RhumbLine Advisers
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RhumbLine Advisers’s Caribou Biosciences CRBU Stock Holding History

RhumbLine Advisers’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 		$121K Buy
+68,571
New +$136K ﹤0.01% 3463
2025
Q2 		– Sell
-116,590
Closed -$106K – 4164
2025
Q1 		$106K Sell
116,590
-11,869
-9% -$15.4K ﹤0.01% 3372
2024
Q4 		$204K Buy
128,459
+1,535
+1% +$3.09K ﹤0.01% 3189
2024
Q3 		$249K Buy
126,924
+2,009
+2% +$4.11K ﹤0.01% 3126
2024
Q2 		$205K Buy
124,915
+2,398
+2% +$7.66K ﹤0.01% 3212
2024
Q1 		$630K Buy
122,517
+3,455
+3% +$21.3K ﹤0.01% 2519
2023
Q4 		$682K Buy
119,062
+10,864
+10% +$53.7K ﹤0.01% 2486
2023
Q3 		$517K Buy
108,198
+21,686
+25% +$135K ﹤0.01% 2594
2023
Q2 		$368K Sell
86,512
-961
-1% -$4.32K ﹤0.01% 2883
2023
Q1 		$464K Buy
87,473
+2,255
+3% +$14K ﹤0.01% 2473
2022
Q4 		$535K Buy
85,218
+350
+0.4% +$3.11K ﹤0.01% 2433
2022
Q3 		$895K Buy
84,868
+8,530
+11% +$79.5K ﹤0.01% 2188
2022
Q2 		$415K Buy
76,338
+27,980
+58% +$214K ﹤0.01% 2590
2022
Q1 		$444K Buy
48,358
+28,633
+145% +$302K ﹤0.01% 2477
2021
Q4 		$298K Buy
19,725
+2,126
+12% +$41.3K ﹤0.01% 2706
2021
Q3 		$420K Buy
+17,599
New +$430K ﹤0.01% 2620

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 $3.38T AUM 44.17% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

RhumbLine Advisers's CRBU Position: Q2 2026 in Review

RhumbLine Advisers opened a new position in Caribou Biosciences (CRBU) in Q2 2026: 68,571 shares worth $121K. The stake represents ﹤0.01% of the portfolio and ranks #3463 among its holdings. This is a return to the name: RhumbLine Advisers previously reported a position in CRBU as recently as Q1 2025.

RhumbLine Advisers first reported a position in CRBU in Q3 2021 and has held it in 16 quarters since. The position peaked at $895K in Q3 2022. 137 funds tracked by Wall St. Rank hold CRBU as of Q2 2026.

  • RhumbLine Advisers held 68,571 shares of Caribou Biosciences worth $121K as of Q2 2026.
  • Caribou Biosciences was a new RhumbLine Advisers position in Q2 2026.
  • Caribou Biosciences made up ﹤0.01% of RhumbLine Advisers's portfolio in Q2 2026, its #3463 holding.
  • RhumbLine Advisers first reported a position in Caribou Biosciences in Q3 2021 and has held it in 16 quarters since.
  • RhumbLine Advisers's Caribou Biosciences position peaked at $895K in Q3 2022.
  • 137 funds tracked by Wall St. Rank held Caribou Biosciences as of Q2 2026.

Based on RhumbLine Advisers's 13F filing for Q2 2026, filed 12 Aug 2026.