Jane Street
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Jane Street’s Caribou Biosciences CRBU Stock Holding History

Jane Street’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
Q2 		$80.4K Buy
+45,700
New +$90.3K ﹤0.01% 10719

Other funds holding CRBU

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
P
Pfizer New York $170M AUM 191.09% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Mackenzie Financial
Mackenzie Financial Toronto Ontario, Ontario, Canada $100B AUM 36.93% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
KCM
Kynam Capital Management Princeton, New Jersey $1.81B AUM 192.15% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Jane Street's CRBU Position: Q2 2026 in Review

Jane Street increased its Caribou Biosciences (CRBU) stake by 21% in Q2 2026, buying an estimated $10.6K and bringing the position to 30,331 shares worth $53.4K. The position accounts for ﹤0.01% of the portfolio, ranked #10907.

Jane Street first reported a position in CRBU in Q3 2022 and has held it in 14 quarters since. The position peaked at $1.27M in Q3 2024. 137 funds tracked by Wall St. Rank hold CRBU as of Q2 2026.

  • Jane Street held 30,331 shares of Caribou Biosciences worth $53.4K as of Q2 2026.
  • Jane Street bought 5,356 Caribou Biosciences shares in Q2 2026, an estimated $10.6K.
  • Caribou Biosciences made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #10907 holding.
  • Jane Street first reported a position in Caribou Biosciences in Q3 2022 and has held it in 14 quarters since.
  • Jane Street's Caribou Biosciences position peaked at $1.27M in Q3 2024.
  • 137 funds tracked by Wall St. Rank held Caribou Biosciences as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.