| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 7.9% | -34% | $64,943,624 | -$32,512,494 | 37,757,921 | -33% | BlackRock, Inc. | 31 Mar 2025 |
| Grantham, Mayo, Van Otterloo & Co. LLC | 7.3% | -13% | $57,736,405 | -$8,477,389 | 34,780,967 | -13% | Grantham, Mayo, Van Otterloo & Co. LLC | 30 Sep 2025 |
| AMERICAN CENTURY INVESTMENT MANAGEMENT INC | 7% | $71,499,638 | 33,411,046 | American Century Investment Management, Inc. | 30 Jun 2025 | |||
| BlackRock Portfolio Management LLC | 6.3% | +22% | $52,126,482 | +$9,049,957 | 30,306,094 | +21% | BlackRock Portfolio Management LLC | 30 Jun 2025 |
| cobas asset management, sgiic, s.a. | 5.2% | $42,620,828 | 24,779,551 | cobas asset management, sgiic, s.a. | 10 Apr 2025 | |||
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 4.4% | -18% | $45,390,842 | -$9,237,154 | 21,210,674 | -17% | Hotchkis and Wiley Capital Management, LLC | 30 Jun 2025 |
| FMR LLC | 2.1% | $16,907,343 | 9,829,851 | FMR LLC | 29 Nov 2024 | |||
| VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. | 0.84% | -90% | $6,933,604 | -$36,259,955 | 4,031,165 | -84% | Vaughan Nelson Investment Management, L.P. | 31 Mar 2025 |
As of 30 Sep 2025, 231 institutional investors reported holding 397,535,133 shares of Kosmos Energy Ltd. - Common Stock (KOS). This represents 83% of the company’s total 478,417,703 outstanding shares.
The largest institutional shareholders of Kosmos Energy Ltd. - Common Stock (KOS) together control 70% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 14% | 68,910,135 | +1% | 0% | $114,390,824 |
| Grantham, Mayo, Van Otterloo & Co. LLC | 7.3% | 34,780,967 | -5.5% | 0.16% | $57,736,405 |
| AMERICAN CENTURY COMPANIES INC | 6.3% | 30,375,723 | -9.1% | 0.03% | $50,423,702 |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 4.4% | 20,995,501 | -1% | 0.11% | $34,852,532 |
| STATE STREET CORP | 4.1% | 19,406,607 | +19% | 0% | $32,214,968 |
| Equinox Partners Investment Management LLC | 3.7% | 17,780,480 | -4.8% | 16% | $29,515,597 |
| MILLENNIUM MANAGEMENT LLC | 3.4% | 16,179,448 | +111% | 0.02% | $26,857,884 |
| VANGUARD GROUP INC | 3% | 14,320,597 | +2% | 0% | $23,772,191 |
| BANK OF AMERICA CORP /DE/ | 2.4% | 11,328,905 | +40% | 0% | $18,805,983 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.2% | 10,440,289 | -7.3% | 0% | $17,333,413 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.1% | 10,082,657 | +16% | 0% | $16,737,211 |
| Invesco Ltd. | 2.1% | 9,903,093 | +3% | 0% | $16,439,135 |
| M&G PLC | 1.7% | 7,978,144 | +38% | 0.09% | $15,956,288 |
| DIMENSIONAL FUND ADVISORS LP | 1.6% | 7,611,298 | -24% | 0% | $12,634,930 |
| UBS Group AG | 1.5% | 7,325,352 | -10% | 0% | $12,160,084 |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1.4% | 6,750,611 | +2.5% | 0.03% | $11,206,000 |
| CITADEL ADVISORS LLC | 1.4% | 6,625,521 | -30% | 0.01% | $10,998,365 |
| MORGAN STANLEY | 1.3% | 6,250,604 | -5.6% | 0% | $10,376,002 |
| Russell Investments Group, Ltd. | 1.3% | 6,239,726 | -3.5% | 0.01% | $10,357,943 |
| FIRST TRUST ADVISORS LP | 0.88% | 4,222,679 | +14% | 0.01% | $7,009,647 |
| NORTHERN TRUST CORP | 0.86% | 4,134,411 | +1.1% | 0% | $6,863,122 |
| VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. | 0.84% | 4,008,525 | 0% | 0.06% | $6,654,152 |
| OSTRUM ASSET MANAGEMENT | 0.84% | 4,008,525 | 0% | 0.3% | $6,654,152 |
| UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC | 0.75% | 3,575,742 | -1.2% | 0% | $5,935,733 |
| Patient Capital Management, LLC | 0.69% | 3,314,653 | -83% | 0.22% | $5,502,324 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 171,419 | $156,814 | -$1,227,432 | $0.91 | 4 |
| 2025 Q3 | 397,535,133 | $662,644,534 | -$27,363,129 | $1.66 | 231 |
| 2025 Q2 | 414,211,641 | $714,259,765 | -$53,936,011 | $1.72 | 222 |
| 2025 Q1 | 435,420,001 | $990,831,898 | -$24,178,044 | $2.28 | 247 |
| 2024 Q4 | 434,467,418 | $1,483,228,559 | -$41,595,189 | $3.42 | 266 |
| 2024 Q3 | 445,143,829 | $1,793,908,427 | -$35,616,618 | $4.03 | 264 |
| 2024 Q2 | 446,530,055 | $2,476,397,361 | -$48,197,743 | $5.54 | 267 |
| 2024 Q1 | 455,144,754 | $2,712,853,408 | +$129,674,838 | $5.96 | 242 |
| 2023 Q4 | 432,591,755 | $2,903,078,114 | -$14,250,348 | $6.71 | 243 |
| 2023 Q3 | 431,942,937 | $3,529,846,448 | +$111,284,980 | $8.18 | 221 |
| 2023 Q2 | 420,903,235 | $2,522,367,786 | -$29,709,707 | $5.99 | 235 |
| 2023 Q1 | 424,739,511 | $3,157,589,069 | +$162,486,630 | $7.44 | 230 |
| 2022 Q4 | 403,898,858 | $2,569,050,464 | +$18,268,299 | $6.36 | 233 |
| 2022 Q3 | 398,851,012 | $2,063,155,651 | +$16,879,335 | $5.17 | 214 |
| 2022 Q2 | 394,546,108 | $2,441,878,683 | -$2,958,258 | $6.19 | 220 |
| 2022 Q1 | 394,415,075 | $2,834,637,427 | +$148,440,024 | $7.19 | 195 |
| 2021 Q4 | 375,249,027 | $1,298,202,086 | +$192,827,880 | $3.46 | 163 |
| 2021 Q3 | 319,646,092 | $943,564,890 | -$17,871,692 | $2.96 | 151 |
| 2021 Q2 | 324,685,181 | $1,117,940,409 | -$10,284,939 | $3.46 | 162 |
| 2021 Q1 | 328,137,069 | $1,006,040,087 | +$13,891,889 | $3.07 | 133 |
| 2020 Q4 | 323,688,887 | $756,831,249 | -$2,539,903 | $2.35 | 125 |
| 2020 Q3 | 326,413,372 | $320,421,360 | -$20,793,540 | $0.98 | 121 |
| 2020 Q2 | 341,416,082 | $574,126,979 | +$15,634,738 | $1.66 | 143 |
| 2020 Q1 | 338,225,456 | $304,731,750 | -$203,393,161 | $0.90 | 148 |
| 2019 Q4 | 367,566,762 | $2,096,939,940 | -$138,288,418 | $5.70 | 199 |
| 2019 Q3 | 374,874,627 | $2,336,578,355 | -$71,065,823 | $6.24 | 172 |
| 2019 Q2 | 387,127,586 | $2,424,196,549 | +$53,126,717 | $6.27 | 167 |
| 2019 Q1 | 378,402,705 | $2,356,924,305 | +$269,065,757 | $6.23 | 163 |
| 2018 Q4 | 340,677,853 | $1,386,451,754 | +$1,373,607,709 | $4.07 | 130 |
| 2018 Q3 | 2,855,405 | $26,698,000 | +$26,698,037 | $9.35 | 1 |