DALLAS, TX
KOSMOS ENERGY LTD.KOS— Latest position per institution from SEC 13F filings
15
Institutional holders
361.88M
Total shares held
1.14B
Estimated value
18.09M
Avg. position size
BLACKROCK, INC.
CIK 2012383
Shares
47.46M
Value
131.95M
Filed
Mar 31, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
47.42M
Value
262.71M
Filed
Jun 30, 2024
STATE STREET CORP
CIK 93751
Shares
28.25M
Value
78.53M
Filed
Mar 31, 2026
EQUINOX PARTNERS INVESTMENT MANAGEMENT LLC
CIK 938552
Shares
20.68M
Value
57.48M
Filed
Mar 31, 2026
D. E. SHAW & CO., INC.
CIK 1009207
Shares
20.39M
Value
56.67M
Filed
Mar 31, 2026
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC
CIK 1164833
Shares
20.05M
Value
55.74M
Filed
Mar 31, 2026
TWO SIGMA INVESTMENTS, LP
CIK 1179392
Shares
18.68M
Value
51.93M
Filed
Mar 31, 2026
GRANTHAM, MAYO, VAN OTTERLOO & CO. LLC
CIK 1352662
Shares
18.31M
Value
50.90M
Filed
Mar 31, 2026
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
CIK 1644956
Shares
17.17M
Value
39.15M
Filed
Mar 31, 2025
VANGUARD GROUP INC
CIK 102909
Shares
14.84M
Value
13.46M
Filed
Dec 31, 2025
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 884546
Shares
14.14M
Value
39.30M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
12.71M
Value
35.35M
Filed
Mar 31, 2026
MILLENNIUM MANAGEMENT LLC
CIK 1273087
Shares
12.63M
Value
35.12M
Filed
Mar 31, 2026
JANE STREET GROUP, LLC
CIK 1595888
Shares
12.30M
Value
34.18M
Filed
Mar 31, 2026
INVESCO LTD.
CIK 914208
Shares
11.15M
Value
31M
Filed
Mar 31, 2026
ENCOMPASS CAPITAL ADVISORS LLC
CIK 1541901
Shares
10.45M
Value
35.72M
Filed
Dec 31, 2024
GOLDMAN SACHS GROUP INC
CIK 886982
Shares
9.26M
Value
25.75M
Filed
Mar 31, 2026
MAPLE ROCK CAPITAL PARTNERS INC.
CIK 1658363
Shares
8.97M
Value
60.19M
Filed
Dec 31, 2023
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
8.62M
Value
23.96M
Filed
Mar 31, 2026
DAVIDSON KEMPNER CAPITAL MANAGEMENT LP
CIK 1595082
Shares
8.42M
Value
23.41M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK, INC. | 2012383 | 47.46M | 131.95M | Mar 31, 2026 |
| 2 | BLACKROCK FINANCE, INC. | 1364742 | 47.42M | 262.71M | Jun 30, 2024 |
| 3 | STATE STREET CORP | 93751 | 28.25M | 78.53M | Mar 31, 2026 |
| 4 | EQUINOX PARTNERS INVESTMENT MANAGEMENT LLC | 938552 | 20.68M | 57.48M | Mar 31, 2026 |
| 5 | D. E. SHAW & CO., INC. | 1009207 | 20.39M | 56.67M | Mar 31, 2026 |
| 6 | HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 1164833 | 20.05M | 55.74M | Mar 31, 2026 |
| 7 | TWO SIGMA INVESTMENTS, LP | 1179392 | 18.68M | 51.93M | Mar 31, 2026 |
| 8 | GRANTHAM, MAYO, VAN OTTERLOO & CO. LLC | 1352662 | 18.31M | 50.90M | Mar 31, 2026 |
| 9 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 1644956 | 17.17M | 39.15M | Mar 31, 2025 |
| 10 | VANGUARD GROUP INC | 102909 | 14.84M | 13.46M | Dec 31, 2025 |
| 11 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 884546 | 14.14M | 39.30M | Mar 31, 2026 |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 12.71M | 35.35M | Mar 31, 2026 |
| 13 | MILLENNIUM MANAGEMENT LLC | 1273087 | 12.63M | 35.12M | Mar 31, 2026 |
| 14 | JANE STREET GROUP, LLC | 1595888 | 12.30M | 34.18M | Mar 31, 2026 |
| 15 | INVESCO LTD. | 914208 | 11.15M | 31M | Mar 31, 2026 |
| 16 | ENCOMPASS CAPITAL ADVISORS LLC | 1541901 | 10.45M | 35.72M | Dec 31, 2024 |
| 17 | GOLDMAN SACHS GROUP INC | 886982 | 9.26M | 25.75M | Mar 31, 2026 |
| 18 | MAPLE ROCK CAPITAL PARTNERS INC. | 1658363 | 8.97M | 60.19M | Dec 31, 2023 |
| 19 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 8.62M | 23.96M | Mar 31, 2026 |
| 20 | DAVIDSON KEMPNER CAPITAL MANAGEMENT LP | 1595082 | 8.42M | 23.41M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.