PCM
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Portolan Capital Management’s Kosmos Energy KOS Stock Holding History

Portolan Capital Management’s Portfolio KOS Stock Details KOS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.68M Buy
+602,542
New +$1.13M 0.09% 128
2025
Q2 		– Sell
-2,011,814
Closed -$4.59M – 130
2025
Q1 		$4.59M Buy
2,011,814
+394,308
+24% +$1.16M 0.35% 78
2024
Q4 		$5.53M Buy
+1,617,506
New +$6.15M 0.37% 84
2024
Q1 		– Sell
-474,354
Closed -$3.18M – 135
2023
Q4 		$3.18M Sell
474,354
-1,577,971
-77% -$11M 0.28% 94
2023
Q3 		$16.8M Buy
+2,052,325
New +$14.5M 1.57% 17
2023
Q2 		– Sell
-399,008
Closed -$2.97M – 149
2023
Q1 		$2.97M Buy
+399,008
New +$2.92M 0.28% 103
2022
Q4 		– Sell
-779,637
Closed -$4.03M – 146
2022
Q3 		$4.03M Buy
+779,637
New +$4.72M 0.43% 85

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EPIM
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Hotchkis & Wiley Capital Management
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Two Sigma Investments
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Grantham, Mayo, Van Otterloo & Co (GMO)
Grantham, Mayo, Van Otterloo & Co (GMO) Boston, Massachusetts $39.1B AUM 28.69% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Millennium Management
Millennium Management New York $134B AUM 35.51% 1-Year Est. Return