Kosmos EnergyKOS
13F holders, Q1 2026 (March 31)262holders +52
79new positions
30sold out
8famous investors
$2.78avg. 13F price*
At the end of Q1 2026, 262 institutions reported holding Kosmos Energy Ltd. (KOS) in their 13F filings, up 52 from Q4 2025. 79 opened new positions and 30 sold out. The largest holders were BlackRock, Inc. ($131.9M), State Street Corp. ($78.5M) and Equinox Partners Investment Management LLC ($57.5M). 8 famous investors held it, including Jeremy Grantham (0.1% of GMO's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Kosmos Energy Ltd.
- CUSIP
- 500688106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 79 | $152.3M |
| Exits | 30 | $2.6M |
All 13F filers, Q4 2025 → Q1 2026: 132,835,792 shares bought and 42,784,679 shares sold, net +90,051,113 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 262 holders
| BlackRock, Inc. | 0.00% | Add +1.3% | 47,463,094 | $131.9M |
| State Street Corp. | 0.00% | Add +38.3% | 28,247,797 | $78.5M |
| Equinox Partners Investment Management LLC | 23.95% | Add +6.2% | 20,678,033 | $57.5M |
| D. E. Shaw & Co. | 0.05% | Add +241.7% | 20,385,745 | $56.7M |
| Hotchkis & Wiley Capital Management LLC | 0.17% | Reduce -0.3% | 20,051,601 | $55.7M |
| Two Sigma Investments, LP | 0.04% | Add +384.5% | 18,680,328 | $51.9M |
| GMO | 0.13% | Reduce -47.4% | 18,307,718 | $50.9M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +17.4% | 14,135,448 | $39.3M |
| Geode Capital Management, LLC | 0.00% | Add +12.8% | 12,714,055 | $35.4M |
| Millennium Management | 0.03% | Reduce -14.8% | 12,632,904 | $35.1M |
| Jane Street Group, LLC | 0.04% | Add +26.7% | 11,743,115 | $32.6M |
| Invesco Ltd. | 0.00% | Add +496.0% | 11,150,239 | $31.0M |
| Goldman Sachs Group Inc. | 0.00% | Add +36.9% | 9,261,696 | $25.7M |
| Vanguard Portfolio Management LLC | 0.00% | — | 8,619,103 | $24.0M |
| Davidson Kempner Capital Management LP | 0.64% | New | 8,419,986 | $23.4M |
| First Trust Advisors LP | 0.02% | Add +9.2% | 7,694,248 | $21.4M |
| M&G PLC | 0.11% | Reduce -19.5% | 7,031,872 | $21.1M |
| Dimensional Fund Advisors LP | 0.00% | Add +20.5% | 7,083,075 | $19.7M |
| Vanguard Capital Management LLC | 0.00% | — | 6,422,390 | $17.9M |
| Russell Investments Group, Ltd. | 0.02% | Reduce -0.5% | 5,857,655 | $16.3M |
| Morgan Stanley | 0.00% | Add +23.9% | 5,837,077 | $16.2M |
| Bank of America Corp. | 0.00% | Add +43.9% | 5,541,020 | $15.4M |
| Renaissance Technologies | 0.02% | Add +224.0% | 5,339,638 | $14.8M |
| UBS Group AG | 0.00% | Reduce -21.6% | 4,812,090 | $13.4M |
| Boston Partners | 0.01% | New | 4,756,571 | $13.3M |
| Citadel Advisors | 0.01% | Reduce -19.9% | 4,450,077 | $12.4M |
| Northern Trust Corp. | 0.00% | Add +15.3% | 4,231,394 | $11.8M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +6.7% | 4,153,678 | $11.5M |
| Monaco Asset Management SAM | 3.69% | New | 4,045,884 | $11.2M |
| Ostrum Asset Management | 0.63% | No change | 4,008,525 | $11.1M |
| Vaughan Nelson Investment Management, L.P. | 0.11% | No change | 4,008,525 | $11.1M |
| Ghisallo Capital Management LLC | 0.28% | New | 3,675,000 | $10.2M |
| Nuveen, LLC | 0.00% | Add +144.1% | 3,314,644 | $9.2M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 3,232,465 | $9.0M |
| Covalis Capital LLP | 0.55% | New | 3,162,820 | $8.8M |
| HRT Financial LP | 0.02% | New | 2,719,928 | $7.6M |
| JPMorgan Chase & Co. | 0.00% | Add +26.8% | 2,551,897 | $7.6M |
| Nomura Holdings Inc. | 0.05% | Add +129.4% | 2,354,135 | $6.5M |
| Susquehanna International Group, LLP | 0.01% | Reduce -4.4% | 2,347,639 | $6.5M |
| Walleye Capital LLC | 0.04% | New | 2,314,477 | $6.4M |
| GeoSphere Capital Management, LLC | 3.41% | New | 2,038,788 | $5.7M |
| Ballast Asset Management, LP | 2.51% | Add +11.4% | 2,028,059 | $5.6M |
| Point72 Asset Management | 0.01% | Add +216.3% | 1,964,598 | $5.5M |
| Nantahala Capital Management, LLC | 0.32% | Reduce -21.3% | 1,844,194 | $5.1M |
| Arrowstreet Capital, Limited Partnership | 0.00% | New | 1,729,874 | $4.8M |
| Barclays PLC | 0.00% | Reduce -19.2% | 1,654,710 | $4.6M |
| Wells Fargo & Company | 0.00% | Reduce -9.7% | 1,559,792 | $4.3M |
| Sei Investments Co. | 0.00% | Add +76.8% | 1,515,992 | $4.2M |
| Bank of New York Mellon Corp | 0.00% | Reduce -1.2% | 1,507,387 | $4.2M |
| Quadrature Capital Ltd | 0.05% | New | 1,474,133 | $4.1M |
| J. Goldman & Co LP | 0.19% | New | 1,443,749 | $4.0M |
| LPL Financial LLC | 0.00% | New | 1,404,359 | $3.9M |
| Rafferty Asset Management, LLC | 0.02% | Add +66.2% | 1,347,730 | $3.7M |
| AQR Capital Management | 0.00% | Add +140.9% | 1,292,241 | $3.6M |
| Algert Global LLC | 0.05% | New | 1,256,867 | $3.5M |
| Quantbot Technologies LP | 0.14% | New | 1,231,912 | $3.4M |
| Swiss National Bank | 0.00% | Add +17.4% | 1,106,800 | $3.1M |
| ExodusPoint Capital Management, LP | 0.03% | New | 1,096,323 | $3.0M |
| LMR Partners LLP | 0.03% | New | 1,036,943 | $2.9M |
| First Sabrepoint Capital Management LP | 1.14% | New | 1,000,000 | $2.8M |
| Purpose Unlimited Inc. | 0.12% | New | 1,000,000 | $2.8M |
| Susquehanna Portfolio Strategies, LLC | 0.04% | New | 990,888 | $2.8M |
| Thomist Capital Management, LP | 0.88% | New | 927,209 | $2.6M |
| Aquatic Capital Management LLC | 0.07% | New | 923,417 | $2.6M |
| CenterBook Partners LP | 0.13% | New | 891,474 | $2.5M |
| Caxton Associates LLP | 0.05% | Add +70.7% | 828,839 | $2.3M |
| Boothbay Fund Management, LLC | 0.05% | New | 759,700 | $2.1M |
| Raiffeisen Bank International AG | 0.03% | Reduce -30.0% | 700,000 | $2.1M |
| XTX Topco Ltd | 0.04% | Reduce -20.4% | 727,213 | $2.0M |
| SG Americas Securities, LLC | 0.00% | Add +494.9% | 722,891 | $2.0M |
| Gratia Capital, LLC | 1.90% | New | 719,800 | $2.0M |
| Ameriprise Financial Inc. | 0.00% | Reduce -24.5% | 700,026 | $1.9M |
| California State Teachers Retirement System | 0.00% | Add +52.3% | 663,917 | $1.8M |
| Harbor Capital Advisors, Inc. | 0.15% | Add +166.7% | 653,420 | $1.8M |
| Citigroup Inc. | 0.00% | Reduce -18.0% | 623,677 | $1.7M |
| Portolan Capital Management, LLC | 0.09% | New | 602,542 | $1.7M |
| Rhumbline Advisers | 0.00% | Reduce -3.7% | 590,100 | $1.6M |
| Creative Planning | 0.00% | Add +69.9% | 514,155 | $1.4M |
| IMC-Chicago, LLC | 0.02% | Add +59.0% | 508,873 | $1.4M |
| Aventail Capital Group, LP | 0.07% | New | 500,000 | $1.4M |
| Centiva Capital, LP | 0.06% | New | 495,305 | $1.4M |
| WINTON GROUP Ltd | 0.05% | New | 487,200 | $1.4M |
| Moors & Cabot, Inc. | 0.05% | Add +138.6% | 438,950 | $1.2M |
| Deutsche Bank AG | 0.00% | Add +20.0% | 432,137 | $1.2M |
| Man Group plc | 0.00% | Add +179.3% | 430,613 | $1.2M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 392,801 | $1.1M |
| Schonfeld Strategic Advisors LLC | 0.01% | New | 367,733 | $1.0M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +53.6% | 358,692 | $997K |
| Verdence Capital Advisors LLC | 0.06% | New | 352,132 | $979K |
| T. Rowe Price Associates Inc. | 0.00% | Add +22.9% | 344,462 | $958K |
| Numerai GP LLC | 0.09% | Add +304.6% | 309,767 | $861K |
| Headlands Technologies LLC | 0.10% | New | 306,574 | $852K |
| SBI Securities Co., Ltd. | 0.02% | Add +21256.4% | 300,271 | $835K |
| Legal & General Group Plc | 0.00% | Reduce -28.4% | 294,581 | $818K |
| RWC Asset Management LLP | 0.04% | New | 292,513 | $813K |
| Caitong International Asset Management Co., Ltd | 0.14% | Add +344548.1% | 272,272 | $757K |
| Cloverfields Capital Group, LP | 0.24% | No change | 271,878 | $756K |
| Jupiter Asset Management Ltd. | 0.00% | New | 261,059 | $726K |
| Dalton Investments, Inc. | 0.67% | Reduce -50.0% | 250,000 | $695K |
| MetLife Investment Management, LLC | 0.00% | Add +4.9% | 238,147 | $662K |
"% of holder's portfolio" is KOS's weight in each manager's 13F, not the share of Kosmos Energy Ltd. the manager owns.