Kosmos Energy Ownership | Who Owns Kosmos Energy?


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Kosmos Energy Ownership Summary


Kosmos Energy is owned by 12.29% institutional investors, 2.11% insiders, and 85.60% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 14.41% of KOS shares. GMO Resources III is the top mutual fund, with 5.81% of its assets in Kosmos Energy shares.

KOS Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockKosmos Energy12.29%2.11%85.60%
SectorEnergy Stocks 14085.81%13.99%-13999.79%
IndustryOil & Gas Exploration & Production Stocks53321.19%15.34%-53236.53%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Blackrock funding, inc. /de68.91M14.41%$114.39M
Blackrock47.42M10.13%$262.71M
Grantham, mayo, van otterloo34.78M7.28%$57.74B
American century companies30.38M6.35%$50.42M
Hotchkis & wiley capital management21.00M4.39%$34.85M
State street19.41M4.06%$32.21M
Equinox partners investment management17.78M3.72%$29.52M
Vanguard group14.32M3.00%$23.77M
Geode capital management10.44M2.18%$17.33M
Charles schwab investment management10.08M2.11%$16.74M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Equinox partners investment management17.78M15.93%$29.52M
Oslo asset management as2.00M12.81%$11.08M
Ballast asset management, lp1.55M1.17%$2.57M
Graham capital wealth management654.68K1.11%$1.09M
Natixis investment managers4.01M1.06%$13.71M
Ostrum asset management4.01M0.30%$6.65M
Spx gestao de recursos ltda347.22K0.29%$1.92M
Patient capital management3.31M0.22%$5.50M
Grantham, mayo, van otterloo34.78M0.16%$57.74B
Cloverfields capital group, lp271.88K0.14%$451.32K

Top Buyers

HolderShares% AssetsChange
State street19.41M0.00%3.16M
M&g7.98M0.08%2.21M
Bank of america corp /de/5.74M0.00%1.43M
Charles schwab investment management10.08M0.00%1.40M
Millennium management2.67M0.00%1.17M

Top Sellers

HolderShares% AssetsChange
William blair investment management---17.17M
Patient capital management3.31M0.22%-16.03M
Encompass capital advisors---10.45M
Natixis advisors---5.69M
Blackrock47.42M0.01%-4.62M

New Positions

HolderShares% AssetsChangeValue
Spx gestao de recursos ltda347.22K0.29%347.22K$1.92M
Renaissance300.25K0.00%300.25K$498.42K
Inspire investing274.31K0.04%274.31K$455.35K
Raymond james & associates263.65K0.00%263.65K$1.46M
Atria investments181.65K0.00%181.65K$301.54K

Sold Out

HolderChange
Federated hermes-2.00
Jfs wealth advisors-6.00
Dinuzzo private wealth-6.00
Tfo-tdc-7.00
West branch capital-9.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Sep 30, 202581-66.11%58,747,572-85.88%120.16%33-70.27%25-67.11%
Jun 30, 2025232-12.78%415,474,050-4.33%861.04%107-26.21%7711.59%
Mar 31, 2025263-5.40%434,150,4410.21%911.08%144-5.88%691.47%
Dec 31, 2024253-9.96%412,189,474-7.20%870.99%136-7.48%64-16.88%
Sep 30, 2024278-444,036,241-0.38%941.05%147-8.13%7615.15%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
GMO Resources III27.79M5.81%-2.03M
GMO Resources Composite27.79M5.81%-3.52M
Patient Opportunity C15.00M3.14%1.00M
Avantis US Small Cap Value ETF14.15M2.96%-
American Century Small Cap Growth Inv13.89M2.91%3.06M
American Century U.S. Small Cap Growth13.89M2.91%3.06M
iShares Russell 2000 ETF11.50M2.41%-
Invesco Small Cap Value A8.31M1.74%-
BlackRock High Equity Income Instl7.05M1.48%-
Bridge Builder Small/Mid Cap Value6.52M1.38%205.54K

Recent Insider Transactions


DateNameRoleActivityValue
Jun 05, 2025Grant John Douglas Kelso-Sell$50.54K
Feb 04, 2025Glass Ronald W. VP & Chief Accounting OfficerSell$32.28K
Feb 05, 2025Glass Ronald W. VP & Chief Accounting OfficerSell$32.30K
Feb 04, 2025Marion Josh R. SVP and General CounselSell$32.28K
Feb 05, 2025Marion Josh R. SVP and General CounselSell$32.30K

Insider Transactions Trends


DateBuySell
2025 Q2-1
2025 Q1-14
2024 Q3--
2024 Q2--
2024 Q1-20

KOS Ownership FAQ


Who Owns Kosmos Energy?

Kosmos Energy shareholders are primarily institutional investors at 12.29%, followed by 2.11% insiders and 85.60% retail investors. The average institutional ownership in Kosmos Energy's industry, Oil & Gas Exploration & Production Stocks, is 53321.19%, which Kosmos Energy falls below.

Who owns the most shares of Kosmos Energy?

Kosmos Energy’s largest shareholders are Blackrock funding, inc. /de (68.91M shares, 14.41%), Blackrock (47.42M shares, 10.13%), and Grantham, mayo, van otterloo (34.78M shares, 7.28%). Together, they hold 31.82% of Kosmos Energy’s total shares outstanding.

Does Blackrock own Kosmos Energy?

Yes, BlackRock owns 10.13% of Kosmos Energy, totaling 47.42M shares as of Jun 2024. This represents 0.01% of BlackRock's total assets, with a market value of 262.71M$. In the last quarter, BlackRock decreased its holdings by -4.616M shares, a -8.87% change.

Who is Kosmos Energy’s biggest shareholder by percentage of total assets invested?

Equinox partners investment management is Kosmos Energy’s biggest shareholder by percentage of total assets invested, with 15.93% of its assets in 17.78M Kosmos Energy shares, valued at 29.52M$.

Who is the top mutual fund holder of Kosmos Energy shares?

GMO Resources III is the top mutual fund holder of Kosmos Energy shares, with 5.81% of its total shares outstanding invested in 27.79M Kosmos Energy shares.

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