KOSMOS ENERGY LTD (KOS) is held by 142 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is BlackRock, Inc. as of Q1 2026.

Are institutions buying or selling KOS?

In Q1 2026, 90 institutions opened or increased positions in KOSMOS ENERGY LTD while 57 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on KOS?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for KOSMOS ENERGY LTD.

How many hedge funds hold KOS?

142 institutional investors report holding KOSMOS ENERGY LTD (KOS) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into KOS?

As of Q1 2026, tracked institutions in KOSMOS ENERGY LTD show 90 buyers versus 57 sellers — net inflows.

KOSMOS ENERGY LTD

KOS·500688106·US·Common Stock·Energy - Oil & Gas E&P-13D/G

142

Holders

Avg rating(32 Elite)

$1B

Total Value

61% (157)

Fund Consensus

90 buying - 57 selling

Smart Money Verdict

View all

Held by 142 funds

32 elite

Who's Trading

InsiderMRMarion Josh R.Sell $51KJul 2, 2026

Activist

Grantham, Mayo, Van Otterloo & Co. LLC3.2%May 1, 2026

Activist

BlackRock, Inc.6.7%Apr 24, 2026

InsiderOOOgunlesi Adebayo O.Buy $6.0MMar 10, 2026

InsiderIGINGLIS ANDREW GBuy $600KMar 10, 2026

InsiderSDShah Nealesh D.Buy $300KMar 10, 2026

InsiderSMSTICE J MICHAELBuy $100KMar 10, 2026

ActivistACAmerican Century Investment Management, Inc.2.4%Feb 13, 2026

ActivistBPBlackRock Portfolio Management LLC1.7%Jan 21, 2026

Activist

Hotchkis and Wiley Capital Management, LLC4.4%Aug 13, 2025

View all insider trades View all activist filings

13F: Mar 31, 2026Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	47.5M(+1.3%)	$131.9M	0.0%	-32.56%	31
STATE STREET CORP	Increased	28.2M(+38.3%)	$78.5M	0.0%	-54.61%	39
DED. E. Shaw & Co., Inc.	Increased	20.4M(+241.7%)	$56.7M	0.0%	-3.21%	47
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC	Decreased	20.1M(-0.3%)	$55.7M	0.2%	-43.39%	0
TWO SIGMA INVESTMENTS, LP	Increased	18.7M(+384.5%)	$51.9M	0.0%	-9.09%	47
Grantham, Mayo, Van Otterloo & Co. LLC	Decreased	18.3M(-47.4%)	$50.9M	0.1%	-36.40%	0
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Increased	14.1M(+17.4%)	$39.3M	0.0%	-22.19%	34
GEODE CAPITAL MANAGEMENT, LLC	Increased	12.7M(+12.8%)	$35.4M	0.0%	-42.23%	33
MILLENNIUM MANAGEMENT LLC	Decreased	12.6M(-14.8%)	$35.1M	0.0%	-6.15%	0
JANE STREET GROUP, LLC	Increased	11.7M(+26.7%)	$32.6M	0.0%	+42.78%	36
Invesco Ltd.	Increased	11.2M(+496.0%)	$31M	0.0%	-29.13%	47
GOLDMAN SACHS GROUP INC	Increased	9.3M(+36.9%)	$25.7M	0.0%	+9.43%	37
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	8.6M	$24M	0.0%	-18.29%	40
FIRST TRUST ADVISORS LP	Increased	7.7M(+9.2%)	$21.4M	0.0%	-15.54%	31
M&G Plc	Decreased	7M(-19.5%)	$21.1M	0.1%	-45.83%	0
DIMENSIONAL FUND ADVISORS LP	Increased	7.1M(+20.5%)	$19.7M	0.0%	-63.76%	34
VAVANGUARD CAPITAL MANAGEMENT LLC	New	6.4M	$17.9M	0.0%	-18.29%	39
Russell Investments Group, Ltd.	Decreased	5.9M(-0.5%)	$16.3M	0.0%	-50.26%	0
MORGAN STANLEY	Increased	5.8M(+23.9%)	$16.2M	0.0%	-46.23%	34
BANK OF AMERICA CORP /DE/	Increased	5.5M(+43.9%)	$15.4M	0.0%	-13.08%	38