Russell Investments Group
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Russell Investments Group’s Caribou Biosciences CRBU Stock Holding History

Russell Investments Group’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 		$65.8K Buy
37,380
+9,820
+36% +$19.4K ﹤0.01% 3557
2026
Q1 		$52.4K Buy
27,560
+3,213
+13% +$5.51K ﹤0.01% 3303
2025
Q4 		$38.7K Buy
24,347
+10,824
+80% +$22.7K ﹤0.01% 3392
2025
Q3 		$31.5K Sell
13,523
-9,049
-40% -$17.1K ﹤0.01% 3446
2025
Q2 		$28.4K Sell
22,572
-1,108
-5% -$1.09K ﹤0.01% 3119
2025
Q1 		$21.6K Sell
23,680
-229
-1% -$298 ﹤0.01% 3095
2024
Q4 		$38K Buy
23,909
+21,416
+859% +$43.1K ﹤0.01% 2880
2024
Q3 		$4.89K Buy
2,493
+647
+35% +$1.32K ﹤0.01% 3216
2024
Q2 		$3.03K Buy
+1,846
New +$5.9K ﹤0.01% 3302
2023
Q3 		– Sell
-1,716
Closed -$7.29K – 3548
2023
Q2 		$7.29K Hold
1,716
– – ﹤0.01% 3030
2023
Q1 		$9.11K Hold
1,716
– – ﹤0.01% 2897
2022
Q4 		$10.8K Hold
1,716
– – ﹤0.01% 2841
2022
Q3 		$18K Buy
+1,716
New +$16K ﹤0.01% 2816

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

Russell Investments Group's CRBU Position: Q2 2026 in Review

Russell Investments Group increased its Caribou Biosciences (CRBU) stake by 36% in Q2 2026, buying an estimated $19.4K and bringing the position to 37,380 shares worth $65.8K. The position accounts for ﹤0.01% of the portfolio, ranked #3557.

Russell Investments Group first reported a position in CRBU in Q3 2022 and has held it in 13 quarters since. 137 funds tracked by Wall St. Rank hold CRBU as of Q2 2026.

  • Russell Investments Group held 37,380 shares of Caribou Biosciences worth $65.8K as of Q2 2026.
  • Russell Investments Group bought 9,820 Caribou Biosciences shares in Q2 2026, an estimated $19.4K.
  • Caribou Biosciences made up ﹤0.01% of Russell Investments Group's portfolio in Q2 2026, its #3557 holding.
  • Russell Investments Group first reported a position in Caribou Biosciences in Q3 2022 and has held it in 13 quarters since.
  • 137 funds tracked by Wall St. Rank held Caribou Biosciences as of Q2 2026.

Based on Russell Investments Group's 13F filing for Q2 2026, filed 6 Aug 2026.