Cubist Systematic Strategies’s Caribou Biosciences CRBU Stock Holding History

Cubist Systematic Strategies’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
2025 Q3	$216K	Sell	92,762 -215,239	-70%	-$406K	﹤0.01%	2628
2025 Q2	$388K	Buy	+308,001	New	+$303K	﹤0.01%	2349
2024 Q2	–	Sell	-57,657	Closed	-$296K	–	3165
2024 Q1	$296K	Buy	57,657 +55,555	+2,643%	+$343K	﹤0.01%	2882
2023 Q4	$12K	Buy	+2,102	New	+$10.4K	﹤0.01%	3385
2023 Q1	–	Sell	-247	Closed	-$1.55K	–	3983
2022 Q4	$1.55K	Sell	247 -1,500	-86%	-$13.3K	﹤0.01%	4135
2022 Q3	$18K	Hold	1,747	–	–	﹤0.01%	4245
2022 Q2	$9K	Sell	1,747 -105,772	-98%	-$809K	﹤0.01%	4274
2022 Q1	$987K	Buy	107,519 +106,419	+9,674%	+$1.12M	0.01%	2031
2021 Q4	$17K	Sell	1,100 -9,297	-89%	-$181K	﹤0.01%	3385
2021 Q3	$248K	Buy	+10,397	New	+$254K	﹤0.01%	2465

Other funds holding CRBU

Pfizer New York $239M AUM 232.47% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

KCM

Kynam Capital Management Princeton, New Jersey $1.62B AUM 138.67% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Aberdeen Group Edinburgh, United Kingdom $61.9B AUM 29.81% 1-Year Est. Return

PHS

PFM Health Sciences San Francisco, California $1.1B AUM 57.92% 1-Year Est. Return

Two Sigma Advisers New York $51.4B AUM 31.07% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Cubist Systematic Strategies's CRBU Position: Q3 2025 in Review

Cubist Systematic Strategies reduced its Caribou Biosciences (CRBU) stake by 70% in Q3 2025, selling an estimated $406K and leaving 92,762 shares worth $216K. The position accounts for ﹤0.01% of the portfolio, ranked #2628.

Cubist Systematic Strategies first reported a position in CRBU in Q3 2021 and has held it in 10 quarters since. The position peaked at $987K in Q1 2022. 117 funds tracked by Wall St. Rank hold CRBU as of Q3 2025.

Cubist Systematic Strategies held 92,762 shares of Caribou Biosciences worth $216K as of Q3 2025.
Cubist Systematic Strategies sold 215,239 Caribou Biosciences shares in Q3 2025, an estimated $406K.
Caribou Biosciences made up ﹤0.01% of Cubist Systematic Strategies's portfolio in Q3 2025, its #2628 holding.
Cubist Systematic Strategies first reported a position in Caribou Biosciences in Q3 2021 and has held it in 10 quarters since.
Cubist Systematic Strategies's Caribou Biosciences position peaked at $987K in Q1 2022.
117 funds tracked by Wall St. Rank held Caribou Biosciences as of Q3 2025.

Based on Cubist Systematic Strategies's 13F filing for Q3 2025, filed 14 Nov 2025.