Spark Investment Management’s Caribou Biosciences CRBU Stock Holding History

Spark Investment Management’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	$41.5K	Buy	+23,600	New	+$46.6K	0.08%	60

Other funds holding CRBU

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Pfizer New York $170M AUM 191.09% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Mackenzie Financial Toronto Ontario, Ontario, Canada $100B AUM 36.93% 1-Year Est. Return

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 Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

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

Spark Investment Management's CRBU Position: Q2 2026 in Review

Spark Investment Management opened a new position in Caribou Biosciences (CRBU) in Q2 2026: 23,600 shares worth $41.5K. The stake represents 0.08% of the portfolio and ranks #60 among its holdings.

137 funds tracked by Wall St. Rank hold CRBU as of Q2 2026.

Spark Investment Management held 23,600 shares of Caribou Biosciences worth $41.5K as of Q2 2026.
Caribou Biosciences was a new Spark Investment Management position in Q2 2026.
Caribou Biosciences made up 0.08% of Spark Investment Management's portfolio in Q2 2026, its #60 holding.
137 funds tracked by Wall St. Rank held Caribou Biosciences as of Q2 2026.

Based on Spark Investment Management's 13F filing for Q2 2026, filed 10 Aug 2026.