Optiver Holding
CRBU icon

Optiver Holding’s Caribou Biosciences CRBU Stock Holding History

Optiver Holding’s Portfolio CRBU Stock Details CRBU Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-1,104
Closed -$1.75K – 2403
2025
Q4 		$1.75K Hold
1,104
– – ﹤0.01% 2077
2025
Q3 		$2.57K Hold
1,104
– – ﹤0.01% 2269
2025
Q2 		$1.39K Hold
1,104
– – ﹤0.01% 1370
2025
Q1 		$1.01K Buy
1,104
+335
+44% +$435 ﹤0.01% 1272
2024
Q4 		$1.22K Buy
+769
New +$1.55K ﹤0.01% 973
2024
Q3 		– Sell
-851
Closed -$1.4K – 969
2024
Q2 		$1.4K Buy
+851
New +$2.72K ﹤0.01% 855

Other funds holding CRBU

P
Pfizer New York $239M AUM 232.47% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
KCM
Kynam Capital Management Princeton, New Jersey $1.62B AUM 138.67% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Aberdeen Group
Aberdeen Group Edinburgh, United Kingdom $61.9B AUM 29.81% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Optiver Holding's CRBU Position: Q1 2026 in Review

Optiver Holding sold out of Caribou Biosciences (CRBU) in Q1 2026, closing a stake of 1,104 shares — an estimated $1.75K sold.

Optiver Holding first reported a position in CRBU in Q2 2024 and held it in 6 quarters. The position peaked at $2.57K in Q3 2025. 137 funds tracked by Wall St. Rank hold CRBU as of Q1 2026.

  • Optiver Holding reported no remaining Caribou Biosciences position as of Q1 2026 after selling out during the quarter.
  • Optiver Holding sold 1,104 Caribou Biosciences shares in Q1 2026, an estimated $1.75K.
  • Optiver Holding first reported a position in Caribou Biosciences in Q2 2024 and held it in 6 quarters.
  • Optiver Holding's Caribou Biosciences position peaked at $2.57K in Q3 2025.
  • 137 funds tracked by Wall St. Rank held Caribou Biosciences as of Q1 2026.

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