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 $909.2M 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
- +107.4M (+32.9%) vs. Q4 2025
- Total value
- $1.21B
- +$910.8M (+306.4%) 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 | $909.2M |
| Q1 2026 | 263 | $1.21B |
| Q4 2025 | 210 | $310.8M |
| Q3 2025 | 236 | $663.3M |
| Q2 2025 | 227 | $714.8M |
| Q1 2025 | 253 | $991.4M |
| 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, 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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 47,463,094 | $131.9M | 0.00% | +610,534+1.3% | Added |
| State Street Corp | 28,247,797 | $78.5M | 0.00% | +7,817,721+38.3% | Added |
| Equinox Partners Investment Management LLC | 20,678,033 | $57.5M | 23.42% | +1,208,053+6.2% | Added |
| D. E. Shaw & Co., Inc. | 20,385,745 | $56.7M | 0.04% | +14,420,042+241.7% | Added |
| Hotchkis & Wiley Capital Management LLC | 20,051,601 | $55.7M | 0.17% | −59,280−0.3% | Reduced |
| Two Sigma Investments, LP | 18,680,328 | $51.9M | 0.04% | +14,824,861+384.5% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 18,307,718 | $50.9M | 0.13% | −16,496,599−47.4% | Reduced |
| Charles Schwab Investment Management Inc | 14,135,448 | $39.3M | 0.01% | +2,089,855+17.3% | Added |
| Geode Capital Management, LLC | 12,714,055 | $35.4M | 0.00% | +1,441,737+12.8% | Added |
| Millennium Management LLC | 12,632,904 | $35.1M | 0.03% | −2,195,062−14.8% | Reduced |
| Jane Street Group, LLC | 11,743,115 | $32.6M | 0.04% | +2,473,362+26.7% | Added |
| Invesco Ltd. | 11,150,239 | $31.0M | 0.00% | +9,279,333+496.0% | Added |
| Goldman Sachs Group Inc | 9,261,696 | $25.7M | 0.00% | +2,494,839+36.9% | Added |
| Vanguard Portfolio Management LLC | 8,619,103 | $24.0M | 0.00% | +8,619,103 | New |
| Davidson Kempner Capital Management LP | 8,419,986 | $23.4M | 0.42% | +8,419,986 | New |
| First Trust Advisors LP | 7,694,248 | $21.4M | 0.02% | +646,052+9.2% | Added |
| M&G Plc | 7,031,872 | $21.1M | 0.11% | −1,705,051−19.5% | Reduced |
| Dimensional Fund Advisors LP | 7,083,075 | $19.7M | 0.00% | +1,204,789+20.5% | Added |
| Vanguard Capital Management LLC | 6,422,390 | $17.9M | 0.00% | +6,422,390 | New |
| Russell Investments Group, Ltd. | 5,857,655 | $16.3M | 0.02% | −27,998−0.5% | Reduced |
| Morgan Stanley | 5,837,077 | $16.2M | 0.00% | +1,127,868+24.0% | Added |
| Bank of America Corp | 5,541,020 | $15.4M | 0.00% | +1,689,800+43.9% | Added |
| Renaissance Technologies LLC | 5,339,638 | $14.8M | 0.02% | +3,691,800+224.0% | Added |
| UBS Group AG | 4,812,090 | $13.4M | 0.00% | −1,325,943−21.6% | Reduced |
| Boston Partners | 4,756,571 | $13.3M | 0.01% | +4,756,571 | New |
| Citadel Advisors LLC | 4,450,077 | $12.4M | 0.01% | −1,106,175−19.9% | Reduced |
| Northern Trust Corp | 4,231,394 | $11.8M | 0.00% | +560,501+15.3% | Added |
| UBS Asset Management Americas Inc | 4,153,678 | $11.5M | 0.00% | +260,328+6.7% | Added |
| Monaco Asset Management SAM | 4,045,884 | $11.2M | 3.57% | +4,045,884 | 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 |
| Ghisallo Capital Management LLC | 3,675,000 | $10.2M | 0.28% | +3,675,000 | New |
| Nuveen, LLC | 3,314,644 | $9.21M | 0.00% | +1,956,564+144.1% | Added |
| Vanguard Fiduciary Trust Co | 3,232,465 | $8.99M | 0.00% | +3,232,465 | New |
| Covalis Capital LLP | 3,162,820 | $8.79M | 0.54% | +3,162,820 | New |
| HRT Financial LP | 2,719,928 | $7.56M | 0.02% | +2,719,928 | New |
| JPMorgan Chase & Co | 2,551,897 | $7.55M | 0.00% | +538,781+26.8% | Added |
| Nomura Holdings Inc | 2,354,135 | $6.54M | 0.05% | +1,328,133+129.4% | Added |
| Susquehanna International Group, LLP | 2,347,639 | $6.53M | 0.01% | −108,812−4.4% | Reduced |
| Walleye Capital LLC | 2,314,477 | $6.43M | 0.04% | +2,314,477 | New |
| GeoSphere Capital Management, LLC | 2,038,788 | $5.67M | 3.41% | +2,038,788 | New |
| Ballast Asset Management, LP | 2,028,059 | $5.64M | 2.51% | +207,315+11.4% | Added |
| Point72 Asset Management, L.P. | 1,964,598 | $5.46M | 0.01% | +1,343,492+216.3% | Added |
| Nantahala Capital Management, LLC | 1,844,194 | $5.13M | 0.32% | −500,000−21.3% | Reduced |
| Arrowstreet Capital, Limited Partnership | 1,729,874 | $4.81M | 0.00% | +1,729,874 | New |
| Barclays PLC | 1,654,710 | $4.60M | 0.00% | −393,574−19.2% | Reduced |
| Wells Fargo & Company | 1,559,792 | $4.34M | 0.00% | −167,748−9.7% | Reduced |
| SEI Investments Co | 1,515,992 | $4.21M | 0.00% | +658,414+76.8% | Added |
| Bank of New York Mellon Corp | 1,507,387 | $4.19M | 0.00% | −17,648−1.2% | Reduced |
| Quadrature Capital Ltd | 1,474,133 | $4.10M | 0.05% | +1,474,133 | New |
| J. Goldman & Co LP | 1,443,749 | $4.01M | 0.19% | +1,443,749 | New |
| LPL Financial LLC | 1,404,359 | $3.90M | 0.00% | +1,404,359 | New |
| Rafferty Asset Management, LLC | 1,347,730 | $3.75M | 0.02% | +536,724+66.2% | Added |
| AQR Capital Management LLC | 1,292,241 | $3.59M | 0.00% | +755,919+140.9% | Added |
| Algert Global LLC | 1,256,867 | $3.49M | 0.05% | +1,256,867 | New |
| Quantbot Technologies LP | 1,231,912 | $3.42M | 0.14% | +1,231,912 | New |
| Swiss National Bank | 1,106,800 | $3.08M | 0.00% | +163,900+17.4% | Added |
| ExodusPoint Capital Management, LP | 1,096,323 | $3.05M | 0.03% | +1,096,323 | New |
| LMR Partners LLP | 1,036,943 | $2.88M | 0.03% | +1,036,943 | 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 |
| Susquehanna Portfolio Strategies, LLC | 990,888 | $2.75M | 0.04% | +990,888 | New |
| Thomist Capital Management, LP | 927,209 | $2.58M | 0.88% | +927,209 | New |
| Aquatic Capital Management LLC | 923,417 | $2.57M | 0.07% | +923,417 | New |
| CenterBook Partners LP | 891,474 | $2.48M | 0.13% | +891,474 | New |
| Caxton Associates LLP | 828,839 | $2.30M | 0.05% | +343,206+70.7% | Added |
| Boothbay Fund Management, LLC | 759,700 | $2.11M | 0.05% | +759,700 | New |
| Raiffeisen Bank International AG | 700,000 | $2.07M | 0.03% | −300,000−30.0% | Reduced |
| XTX Topco Ltd | 727,213 | $2.02M | 0.04% | −186,824−20.4% | Reduced |
| SG Americas Securities, LLC | 722,891 | $2.01M | 0.00% | +601,368+494.9% | Added |
| Gratia Capital, LLC | 719,800 | $2.00M | 1.89% | +719,800 | New |
| Ameriprise Financial Inc | 700,026 | $1.95M | 0.00% | −227,486−24.5% | Reduced |
| California State Teachers Retirement System | 663,917 | $1.85M | 0.00% | +227,978+52.3% | Added |
| Harbor Capital Advisors, Inc. | 653,420 | $1.82M | 0.15% | +408,386+166.7% | Added |
| Citigroup Inc | 623,677 | $1.73M | 0.00% | −137,136−18.0% | Reduced |
| Portolan Capital Management, LLC | 602,542 | $1.68M | 0.09% | +602,542 | New |
| Rhumbline Advisers | 590,100 | $1.64M | 0.00% | −22,864−3.7% | Reduced |
| Creative Planning | 514,155 | $1.43M | 0.00% | +211,588+69.9% | Added |
| IMC-Chicago, LLC | 508,873 | $1.41M | 0.02% | +188,922+59.0% | Added |
| Aventail Capital Group, LP | 500,000 | $1.39M | 0.07% | +500,000 | New |
| Centiva Capital, LP | 495,305 | $1.38M | 0.06% | +495,305 | New |
| Winton Group Ltd | 487,200 | $1.35M | 0.05% | +487,200 | New |
| Moors & Cabot, Inc. | 438,950 | $1.22M | 0.05% | +255,000+138.6% | Added |
| Deutsche Bank AG | 432,137 | $1.20M | 0.00% | +72,043+20.0% | Added |
| Man Group plc | 430,613 | $1.20M | 0.00% | +276,467+179.4% | Added |
| Vanguard Asset Management, Ltd | 392,801 | $1.09M | 0.00% | +392,801 | New |
| Schonfeld Strategic Advisors LLC | 367,733 | $1.02M | 0.01% | +367,733 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 358,692 | $997.2K | 0.00% | +125,114+53.6% | Added |
| Verdence Capital Advisors LLC | 352,132 | $978.9K | 0.06% | +352,132 | New |
| Price T Rowe Associates Inc | 344,462 | $958.0K | 0.00% | +64,097+22.9% | Added |
| Numerai GP LLC | 309,767 | $861.2K | 0.09% | +233,211+304.6% | Added |
| Headlands Technologies LLC | 306,574 | $852.3K | 0.10% | +306,574 | New |
| SBI Securities Co., Ltd. | 300,271 | $834.8K | 0.02% | +298,865+21,256.4% | Added |
| Legal & General Group Plc | 294,581 | $817.6K | 0.00% | −117,069−28.4% | Reduced |
| RWC Asset Management LLP | 292,513 | $813.2K | 0.03% | +292,513 | New |
| Caitong International Asset Management Co., Ltd | 272,272 | $756.9K | 0.14% | +272,193+344,548.1% | Added |
| Cloverfields Capital Group, LP | 271,878 | $755.8K | 0.24% | 00.0% | Unchanged |
| Jupiter Asset Management Ltd | 261,059 | $725.7K | 0.00% | +261,059 | New |
| Dalton Investments LLC | 250,000 | $695.0K | 0.67% | −250,000−50.0% | Reduced |
| MetLife Investment Management | 238,147 | $662.0K | 0.00% | +11,114+4.9% | Added |