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Jeff Yass’s Caribou Biosciences CRBU Stock Holding History

Jeff Yass’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 		$120K Sell
68,200
-93,900
-58% -$186K ﹤0.01% 12371
2026
Q1 		$308K Buy
162,100
+147,800
+1,034% +$254K ﹤0.01% 10796
2025
Q4 		$22.7K Sell
14,300
-7,600
-35% -$16K ﹤0.01% 11929
2025
Q3 		$51K Buy
21,900
+7,600
+53% +$14.3K ﹤0.01% 11855
2025
Q2 		$18K Buy
+14,300
New +$14.1K ﹤0.01% 12350
2025
Q1 		– Sell
-14,400
Closed -$22.9K – 12596
2024
Q4 		$22.9K Buy
+14,400
New +$29K ﹤0.01% 11896
2024
Q3 		– Sell
-14,500
Closed -$23.8K – 12114
2024
Q2 		$23.8K Sell
14,500
-26,000
-64% -$83.1K ﹤0.01% 11622
2024
Q1 		$208K Buy
+40,500
New +$250K ﹤0.01% 10517
2023
Q4 		– Sell
-59,400
Closed -$284K – 12464
2023
Q3 		$284K Buy
59,400
+44,100
+288% +$274K ﹤0.01% 9473
2023
Q2 		$65K Buy
15,300
+3,200
+26% +$14.4K ﹤0.01% 11216
2023
Q1 		$64.3K Sell
12,100
-63,200
-84% -$394K ﹤0.01% 11577
2022
Q4 		$473K Sell
75,300
-36,900
-33% -$328K ﹤0.01% 8014
2022
Q3 		$1.18M Buy
112,200
+51,400
+85% +$479K ﹤0.01% 6196
2022
Q2 		$330K Buy
+60,800
New +$465K ﹤0.01% 9316
2022
Q1 		– Sell
-29,700
Closed -$448K – 13093
2021
Q4 		$448K Buy
+29,700
New +$578K ﹤0.01% 9482

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

Jeff Yass's CRBU Position: Q2 2026 in Review

Jeff Yass reduced its Caribou Biosciences (CRBU) stake by 80% in Q2 2026, selling an estimated $1.33M and leaving 165,414 shares worth $291K. The position accounts for ﹤0.01% of the portfolio, ranked #11110.

Jeff Yass first reported a position in CRBU in Q4 2021 and has held it in 18 quarters since. The position peaked at $1.64M in Q4 2025. 137 funds tracked by Wall St. Rank hold CRBU as of Q2 2026.

  • Jeff Yass held 165,414 shares of Caribou Biosciences worth $291K as of Q2 2026.
  • Jeff Yass sold 671,489 Caribou Biosciences shares in Q2 2026, an estimated $1.33M.
  • Caribou Biosciences made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #11110 holding.
  • Jeff Yass first reported a position in Caribou Biosciences in Q4 2021 and has held it in 18 quarters since.
  • Jeff Yass's Caribou Biosciences position peaked at $1.64M in Q4 2025.
  • 137 funds tracked by Wall St. Rank held Caribou Biosciences as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.