Marshall Wace
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Marshall Wace’s Caribou Biosciences CRBU Stock Holding History

Marshall Wace’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 		$661K Sell
375,686
-829,982
-69% -$1.64M ﹤0.01% 2397
2026
Q1 		$2.29M Buy
1,205,668
+324,563
+37% +$557K ﹤0.01% 1709
2025
Q4 		$1.4M Buy
881,105
+755,261
+600% +$1.59M ﹤0.01% 1768
2025
Q3 		$293K Buy
+125,844
New +$238K ﹤0.01% 2436
2024
Q3 		– Sell
-164,948
Closed -$271K – 2571
2024
Q2 		$271K Sell
164,948
-203,309
-55% -$650K ﹤0.01% 2194
2024
Q1 		$1.89M Buy
368,257
+310,527
+538% +$1.91M ﹤0.01% 1392
2023
Q4 		$331K Buy
+57,730
New +$285K ﹤0.01% 1860

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

Marshall Wace's CRBU Position: Q2 2026 in Review

Marshall Wace reduced its Caribou Biosciences (CRBU) stake by 69% in Q2 2026, selling an estimated $1.64M and leaving 375,686 shares worth $661K. The position accounts for ﹤0.01% of the portfolio, ranked #2397.

Marshall Wace first reported a position in CRBU in Q4 2023 and has held it in 7 quarters since. The position peaked at $2.29M in Q1 2026. 137 funds tracked by Wall St. Rank hold CRBU as of Q2 2026.

  • Marshall Wace held 375,686 shares of Caribou Biosciences worth $661K as of Q2 2026.
  • Marshall Wace sold 829,982 Caribou Biosciences shares in Q2 2026, an estimated $1.64M.
  • Caribou Biosciences made up ﹤0.01% of Marshall Wace's portfolio in Q2 2026, its #2397 holding.
  • Marshall Wace first reported a position in Caribou Biosciences in Q4 2023 and has held it in 7 quarters since.
  • Marshall Wace's Caribou Biosciences position peaked at $2.29M in Q1 2026.
  • 137 funds tracked by Wall St. Rank held Caribou Biosciences as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.