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Tower Research Capital (TRC)’s Caribou Biosciences CRBU Stock Holding History

Tower Research Capital (TRC)’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 		$11.4K Sell
6,022
-14,329
-70% -$24.6K ﹤0.01% 3844
2025
Q4 		$32.4K Buy
20,351
+1,132
+6% +$2.38K ﹤0.01% 2754
2025
Q3 		$44.8K Sell
19,219
-54,834
-74% -$104K ﹤0.01% 2618
2025
Q2 		$93.3K Buy
74,053
+63,129
+578% +$62.1K ﹤0.01% 2438
2025
Q1 		$9.97K Buy
10,924
+3,572
+49% +$4.64K ﹤0.01% 3695
2024
Q4 		$11.7K Buy
7,352
+2,038
+38% +$4.1K ﹤0.01% 3686
2024
Q3 		$10.4K Sell
5,314
-33,787
-86% -$69.2K ﹤0.01% 3760
2024
Q2 		$64.1K Buy
39,101
+34,674
+783% +$111K ﹤0.01% 2907
2024
Q1 		$22.8K Sell
4,427
-16,507
-79% -$102K ﹤0.01% 2882
2023
Q4 		$120K Buy
20,934
+13,678
+189% +$67.6K ﹤0.01% 2507
2023
Q3 		$34.7K Buy
7,256
+385
+6% +$2.39K ﹤0.01% 2894
2023
Q2 		$29.2K Buy
6,871
+3,218
+88% +$14.5K ﹤0.01% 3047
2023
Q1 		$19K Sell
3,653
-5,634
-61% -$35.1K ﹤0.01% 3481
2022
Q4 		$58K Sell
9,287
-4,270
-31% -$38K ﹤0.01% 2234
2022
Q3 		$143K Buy
13,557
+10,489
+342% +$97.7K ﹤0.01% 2233
2022
Q2 		$17K Sell
3,068
-1,613
-34% -$12.3K ﹤0.01% 3948
2022
Q1 		$43K Buy
4,681
+2,021
+76% +$21.3K ﹤0.01% 2851
2021
Q4 		$40K Buy
2,660
+2,190
+466% +$42.6K ﹤0.01% 2940
2021
Q3 		$11K Buy
+470
New +$11.5K ﹤0.01% 4212

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

Tower Research Capital (TRC)'s CRBU Position: Q1 2026 in Review

Tower Research Capital (TRC) reduced its Caribou Biosciences (CRBU) stake by 70% in Q1 2026, selling an estimated $24.6K and leaving 6,022 shares worth $11.4K. The position accounts for ﹤0.01% of the portfolio, ranked #3844.

Tower Research Capital (TRC) first reported a position in CRBU in Q3 2021 and has held it in 19 quarters since. The position peaked at $143K in Q3 2022. 137 funds tracked by Wall St. Rank hold CRBU as of Q1 2026.

  • Tower Research Capital (TRC) held 6,022 shares of Caribou Biosciences worth $11.4K as of Q1 2026.
  • Tower Research Capital (TRC) sold 14,329 Caribou Biosciences shares in Q1 2026, an estimated $24.6K.
  • Caribou Biosciences made up ﹤0.01% of Tower Research Capital (TRC)'s portfolio in Q1 2026, its #3844 holding.
  • Tower Research Capital (TRC) first reported a position in Caribou Biosciences in Q3 2021 and has held it in 19 quarters since.
  • Tower Research Capital (TRC)'s Caribou Biosciences position peaked at $143K in Q3 2022.
  • 137 funds tracked by Wall St. Rank held Caribou Biosciences as of Q1 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q1 2026, filed 15 May 2026.