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Kosmos Energy Ltd.

KOS
Exchange
NYSE
Industry
Crude Petroleum & Natural Gas
SEC CIK
0001509991

In the last 90 days, Kosmos Energy Ltd. insiders filed 0 open-market purchases and 4 sales; 268 institutions reported holding it in 13F filings for Q2 2026, worth $909.1M in total; no superinvestor holds it.

13F holders, Q4 2025

Institutional positions in Kosmos Energy Ltd. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
210
−20 vs. Q3 2025
Shares held
341.6M
−55.5M (−14.0%) vs. Q3 2025
Total value
$310.8M
−$351.1M (−53.0%) vs. Q3 2025
New holders
31
57 more added
Sold out
51
89 more reduced

6 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting KOS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 210 institutions
Q1 2021: 138 institutionsQ2 2021: 172 institutionsQ3 2021: 161 institutionsQ4 2021: 172 institutionsQ1 2022: 200 institutionsQ2 2022: 232 institutionsQ3 2022: 232 institutionsQ4 2022: 239 institutionsQ1 2023: 234 institutionsQ2 2023: 239 institutionsQ3 2023: 226 institutionsQ4 2023: 246 institutionsQ1 2024: 244 institutionsQ2 2024: 268 institutionsQ3 2024: 270 institutionsQ4 2024: 271 institutionsQ1 2025: 253 institutionsQ2 2025: 227 institutionsQ3 2025: 236 institutionsQ4 2025: 210 institutionsQ1 2026: 263 institutionsQ2 2026: 268 institutions
Value heldQ4 2025: $310.8M
Q1 2021: $1.01BQ2 2021: $1.12BQ3 2021: $943.6MQ4 2021: $1.30BQ1 2022: $2.83BQ2 2022: $2.44BQ3 2022: $2.06BQ4 2022: $2.56BQ1 2023: $3.16BQ2 2023: $2.53BQ3 2023: $3.53BQ4 2023: $2.90BQ1 2024: $2.72BQ2 2024: $2.48BQ3 2024: $1.79BQ4 2024: $1.48BQ1 2025: $991.0MQ2 2025: $714.3MQ3 2025: $662.7MQ4 2025: $310.8MQ1 2026: $1.21BQ2 2026: $909.1M
Institutions holding KOS and their total value by quarter
QuarterHoldersValue
Q2 2026268$909.1M
Q1 2026263$1.21B
Q4 2025210$310.8M
Q3 2025236$662.7M
Q2 2025227$714.3M
Q1 2025253$991.0M
Q4 2024271$1.48B
Q3 2024270$1.79B
Q2 2024268$2.48B
Q1 2024244$2.72B
Q4 2023246$2.90B
Q3 2023226$3.53B
Q2 2023239$2.53B
Q1 2023234$3.16B
Q4 2022239$2.56B
Q3 2022232$2.06B
Q2 2022232$2.44B
Q1 2022200$2.83B
Q4 2021172$1.30B
Q3 2021161$943.6M
Q2 2021172$1.12B
Q1 2021138$1.01B

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Kosmos Energy Ltd.; share changes are against Q3 2025.

Institutions holding KOS in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Geode Capital Management, LLC11,272,318$10.2M0.00%+832,029+8.0%Added
American Century Companies Inc11,300,711$10.3M0.01%−19,075,012−62.8%Reduced
Charles Schwab Investment Management Inc12,045,593$10.9M0.00%+1,962,936+19.5%Added
Millennium Management LLC14,827,966$13.5M0.01%−1,351,482−8.4%Reduced
Vanguard Group Inc14,836,244$13.5M0.00%+515,647+3.6%Added
Equinox Partners Investment Management LLC19,469,980$17.7M9.23%+1,689,500+9.5%Added
Hotchkis & Wiley Capital Management LLC20,110,881$18.2M0.05%−884,620−4.2%Reduced
State Street Corp20,430,076$18.5M0.00%+1,023,469+5.3%Added
Grantham, Mayo, Van Otterloo & Co. LLC34,804,317$31.6M0.08%+23,350+0.1%Added
BlackRock, Inc.46,852,560$42.5M0.00%−22,057,575−32.0%Reduced
Steward Partners Investment Advisory, LLC0$00.00%0Sold out
Patient Capital Management, LLC0$00.00%−3,314,653−100.0%Sold out
First Eagle Investment Management, LLC0$00.00%−2,747,831−100.0%Sold out
Van Eck Associates Corp0$00.00%−964,671−100.0%Sold out
Fort Washington Investment Advisors Inc0$00.00%−675,217−100.0%Sold out
Caption Management, LLC0$00.00%−661,628−100.0%Sold out
Graham Capital Wealth Management, LLC0$00.00%−654,681−100.0%Sold out
Envestnet Asset Management Inc0$00.00%−569,832−100.0%Sold out
J. Safra Sarasin Holding AG0$00.00%−387,556−100.0%Sold out
Huber Capital Management LLC0$00.00%−264,933−100.0%Sold out
Thrivent Financial for Lutherans0$00.00%−202,262−100.0%Sold out
Quadrature Capital Ltd0$00.00%−139,390−100.0%Sold out
Brinker Capital Investments, LLC0$00.00%−78,304−100.0%Sold out
Sanders Morris Harris LLC0$00.00%−64,000−100.0%Sold out
Cetera Investment Advisers0$00.00%−59,117−100.0%Sold out
Wellington Management Group LLP0$00.00%−47,443−100.0%Sold out
Sapient Capital LLC0$00.00%−40,761−100.0%Sold out
Park Avenue Securities LLC0$00.00%−36,816−100.0%Sold out
Mission Wealth Management, LP0$00.00%−31,310−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−30,074−100.0%Sold out
Sanctuary Advisors, LLC0$00.00%−29,058−100.0%Sold out
Belpointe Asset Management LLC0$00.00%−26,000−100.0%Sold out
Capstone Investment Advisors, LLC0$00.00%−25,548−100.0%Sold out
CI Private Wealth, LLC0$00.00%−18,766−100.0%Sold out
Verum Partners LLC0$00.00%−15,153−100.0%Sold out
Kiker Wealth Management, LLC0$00.00%−15,000−100.0%Sold out
Checchi Capital Advisers, LLC0$00.00%−14,812−100.0%Sold out
Evergreen Capital Management LLC0$00.00%−13,152−100.0%Sold out
Quantinno Capital Management LP0$00.00%−12,524−100.0%Sold out
Voleon Capital Management LP0$00.00%−12,409−100.0%Sold out
Snowden Capital Advisors LLC0$00.00%−12,396−100.0%Sold out
Guardian Capital LP0$00.00%−12,164−100.0%Sold out
LPL Financial LLC0$00.00%−11,870−100.0%Sold out
Transcend Wealth Collective, LLC0$00.00%−10,790−100.0%Sold out
Inceptionr LLC0$00.00%−10,417−100.0%Sold out
Foster Group, Inc.0$00.00%−10,253−100.0%Sold out
Sequoia Financial Advisors, LLC0$00.00%−10,129−100.0%Sold out
Nomura Asset Management Co Ltd0$00.00%−10,000−100.0%Sold out
Disciplined Investors, L.L.C.0$00.00%−10,000−100.0%Sold out
Principal Securities, Inc.0$00.00%−7,060−100.0%Sold out
Walleye Capital LLC0$00.00%−5,119−100.0%Sold out
Advisory Services Network, LLC0$00.00%−4,803−100.0%Sold out
Nisa Investment Advisors, LLC0$00.00%−3,352−100.0%Sold out
Park Place Capital Corp0$00.00%−3,228−100.0%Sold out
EverSource Wealth Advisors, LLC0$00.00%−2,682−100.0%Sold out
Delta Asset Management LLC0$00.00%−885−100.0%Sold out
CIBC Private Wealth Group, LLC0$00.00%−696−100.0%Sold out
Bessemer Group Inc0$00.00%−585−100.0%Sold out
Versant Capital Management, Inc0$00.00%−377−100.0%Sold out
Imprint Wealth LLC0$00.00%−172−100.0%Sold out
Wealthspire Advisors, LLC0$00.00%−1−100.0%Sold out
Wolverine Trading, LLC––––Not filed
CIBC Bancorp USA Inc.––––Not filed
Moloney Securities Asset Management, LLC––––Not filed
FSA Wealth Management LLC––––Not filed
Creekmur Asset Management LLC––––Not filed
Guerra Advisors Inc––––Not filed