Jane Street’s Q32 Bio QTTB Stock Holding History

Jane Street’s Portfolio QTTB Stock Details QTTB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$2.07M	Buy	162,747 +97,148	+148%	+$812K	﹤0.01%	5103
2026 Q1	$421K	Buy	65,599 +40,225	+159%	+$191K	﹤0.01%	8448
2025 Q4	$84.2K	Buy	+25,374	New	+$71.7K	﹤0.01%	10270
2025 Q3	–	Sell	-46,635	Closed	-$69.5K	–	11963
2025 Q2	$69.5K	Buy	+46,635	New	+$79.5K	﹤0.01%	9091
2024 Q4	–	Sell	-16,437	Closed	-$733K	–	10801
2024 Q3	$733K	Buy	+16,437	New	+$604K	﹤0.01%	6519
2024 Q1	–	Sell	-1,314	Closed	-$14.4K	–	10229
2023 Q4	$14.4K	Buy	+1,314	New	+$19.2K	﹤0.01%	8941
2023 Q1	–	Sell	-727	Closed	-$16.5K	–	10089
2022 Q4	$16.5K	Buy	+727	New	+$19.3K	﹤0.01%	8650
2021 Q1	–	Sell	-986	Closed	-$201K	–	9669
2020 Q4	$201K	Sell	986 -390	-28%	-$75.4K	﹤0.01%	6953
2020 Q3	$264K	Buy	+1,376	New	+$308K	﹤0.01%	6067

Other funds holding QTTB

OrbiMed New York $5.4B AUM 163.13% 1-Year Est. Return

BCM

Boxer Capital Management San Diego, California $1.33B AUM 864.5% 1-Year Est. Return

AVLSA

Atlas Venture Life Science Advisors Cambridge, Massachusetts $881M AUM 160.77% 1-Year Est. Return

BVF Inc San Francisco, California $3.91B AUM 304.52% 1-Year Est. Return

RCM

RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return

Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return

Opaleye Management Boston, Massachusetts $1.1B AUM 197.64% 1-Year Est. Return

LGM

Logos Global Management San Francisco, California $2.32B AUM 536.01% 1-Year Est. Return

SummitTX Capital Fort Worth, Texas $3.89B AUM 55.94% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Jane Street's QTTB Position: Q2 2026 in Review

Jane Street increased its Q32 Bio (QTTB) stake by 148% in Q2 2026, buying an estimated $812K and bringing the position to 162,747 shares worth $2.07M. The position accounts for ﹤0.01% of the portfolio, ranked #5103.

Jane Street first reported a position in QTTB in Q3 2020 and has held it in 9 quarters since. 72 funds tracked by Wall St. Rank hold QTTB as of Q2 2026.

Jane Street held 162,747 shares of Q32 Bio worth $2.07M as of Q2 2026.
Jane Street bought 97,148 Q32 Bio shares in Q2 2026, an estimated $812K.
Q32 Bio made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #5103 holding.
Jane Street first reported a position in Q32 Bio in Q3 2020 and has held it in 9 quarters since.
72 funds tracked by Wall St. Rank held Q32 Bio as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.