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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.

Q3 2025 vs. Q2 2025

How the institutions holding Kosmos Energy Ltd. changed between Q2 2025 and Q3 2025.

All holders in Q3 2025All holders in Q2 2025

13F holders of KOS: Q2 2025 compared with Q3 2025
MeasureQ2 2025Of which not filed for Q3 2025Q3 2025Change
Holders2271236+10
Shares414.2M58.5K397.6M−16.6M (−4.0%)
Value$714.3M$100.6K$662.7M−$51.5M (−7.2%)

1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (31)

Institutions that held Kosmos Energy Ltd. at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to KOS in Q3 2025
InstitutionSharesValue% of portfolio
Nomura Holdings Inc1,874,673$3.11M0.01%
Renaissance Technologies LLC300,253$498.4K0.00%
CWM Advisors, LLC274,307$455.4K0.04%
Atria Investments LLC181,652$301.5K0.00%
Gallagher Fiduciary Advisors, LLC174,312$289.4K0.01%
Two Sigma Securities, LLC113,290$188.1K0.03%
Marex Group plc107,200$178.0K0.00%
Coldstream Capital Management Inc65,889$109.4K0.00%
CIBC Bancorp USA Inc.50,581$84.0K0.00%
Wellington Management Group LLP47,443$78.8K0.00%
CoreCommodity Management, LLC45,821$76.1K0.01%
Equitable Holdings, Inc.34,941$58.0K0.00%
DGS Capital Management, LLC32,016$53.1K0.01%
CAPROCK Group, Inc.29,529$52.9K0.00%
Y-Intercept (Hong Kong) Ltd30,074$49.9K0.00%
Capstone Investment Advisors, LLC25,548$42.4K0.00%
CI Private Wealth, LLC18,766$31.2K0.00%
Walleye Trading LLC17,017$28.2K0.00%
Captrust Financial Advisors14,747$24.5K0.00%
Quantinno Capital Management LP12,524$20.8K0.00%
Snowden Capital Advisors LLC12,396$20.6K0.00%
Guardian Capital LP12,164$20.2K0.00%
Transcend Wealth Collective, LLC10,790$17.9K0.00%
Advisory Services Network, LLC4,803$7.97K0.00%
Rockefeller Capital Management L.P.2,653$4.41K0.00%
Bare Financial Services, Inc281$4660.00%
Imprint Wealth LLC172$2860.00%
Archer Investment Corp100$1660.00%
Optiver Holding B.V.57$950.00%
Guerra Advisors Inc1$20.00%
Wealthspire Advisors, LLC1$10.00%

Sold out (21)

Institutions that held Kosmos Energy Ltd. at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of KOS in Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
RWC Asset Advisors (US) LLC2,255,539$3.88M
Royce & Associates LP1,980,830$3.41M
Caxton Associates LLP948,065$1.63M
RWC Asset Management LLP857,485$1.47M
Point72 Asset Management, L.P.478,080$822.3K
PEAK6 LLC163,672$281.5K
Axq Capital, LP114,000$196.1K
Capricorn Fund Managers Ltd107,000$184.0K
Security National Bank88,682$152.5K
Sheets Smith Wealth Management70,185$120.7K
Clear Street Markets LLC69,927$120.3K
HSBC Holdings PLC46,116$82.3K
Ground Swell Capital, LLC36,280$62.4K
Farringdon Capital, Ltd.33,844$58.2K
Blueshift Asset Management, LLC15,781$27.1K
Vident Advisory, LLC11,445$19.7K
Baader Bank INC17,721$18.8K
R Squared Ltd10,363$17.8K
Oppenheimer & Close, LLC10,200$17.5K
Quarry LP1,139$1.96K
National Bank of Canada152$261

Not filed for Q3 2025 yet (1)

Institutions that held Kosmos Energy Ltd. at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding KOS in Q2 2025 that haven't filed for Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
CIBC World Markets Corp58,465$100.6K