KOSMOS ENERGY LTD (KOS)
Institutional ownership reported to the SEC as of Q2 2026, across 31 quarters.
260
Reporting holders
$961.9M
Reported value
74.2%
Of shares outstanding
3.1%
Held as options
+8
Holder change
Institutions report 441,799,368 shares against 595,487,651 outstanding. Shares only - option lines are excluded, which is why this can be compared with the company at all. The count comes from the cover page of the company's own most recent report, so it is dated when that was filed rather than at quarter end.
Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| BlackRock, Inc. | $118.2M | 56,023,521 | 0.00% | 8q | +18.0%+$18.1M |
| STATE STREET CORP | $62.1M | 29,453,016 | 0.00% | 30q | +4.3%+$2.5M |
| TWO SIGMA INVESTMENTS, LP | $53.6M | 25,398,092 | 0.04% | 6q | +36.0%+$14.2M |
| D. E. Shaw & Co., Inc. | $51.8M | 24,538,308 | 0.02% | 8q | +20.4%+$8.8M |
| Equinox Partners Investment Management LLC | $43.6M | 20,678,033 | 20.54% | 18q | HELD |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | $39.8M | 18,844,781 | 0.12% | 31q | -6.0%-$2.5M |
| GEODE CAPITAL MANAGEMENT, LLC | $36.0M | 17,066,608 | 0.00% | 31q | +34.2%+$9.2M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $29.1M | 13,769,666 | 0.00% | 31q | -2.6%-$771.8K |
| Sixth Street Partners Management Company, L.P. | $29.1M | 13,769,666 | 0.00% | new | NEW |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $25.3M | 12,000,418 | 0.00% | 2q | +39.2%+$7.1M |
| Grantham, Mayo, Van Otterloo & Co. LLC | $25.0M | 11,850,124 | 0.06% | 25q | -35.3%-$13.6M |
| Invesco Ltd. | $23.1M | 10,949,038 | 0.00% | 31q | -1.8%-$424.5K |
| DIMENSIONAL FUND ADVISORS LP | $20.2M | 9,582,883 | 0.00% | 31q | +35.3%+$5.3M |
| GOLDMAN SACHS GROUP INC | $18.0M | 8,531,947 | 0.00% | 31q | -7.9%-$1.5M |
| AMERICAN CENTURY COMPANIES INC | $17.0M | 8,036,479 | 0.01% | 22q | +8083.6%+$16.7M |
| Davidson Kempner Capital Management LP | $16.9M | 8,000,323 | 0.20% | 2q | -5.0%-$885.5K |
| MILLENNIUM MANAGEMENT LLC | $15.7M | 7,429,695 | 0.01% | 31q | -41.2%-$11.0M |
| MORGAN STANLEY | $15.5M | 7,360,428 | 0.00% | 31q | +26.1%+$3.2M |
| Nuveen, LLC | $15.5M | 7,330,487 | 0.00% | 6q | +121.2%+$8.5M |
| M&G PLC | $14.8M | 7,409,687 | 0.07% | 10q | +5.4%+$755.6K |
| RENAISSANCE TECHNOLOGIES LLC | $14.8M | 7,008,668 | 0.02% | 4q | +31.3%+$3.5M |
| VANGUARD CAPITAL MANAGEMENT LLC | $14.4M | 6,812,762 | 0.00% | 2q | +6.1%+$823.7K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $13.7M | 3,356,675 | 0.00% | 31q | +43.0%+$4.1M |
| UBS Group AG | $12.8M | 6,079,462 | 0.00% | 31q | +26.3%+$2.7M |
| NORTHERN TRUST CORP | $11.2M | 5,312,419 | 0.00% | 31q | +25.5%+$2.3M |
| Bridgewater Associates, LP | $10.0M | 4,720,550 | 0.04% | new | NEW |
| Boston Partners | $8.9M | 4,097,453 | 0.01% | 2q | -13.9%-$1.4M |
| AQR CAPITAL MANAGEMENT LLC | $8.6M | 4,087,736 | 0.00% | 30q | +216.3%+$5.9M |
| FIRST TRUST ADVISORS LP | $8.5M | 4,013,283 | 0.00% | 29q | -47.8%-$7.8M |
| VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. | $8.5M | 4,008,525 | 0.07% | 31q | HELD |
| OSTRUM ASSET MANAGEMENT | $8.5M | 4,008,525 | 0.41% | 6q | HELD |
| VANGUARD FIDUCIARY TRUST CO | $7.3M | 3,481,976 | 0.00% | 2q | +7.7%+$526.5K |
| BANK OF AMERICA CORP /DE/ | $6.2M | 2,932,515 | 0.00% | 31q | -47.1%-$5.5M |
| GeoSphere Capital Management, LLC | $5.9M | 2,813,788 | 1.94% | 2q | +38.0%+$1.6M |
| Russell Investments Group, Ltd. | $5.6M | 2,643,845 | 0.00% | 26q | -54.9%-$6.8M |
| ALGERT GLOBAL LLC | $5.3M | 2,490,698 | 0.06% | 2q | -0.9%-$48.6K |
| GROUP ONE TRADING LLC | $5.2M | 140,799 | 0.01% | 31q | HELD |
| CITADEL ADVISORS LLC | $4.8M | 194,910 | 0.00% | 31q | -95.6%-$105.8M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $4.8M | 2,281,727 | 0.00% | 31q | -45.1%-$3.9M |
| GRATIA CAPITAL, LLC | $4.4M | 963,678 | 2.68% | 5q | +33.9%+$1.1M |
| WELLS FARGO & COMPANY/MN | $4.3M | 2,057,790 | 0.00% | 31q | -34.0%-$2.2M |
| NOMURA HOLDINGS INC | $4.3M | 2,029,307 | 0.01% | 4q | -13.8%-$685.4K |
| Ballast Asset Management, LP | $4.2M | 2,008,153 | 1.69% | 12q | -1.0%-$42.0K |
| Point72 Asset Management, L.P. | $4.2M | 1,977,722 | 0.00% | 3q | +0.7%+$27.7K |
| Bank of New York Mellon Corp | $3.9M | 1,854,622 | 0.00% | 31q | +23.0%+$732.7K |
| BARCLAYS PLC | $3.7M | 1,733,808 | 0.00% | 31q | +4.8%+$166.9K |
| IMC-Chicago, LLC | $3.5M | 565,717 | 0.00% | 8q | +11.2%+$346.9K |
| Gotham Asset Management, LLC | $3.4M | 1,590,570 | 0.01% | 27q | +992.3%+$3.0M |
| SIMPLEX TRADING, LLC | $3.3M | options only | 0.00% | 21q | OPTIONS |
| LMR Partners LLP | $3.2M | 1,505,351 | 0.01% | 2q | +45.2%+$988.3K |
| LPL Financial LLC | $2.9M | 1,377,423 | 0.00% | 2q | -1.9%-$56.8K |
| Squarepoint Ops LLC | $2.9M | 1,376,536 | 0.00% | 11q | +813.3%+$2.6M |
| CenterBook Partners LP | $2.8M | 1,314,526 | 0.14% | 2q | +47.5%+$892.6K |
| Swiss National Bank | $2.4M | 1,160,400 | 0.00% | 31q | +4.8%+$113.1K |
| Man Group plc | $2.4M | 1,142,835 | 0.00% | 3q | +165.4%+$1.5M |
| FMR LLC | $2.4M | 1,116,134 | 0.00% | 31q | +1947.4%+$2.2M |
| Purpose Unlimited Inc. | $2.2M | 1,060,000 | 0.09% | 2q | +6.0%+$126.6K |
| Susquehanna Portfolio Strategies, LLC | $2.2M | 1,032,986 | 0.03% | 2q | +4.2%+$88.8K |
| SEI INVESTMENTS CO | $2.1M | 1,000,238 | 0.00% | 30q | -34.0%-$1.1M |
| FIRST SABREPOINT CAPITAL MANAGEMENT LP | $2.1M | 1,000,000 | 0.69% | 2q | HELD |
| JANE STREET GROUP, LLC | $2.0M | 93,337 | 0.00% | 31q | -99.2%-$249.0M |
| PLUSTICK MANAGEMENT LLC | $1.9M | 900,000 | 0.71% | new | NEW |
| J. Goldman & Co LP | $1.8M | options only | 0.05% | 2q | OPTIONS |
| ALLIANCEBERNSTEIN L.P. | $1.8M | 639,860 | 0.00% | 31q | +29.8%+$408.7K |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $1.7M | 808,335 | 0.00% | new | NEW |
| Rafferty Asset Management, LLC | $1.7M | 785,365 | 0.00% | 21q | -41.7%-$1.2M |
| DEUTSCHE BANK AG\ | $1.6M | 764,362 | 0.00% | 31q | +76.9%+$701.0K |
| Creative Planning | $1.6M | 739,780 | 0.00% | 9q | +43.9%+$476.1K |
| RHUMBLINE ADVISERS | $1.5M | 717,198 | 0.00% | 31q | +21.5%+$268.2K |
| Lombard Odier Asset Management (USA) Corp | $1.5M | options only | 0.20% | 5q | OPTIONS |
| Raiffeisen Bank International AG | $1.5M | 700,000 | 0.02% | 7q | HELD |
| MACKENZIE FINANCIAL CORP | $1.4M | 675,000 | 0.00% | new | NEW |
| MERCER GLOBAL ADVISORS INC /ADV | $1.2M | 587,044 | 0.00% | 18q | +188.5%+$809.3K |
| BOOTHBAY FUND MANAGEMENT, LLC | $1.2M | 548,200 | 0.02% | 2q | -27.8%-$446.3K |
| Banco Santander, S.A. | $1.1M | 525,378 | 0.01% | 7q | +321.9%+$845.8K |
| AMERIPRISE FINANCIAL INC | $1.1M | 522,847 | 0.00% | 31q | -62.7%-$1.9M |
| Moors & Cabot, Inc. | $968.4K | 458,950 | 0.04% | 12q | +4.6%+$42.2K |
| Numerai GP LLC | $928.6K | 440,088 | 0.08% | 3q | +42.1%+$275.0K |
| State of New Jersey Common Pension Fund D | $852.1K | 403,830 | 0.00% | new | NEW |
| Caption Management, LLC | $848.6K | 40,000 | 0.00% | new | NEW |
| VANGUARD ASSET MANAGEMENT, Ltd | $828.8K | 392,801 | 0.00% | 2q | HELD |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $820.7K | 388,967 | 0.00% | 9q | +8.4%+$63.9K |
| CITIGROUP INC | $820.0K | 388,632 | 0.00% | 31q | -37.7%-$495.9K |
| JPMORGAN CHASE & CO | $817.5K | 393,010 | 0.00% | 31q | -84.6%-$4.5M |
| Mariner, LLC | $753.7K | 357,246 | 0.00% | 18q | +255.6%+$541.8K |
| Legal & General Group Plc | $742.0K | 351,680 | 0.00% | 31q | +19.4%+$120.5K |
| MetLife Investment Management, LLC | $735.4K | 348,509 | 0.00% | 25q | +46.3%+$232.9K |
| Verdence Capital Advisors LLC | $726.4K | 344,279 | 0.04% | 2q | -2.2%-$16.6K |
| Headlands Technologies LLC | $725.9K | 344,019 | 0.08% | 2q | +12.2%+$79.0K |
| IEQ CAPITAL, LLC | $720.9K | 341,681 | 0.00% | 2q | +644.9%+$624.2K |
| AXQ CAPITAL, LP | $712.7K | 337,762 | 0.08% | 2q | +86.6%+$330.7K |
| PEAK6 LLC | $706.9K | 335,034 | 0.00% | 2q | +243.1%+$500.9K |
| Inspire Investing, LLC | $688.1K | 326,131 | 0.03% | 4q | +77.8%+$301.1K |
| Brevan Howard Capital Management LP | $643.2K | 304,827 | 0.00% | 7q | +166.6%+$401.9K |
| Vanguard Global Advisers, LLC | $611.2K | 289,665 | 0.00% | 2q | +25.6%+$124.5K |
| KLP KAPITALFORVALTNING AS | $547.8K | 259,600 | 0.00% | 7q | +9.4%+$46.8K |
| Dalton Investments, Inc. | $527.5K | 250,000 | 0.48% | 3q | HELD |
| Balyasny Asset Management L.P. | $518.4K | 245,681 | 0.00% | 13q | +239.3%+$365.6K |
| CAXTON ASSOCIATES LLP | $513.2K | 243,214 | 0.01% | 3q | -70.7%-$1.2M |
| CLOVERFIELDS CAPITAL GROUP, LP | $510.2K | 241,789 | 0.15% | 11q | -11.1%-$63.5K |
Five percent filings
Anyone crossing 5% of a company must say so within days - far sooner than the next quarterly holdings report. A 13D declares an intent to influence the company; a 13G is the passive version. See all activist filings →
| Filed | Form | Filer | % of class |
|---|---|---|---|
| 2026-07-29 | 13G/A | BlackRock, Inc. | 8.1% |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 260 | $961.9M | 441,799,368 | 51 | 109 | 65 | 3.1% |
| Q1 2026 | 252 | $1.2B | 432,810,302 | 74 | 83 | 53 | 3.0% |
| Q4 2025 | 201 | $316.2M | 340,790,264 | 25 | 54 | 82 | 1.9% |
| Q3 2025 | 222 | $660.9M | 388,664,394 | 30 | 70 | 68 | 2.0% |
| Q2 2025 | 214 | $707.2M | 402,516,285 | 30 | 77 | 63 | 1.8% |
| Q1 2025 | 236 | $982.4M | 417,855,788 | 38 | 91 | 65 | 3.2% |
| Q4 2024 | 251 | $1.3B | 392,072,495 | 37 | 97 | 62 | 0.7% |
| Q3 2024 | 249 | $1.5B | 381,528,569 | 43 | 91 | 68 | 0.8% |
| Q2 2024 | 250 | $2.1B | 381,637,694 | 54 | 89 | 60 | 1.0% |
| Q1 2024 | 222 | $2.4B | 394,501,090 | 45 | 71 | 60 | 0.9% |
| Q4 2023 | 218 | $2.6B | 380,734,052 | 36 | 78 | 59 | 0.4% |
| Q3 2023 | 203 | $3.0B | 367,721,154 | 31 | 73 | 59 | 0.5% |
| Q2 2023 | 212 | $2.2B | 360,375,572 | 39 | 73 | 59 | 0.3% |
| Q1 2023 | 203 | $3.2B | 433,150,217 | 29 | 65 | 69 | 0.4% |
| Q4 2022 | 195 | $2.2B | 342,759,277 | 33 | 60 | 58 | 0.6% |
| Q3 2022 | 226 | $2.1B | 401,034,584 | 29 | 89 | 64 | 3.3% |
| Q2 2022 | 228 | $2.5B | 394,891,507 | 60 | 60 | 74 | 1.6% |
| Q1 2022 | 199 | $2.9B | 394,415,368 | 55 | 63 | 56 | 0.7% |
| Q4 2021 | 168 | $1.3B | 376,352,035 | 30 | 74 | 35 | 0.5% |
| Q3 2021 | 153 | $947.0M | 319,664,703 | 19 | 52 | 52 | 0.4% |
| Q2 2021 | 167 | $1.1B | 324,720,835 | 44 | 42 | 51 | 0.2% |
| Q1 2021 | 135 | $1.0B | 328,138,309 | 21 | 38 | 53 | 0.2% |
| Q4 2020 | 129 | $766.9M | 327,197,997 | 17 | 40 | 50 | 0.2% |
| Q3 2020 | 125 | $320.6M | 326,447,574 | 10 | 35 | 52 | 0.1% |
| Q2 2020 | 147 | $574.9M | 341,417,932 | 33 | 54 | 43 | 0.1% |
| Q1 2020 | 156 | $306.4M | 338,278,031 | 20 | 66 | 51 | 0.5% |
| Q4 2019 | 200 | $2.2B | 379,928,359 | 44 | 82 | 44 | 0.5% |
| Q3 2019 | 175 | $2.3B | 374,975,674 | 26 | 69 | 49 | 0.1% |
| Q2 2019 | 171 | $2.4B | 387,330,899 | 42 | 72 | 34 | 0.2% |
| Q1 2019 | 167 | $2.4B | 378,763,791 | 56 | 61 | 34 | 0.2% |
| Q4 2018 | 137 | $1.4B | 343,328,785 | 6 | 0 | 0 | 0.1% |