Optiver Holding
KOS icon

Optiver Holding’s Kosmos Energy KOS Stock Holding History

Optiver Holding’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 		– Sell
-777
Closed -$705 – 2546
2025
Q4 		$705 Buy
777
+720
+1,263% +$949 ﹤0.01% 2256
2025
Q3 		$95 Buy
+57
New +$107 ﹤0.01% 2598
2025
Q2 		– Sell
-3,339
Closed -$7.61K – 1552
2025
Q1 		$7.61K Buy
+3,339
New +$9.85K ﹤0.01% 977
2024
Q4 		– Sell
-1,126
Closed -$4.54K – 1120
2024
Q3 		$4.54K Sell
1,126
-192
-15% -$935 ﹤0.01% 808
2024
Q2 		$7.3K Buy
+1,318
New +$7.69K ﹤0.01% 755

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

Optiver Holding's KOS Position: Q1 2026 in Review

Optiver Holding sold out of Kosmos Energy (KOS) in Q1 2026, closing a stake of 777 shares — an estimated $705 sold.

Optiver Holding first reported a position in KOS in Q2 2024 and held it in 5 quarters. The position peaked at $7.61K in Q1 2025. 262 funds tracked by Wall St. Rank hold KOS as of Q1 2026.

  • Optiver Holding reported no remaining Kosmos Energy position as of Q1 2026 after selling out during the quarter.
  • Optiver Holding sold 777 Kosmos Energy shares in Q1 2026, an estimated $705.
  • Optiver Holding first reported a position in Kosmos Energy in Q2 2024 and held it in 5 quarters.
  • Optiver Holding's Kosmos Energy position peaked at $7.61K in Q1 2025.
  • 262 funds tracked by Wall St. Rank held Kosmos Energy as of Q1 2026.

Based on Optiver Holding's 13F filing for Q1 2026, filed 15 May 2026.