L.L.C. | 150,000 | $417.0K | 0.00% | 00.0% | Unchanged |
| Vanguard Investments Australia, Ltd. | 146,482 | $407.2K | 0.00% | +146,482 | New |
| Gotham Asset Management, LLC | 145,620 | $404.8K | 0.00% | +96,960+199.3% | Added |
| Pale Fire Capital SE | 145,000 | $403.1K | 0.04% | +145,000 | New |
| Scientech Research LLC | 138,072 | $383.8K | 0.32% | +138,072 | New |
| Arizona State Retirement System | 131,985 | $366.9K | 0.00% | +210.0% | Added |
| Police & Firemen's Retirement System of New Jersey | 130,933 | $364.0K | 0.00% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 130,370 | $362.4K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 128,982 | $358.6K | 0.00% | +31,902+32.9% | Added |
| Manufacturers Life Insurance Company, The | 128,919 | $358.4K | 0.00% | −92,702−41.8% | Reduced |
| State of Wisconsin Investment Board | 125,172 | $348.0K | 0.00% | +99,069+379.5% | Added |
| Intech Investment Management LLC | 124,940 | $347.3K | 0.00% | −97,575−43.9% | Reduced |
| Banco Santander, S.A. | 124,536 | $346.2K | 0.00% | −29,988−19.4% | Reduced |
| Two Sigma Securities, LLC | 121,918 | $338.9K | 0.04% | +42,047+52.6% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 119,493 | $332.2K | 0.00% | −34,176−22.2% | Reduced |
| Stifel Financial Corp | 115,994 | $322.5K | 0.00% | −131,655−53.2% | Reduced |
| Brevan Howard Capital Management LP | 114,350 | $317.9K | 0.00% | −31,345−21.5% | Reduced |
| Colony Group, LLC | 114,212 | $317.5K | 0.00% | +114,212 | New |
| CWM, LLC | 100,533 | $279.5K | 0.00% | +98,343+4,490.5% | Added |
| Mariner, LLC | 100,455 | $279.3K | 0.00% | +83,210+482.5% | Added |
| Blair William & Co | 100,069 | $278.2K | 0.00% | +69+0.1% | Added |
| American Century Companies Inc | 98,202 | $273.0K | 0.00% | −11,202,509−99.1% | Reduced |
| PEAK6 LLC | 97,645 | $271.5K | 0.01% | +97,645 | New |
| Ellevest, Inc. | 97,291 | $270.5K | 0.04% | −77,611−44.4% | Reduced |
| Virtu Financial LLC | 93,169 | $259.0K | 0.01% | +93,169 | New |
| Gsa Capital Partners LLP | 92,076 | $256.0K | 0.02% | +92,076 | New |
| Pictet Asset Management Holding SA | 86,684 | $241.0K | 0.00% | +20,834+31.6% | Added |
| Voya Investment Management LLC | 83,239 | $231.4K | 0.00% | −5,468−6.2% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 79,598 | $221.3K | 0.00% | 00.0% | Unchanged |
| Cerity Partners LLC | 75,719 | $210.5K | 0.00% | +63,577+523.6% | Added |
| Prudential Financial Inc | 75,195 | $209.0K | 0.00% | +45,370+152.1% | Added |
| Wellington Management Group LLP | 74,323 | $206.6K | 0.00% | +74,323 | New |
| Balyasny Asset Management LLC | 72,405 | $201.3K | 0.00% | +5,392+8.0% | Added |
| Sanders Morris Harris LLC | 71,000 | $197.4K | 0.03% | +71,000 | New |
| Tower Research Capital LLC (TRC) | 69,017 | $191.9K | 0.00% | +42,322+158.5% | Added |
| ProShare Advisors LLC | 68,776 | $191.2K | 0.00% | −17,944−20.7% | Reduced |
| Public Employees Retirement Association of Colorado | 65,370 | $182.0K | 0.00% | 00.0% | Unchanged |
| SFMG, LLC | 63,480 | $176.5K | 0.01% | −20,000−24.0% | Reduced |
| Graham Capital Management, L.P. | 62,305 | $173.2K | 0.01% | −647,880−91.2% | Reduced |
| FMR LLC | 54,514 | $151.5K | 0.00% | +19,913+57.6% | Added |
| Commonwealth Equity Services, LLC | 54,478 | $151.4K | 0.00% | −2,100−3.7% | Reduced |
| Captrust Financial Advisors | 53,939 | $150.0K | 0.00% | +25,338+88.6% | Added |
| Victory Capital Management Inc | 52,806 | $146.8K | 0.00% | −66−0.1% | Reduced |
| Omers Administration Corp | 52,800 | $146.8K | 0.00% | +52,800 | New |
| Raymond James Financial Inc | 51,378 | $142.8K | 0.00% | −832,521−94.2% | Reduced |
| DRW Securities, LLC | 51,024 | $141.8K | 0.01% | −35,641−41.1% | Reduced |
| JustInvest LLC | 47,175 | $131.1K | 0.00% | +31,038+192.3% | Added |
| Clear Street Markets LLC | 47,000 | $130.7K | 0.06% | +47,000 | New |
| Public Employees Retirement System of Ohio | 46,938 | $130.5K | 0.00% | +4,361+10.2% | Added |
| Great West Life Assurance Co | 46,757 | $130.0K | 0.00% | 00.0% | Unchanged |
| Ieq Capital, LLC | 45,869 | $127.5K | 0.00% | +45,869 | New |
| Wealth Enhancement Advisory Services, LLC | 40,945 | $119.6K | 0.00% | +24,332+146.5% | Added |
| Xponance, Inc. | 42,733 | $118.8K | 0.00% | +6,052+16.5% | Added |
| Sawgrass Asset Management LLC | 40,709 | $113.2K | 0.02% | +14,885+57.6% | Added |
| Prelude Capital Management, LLC | 39,654 | $110.2K | 0.01% | +39,654 | New |
| Ameritas Investment Partners, Inc. | 39,642 | $110.2K | 0.00% | 00.0% | Unchanged |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 38,153 | $106.1K | 0.00% | −703−1.8% | Reduced |
| DGS Capital Management, LLC | 35,613 | $99.0K | 0.02% | +2,038+6.1% | Added |
| Swiss Life Asset Management Ltd | 34,678 | $96.4K | 0.00% | +13,690+65.2% | Added |
| Smith, Moore & Co. | 34,386 | $95.6K | 0.01% | +6,360+22.7% | Added |
| Ballentine Partners, LLC | 34,094 | $94.8K | 0.00% | +9,988+41.4% | Added |
| Jump Financial, LLC | 32,773 | $91.1K | 0.00% | +32,773 | New |
| US Bancorp | 31,070 | $86.4K | 0.00% | +10,688+52.4% | Added |
| Neuberger Berman Group LLC | 30,408 | $84.5K | 0.00% | +15,521+104.3% | Added |
| Fruth Investment Management | 30,000 | $83.0K | 0.02% | −2,000−6.3% | Reduced |
| Old Port Advisors | 29,704 | $82.6K | 0.02% | 00.0% | Unchanged |
| Franklin Resources Inc | 29,017 | $80.7K | 0.00% | +14,595+101.2% | Added |
| Inspirion Wealth Advisors, LLC | 27,828 | $77.4K | 0.01% | +27,828 | New |
| Sig Brokerage, LP | 26,288 | $73.1K | 0.02% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 25,268 | $70.2K | 0.00% | +13,031+106.5% | Added |
| Westhampton Capital, LLC | 25,000 | $69.5K | 0.03% | 00.0% | Unchanged |
| Militia Capital Management LLC | 25,000 | $69.5K | 0.02% | +25,000 | New |
| CIBC Bancorp USA Inc. | 24,224 | $67.3K | 0.00% | +24,224 | New |
| SmartHarvest Portfolios, LLC | 23,814 | $66.2K | 0.03% | +10,050+73.0% | Added |
| Signaturefd, LLC | 23,458 | $65.2K | 0.00% | +4,759+25.5% | Added |
| CAPROCK Group, Inc. | 23,430 | $65.1K | 0.00% | +1,709+7.9% | Added |
| GTS Securities LLC | 23,085 | $64.2K | 0.00% | −4,029−14.9% | Reduced |
| Marex Group plc | 22,261 | $61.9K | 0.00% | −240−1.1% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 21,649 | $60.2K | 0.00% | +21,649 | New |
| Principal Financial Group Inc | 20,413 | $56.7K | 0.00% | −60.0% | Reduced |
| Lexington Hill Partners, LLC | 20,000 | $55.6K | 0.03% | 00.0% | Unchanged |
| R Squared Ltd | 19,365 | $53.8K | 0.03% | +2,170+12.6% | Added |