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 |
|---|---|---|---|---|---|
| Thomist Capital Management, LP | 927,209 | $2.58M | 0.88% | +927,209 | New |
| Susquehanna Portfolio Strategies, LLC | 990,888 | $2.75M | 0.04% | +990,888 | New |
| First Sabrepoint Capital Management LP | 1,000,000 | $2.78M | 1.14% | +1,000,000 | New |
| Purpose Unlimited Inc. | 1,000,000 | $2.78M | 0.11% | +1,000,000 | New |
| LMR Partners LLP | 1,036,943 | $2.88M | 0.03% | +1,036,943 | New |
| ExodusPoint Capital Management, LP | 1,096,323 | $3.05M | 0.03% | +1,096,323 | New |
| Swiss National Bank | 1,106,800 | $3.08M | 0.00% | +163,900+17.4% | Added |
| Quantbot Technologies LP | 1,231,912 | $3.42M | 0.14% | +1,231,912 | New |
| Algert Global LLC | 1,256,867 | $3.49M | 0.05% | +1,256,867 | New |
| AQR Capital Management LLC | 1,292,241 | $3.59M | 0.00% | +755,919+140.9% | Added |
| Rafferty Asset Management, LLC | 1,347,730 | $3.75M | 0.02% | +536,724+66.2% | Added |
| LPL Financial LLC | 1,404,359 | $3.90M | 0.00% | +1,404,359 | New |
| J. Goldman & Co LP | 1,443,749 | $4.01M | 0.19% | +1,443,749 | New |
| Quadrature Capital Ltd | 1,474,133 | $4.10M | 0.05% | +1,474,133 | New |
| Bank of New York Mellon Corp | 1,507,387 | $4.19M | 0.00% | −17,648−1.2% | Reduced |
| SEI Investments Co | 1,515,992 | $4.21M | 0.00% | +658,414+76.8% | Added |
| Wells Fargo & Company | 1,559,792 | $4.34M | 0.00% | −167,748−9.7% | Reduced |
| Barclays PLC | 1,654,710 | $4.60M | 0.00% | −393,574−19.2% | Reduced |
| Arrowstreet Capital, Limited Partnership | 1,729,874 | $4.81M | 0.00% | +1,729,874 | New |
| Nantahala Capital Management, LLC | 1,844,194 | $5.13M | 0.32% | −500,000−21.3% | Reduced |
| Point72 Asset Management, L.P. | 1,964,598 | $5.46M | 0.01% | +1,343,492+216.3% | Added |
| Ballast Asset Management, LP | 2,028,059 | $5.64M | 2.51% | +207,315+11.4% | Added |
| GeoSphere Capital Management, LLC | 2,038,788 | $5.67M | 3.41% | +2,038,788 | New |
| Walleye Capital LLC | 2,314,477 | $6.43M | 0.04% | +2,314,477 | New |
| Susquehanna International Group, LLP | 2,347,639 | $6.53M | 0.01% | −108,812−4.4% | Reduced |
| Nomura Holdings Inc | 2,354,135 | $6.54M | 0.05% | +1,328,133+129.4% | Added |
| JPMorgan Chase & Co | 2,551,897 | $7.55M | 0.00% | +538,781+26.8% | Added |
| HRT Financial LP | 2,719,928 | $7.56M | 0.02% | +2,719,928 | New |
| Covalis Capital LLP | 3,162,820 | $8.79M | 0.54% | +3,162,820 | New |
| Vanguard Fiduciary Trust Co | 3,232,465 | $8.99M | 0.00% | +3,232,465 | New |
| Nuveen, LLC | 3,314,644 | $9.21M | 0.00% | +1,956,564+144.1% | Added |
| Ghisallo Capital Management LLC | 3,675,000 | $10.2M | 0.28% | +3,675,000 | New |
| Ostrum Asset Management | 4,008,525 | $11.1M | 0.63% | 00.0% | Unchanged |
| Vaughan Nelson Investment Management, L.P. | 4,008,525 | $11.1M | 0.11% | 00.0% | Unchanged |
| Monaco Asset Management SAM | 4,045,884 | $11.2M | 3.57% | +4,045,884 | New |
| UBS Asset Management Americas Inc | 4,153,678 | $11.5M | 0.00% | +260,328+6.7% | Added |
| Northern Trust Corp | 4,231,394 | $11.8M | 0.00% | +560,501+15.3% | Added |
| Citadel Advisors LLC | 4,450,077 | $12.4M | 0.01% | −1,106,175−19.9% | Reduced |
| Boston Partners | 4,756,571 | $13.3M | 0.01% | +4,756,571 | New |
| UBS Group AG | 4,812,090 | $13.4M | 0.00% | −1,325,943−21.6% | Reduced |
| Renaissance Technologies LLC | 5,339,638 | $14.8M | 0.02% | +3,691,800+224.0% | Added |
| Bank of America Corp | 5,541,020 | $15.4M | 0.00% | +1,689,800+43.9% | Added |
| Morgan Stanley | 5,837,077 | $16.2M | 0.00% | +1,127,868+24.0% | Added |
| Russell Investments Group, Ltd. | 5,857,655 | $16.3M | 0.02% | −27,998−0.5% | Reduced |
| Vanguard Capital Management LLC | 6,422,390 | $17.9M | 0.00% | +6,422,390 | New |
| Dimensional Fund Advisors LP | 7,083,075 | $19.7M | 0.00% | +1,204,789+20.5% | Added |
| M&G Plc | 7,031,872 | $21.1M | 0.11% | −1,705,051−19.5% | Reduced |
| First Trust Advisors LP | 7,694,248 | $21.4M | 0.02% | +646,052+9.2% | Added |
| Davidson Kempner Capital Management LP | 8,419,986 | $23.4M | 0.42% | +8,419,986 | New |
| Vanguard Portfolio Management LLC | 8,619,103 | $24.0M | 0.00% | +8,619,103 | New |
| Goldman Sachs Group Inc | 9,261,696 | $25.7M | 0.00% | +2,494,839+36.9% | Added |
| Invesco Ltd. | 11,150,239 | $31.0M | 0.00% | +9,279,333+496.0% | Added |
| Jane Street Group, LLC | 11,743,115 | $32.6M | 0.04% | +2,473,362+26.7% | Added |
| Millennium Management LLC | 12,632,904 | $35.1M | 0.03% | −2,195,062−14.8% | Reduced |
| Geode Capital Management, LLC | 12,714,055 | $35.4M | 0.00% | +1,441,737+12.8% | Added |
| Charles Schwab Investment Management Inc | 14,135,448 | $39.3M | 0.01% | +2,089,855+17.3% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 18,307,718 | $50.9M | 0.13% | −16,496,599−47.4% | Reduced |
| Two Sigma Investments, LP | 18,680,328 | $51.9M | 0.04% | +14,824,861+384.5% | Added |
| Hotchkis & Wiley Capital Management LLC | 20,051,601 | $55.7M | 0.17% | −59,280−0.3% | Reduced |
| D. E. Shaw & Co., Inc. | 20,385,745 | $56.7M | 0.04% | +14,420,042+241.7% | Added |
| Equinox Partners Investment Management LLC | 20,678,033 | $57.5M | 23.42% | +1,208,053+6.2% | Added |
| State Street Corp | 28,247,797 | $78.5M | 0.00% | +7,817,721+38.3% | Added |
| BlackRock, Inc. | 47,463,094 | $131.9M | 0.00% | +610,534+1.3% | Added |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −1,834,222−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −884,523−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −503,520−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −231,275−100.0% | Sold out |
| Alpine Global Management, LLC | 0 | $0 | 0.00% | −206,729−100.0% | Sold out |
| Aristides Capital LLC | 0 | $0 | 0.00% | −197,200−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −192,424−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −139,947−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −81,147−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −52,800−100.0% | Sold out |
| Sagewood Asset Management LP | 0 | $0 | 0.00% | −45,890−100.0% | Sold out |
| Mackenzie Financial Corp | 0 | $0 | 0.00% | −42,668−100.0% | Sold out |
| Woodmont Investment Counsel LLC | 0 | $0 | 0.00% | −38,925−100.0% | Sold out |
| BWM Planning, LLC | 0 | $0 | 0.00% | −31,898−100.0% | Sold out |
| Abacus Wealth Partners, LLC | 0 | $0 | 0.00% | −26,532−100.0% | Sold out |
| CoreCommodity Management, LLC | 0 | $0 | 0.00% | −19,180−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −15,782−100.0% | Sold out |
| Athena Wealth Management, LLC | 0 | $0 | 0.00% | −13,418−100.0% | Sold out |
| J.W. Cole Advisors, Inc. | 0 | $0 | 0.00% | −11,600−100.0% | Sold out |
| NewEdge Wealth, LLC | 0 | $0 | 0.00% | −11,382−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −8,496−100.0% | Sold out |
| Barrow Hanley Mewhinney & Strauss LLC | 0 | $0 | 0.00% | −4,396−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −2,380−100.0% | Sold out |
| Federation des caisses Desjardins du Quebec | 0 | $0 | 0.00% | −3,500−100.0% | Sold out |
| Optiver Holding B.V. | 0 | $0 | 0.00% | −777−100.0% | Sold out |
| Smartleaf Asset Management LLC | 0 | $0 | 0.00% | −550−100.0% | Sold out |
| American National Bank | 0 | $0 | 0.00% | −174−100.0% | Sold out |
| DV Trading LLC | 0 | $0 | 0.00% | −57−100.0% | Sold out |
| The PNC Financial Services Group, Inc. | 0 | $0 | 0.00% | −34−100.0% | Sold out |
| Covestor Ltd | 0 | $0 | 0.00% | −53−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| CIBC World Markets Corp | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |