KOSMOS ENERGY LTD.

PublicCIK: 1509991
KOSNYSE
Location

DALLAS, TX

13F Filings

Institutional Holders

KOSMOS ENERGY LTD.KOS— Latest position per institution from SEC 13F filings

15

Institutional holders

379.33M

Total shares held

1B

Estimated value

18.97M

Avg. position size

1

BLACKROCK, INC.

CIK 2012383

Shares

56.02M

Value

118.21M

Filed

Jun 30, 2026

2

BLACKROCK FINANCE, INC.

CIK 1364742

Shares

47.42M

Value

262.71M

Filed

Jun 30, 2024

3

STATE STREET CORP

CIK 93751

Shares

29.45M

Value

62.15M

Filed

Jun 30, 2026

4

TWO SIGMA INVESTMENTS, LP

CIK 1179392

Shares

25.40M

Value

53.59M

Filed

Jun 30, 2026

5

D. E. SHAW & CO., INC.

CIK 1009207

Shares

24.54M

Value

51.78M

Filed

Jun 30, 2026

6

EQUINOX PARTNERS INVESTMENT MANAGEMENT LLC

CIK 938552

Shares

20.68M

Value

43.63M

Filed

Jun 30, 2026

7

HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC

CIK 1164833

Shares

18.84M

Value

39.76M

Filed

Jun 30, 2026

8

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

CIK 1644956

Shares

17.17M

Value

39.15M

Filed

Mar 31, 2025

9

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

17.07M

Value

36.02M

Filed

Jun 30, 2026

10

VANGUARD GROUP INC

CIK 102909

Shares

14.84M

Value

13.46M

Filed

Dec 31, 2025

11

SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P.

CIK 1812095

Shares

13.77M

Value

29.05M

Filed

Jun 30, 2026

12

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

CIK 884546

Shares

13.77M

Value

29.05M

Filed

Jun 30, 2026

13

VANGUARD PORTFOLIO MANAGEMENT LLC

CIK 2100121

Shares

12M

Value

25.32M

Filed

Jun 30, 2026

14

GRANTHAM, MAYO, VAN OTTERLOO & CO. LLC

CIK 1352662

Shares

11.85M

Value

25M

Filed

Jun 30, 2026

15

INVESCO LTD.

CIK 914208

Shares

10.95M

Value

23.10M

Filed

Jun 30, 2026

16

ENCOMPASS CAPITAL ADVISORS LLC

CIK 1541901

Shares

10.45M

Value

35.72M

Filed

Dec 31, 2024

17

DIMENSIONAL FUND ADVISORS LP

CIK 354204

Shares

9.58M

Value

20.22M

Filed

Jun 30, 2026

18

MAPLE ROCK CAPITAL PARTNERS INC.

CIK 1658363

Shares

8.97M

Value

60.19M

Filed

Dec 31, 2023

19

GOLDMAN SACHS GROUP INC

CIK 886982

Shares

8.53M

Value

18M

Filed

Jun 30, 2026

20

AMERICAN CENTURY COMPANIES INC

CIK 748054

Shares

8.04M

Value

16.96M

Filed

Jun 30, 2026

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.