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Marex Group’s Kosmos Energy KOS Stock Holding History

Marex Group’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 		$61.9K Sell
22,261
-240
-1% -$451 ﹤0.01% 963
2025
Q4 		$20.4K Sell
22,501
-84,699
-79% -$112K ﹤0.01% 946
2025
Q3 		$178K Buy
+107,200
New +$201K ﹤0.01% 736

Other funds holding KOS

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
EPIM
Equinox Partners Investment Management Stamford, Connecticut $245M AUM 225.58% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
Hotchkis & Wiley Capital Management
Hotchkis & Wiley Capital Management Los Angeles, California $32.4B AUM 17.21% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
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 $240B AUM 35.51% 1-Year Est. Return

Marex Group's KOS Position: Q1 2026 in Review

Marex Group reduced its Kosmos Energy (KOS) stake by 1.1% in Q1 2026, selling an estimated $451 and leaving 22,261 shares worth $61.9K. The position accounts for ﹤0.01% of the portfolio, ranked #963.

Marex Group first reported a position in KOS in Q3 2025 and has held it in 3 quarters since. The position peaked at $178K in Q3 2025. 262 funds tracked by Wall St. Rank hold KOS as of Q1 2026.

  • Marex Group held 22,261 shares of Kosmos Energy worth $61.9K as of Q1 2026.
  • Marex Group sold 240 Kosmos Energy shares in Q1 2026, an estimated $451.
  • Kosmos Energy made up ﹤0.01% of Marex Group's portfolio in Q1 2026, its #963 holding.
  • Marex Group first reported a position in Kosmos Energy in Q3 2025 and has held it in 3 quarters since.
  • Marex Group's Kosmos Energy position peaked at $178K in Q3 2025.
  • 262 funds tracked by Wall St. Rank held Kosmos Energy as of Q1 2026.

Based on Marex Group's 13F filing for Q1 2026, filed 13 May 2026.