RBF Capital
CRBU icon

RBF Capital’s Caribou Biosciences CRBU Stock Holding History

RBF Capital’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
Q3 		$50.8K Hold
40,000
– – ﹤0.01% 501
2026
Q2 		$70.4K Hold
40,000
– – ﹤0.01% 507
2026
Q1 		$76K Hold
40,000
– – ﹤0.01% 483
2025
Q4 		$63.6K Sell
40,000
-40,000
-50% -$84K ﹤0.01% 550
2025
Q3 		$186K Hold
80,000
– – 0.01% 530
2025
Q2 		$101K Buy
+80,000
New +$78.7K ﹤0.01% 572

Other funds holding CRBU

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Pfizer
Pfizer New York $164M AUM 53.62% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Mackenzie Financial
Mackenzie Financial Toronto Ontario, Ontario, Canada $91.6B AUM 30% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $73.4B AUM 32.8% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $85.7B AUM 51.02% 1-Year Est. Return
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT) London, United Kingdom $123B AUM 30.05% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return

RBF Capital's CRBU Position: Q3 2026 in Review

RBF Capital held its Caribou Biosciences (CRBU) position steady in Q3 2026 at 40,000 shares worth $50.8K. The position accounts for ﹤0.01% of the portfolio, ranked #501.

RBF Capital first reported a position in CRBU in Q2 2025 and has held it in 6 quarters since. The position peaked at $186K in Q3 2025. 109 funds tracked by Wall St. Rank hold CRBU as of Q3 2026.

  • RBF Capital held 40,000 shares of Caribou Biosciences worth $50.8K as of Q3 2026.
  • RBF Capital left its Caribou Biosciences share count unchanged in Q3 2026.
  • Caribou Biosciences made up ﹤0.01% of RBF Capital's portfolio in Q3 2026, its #501 holding.
  • RBF Capital first reported a position in Caribou Biosciences in Q2 2025 and has held it in 6 quarters since.
  • RBF Capital's Caribou Biosciences position peaked at $186K in Q3 2025.
  • 109 funds tracked by Wall St. Rank held Caribou Biosciences as of Q3 2026.

Based on RBF Capital's 13F filing for Q3 2026, filed 13 Nov 2026.