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
2020 Q4	–	Sell	-639	Closed	-$123K	–	8226
2020 Q3	$123K	Buy	+639	New	+$143K	﹤0.01%	6688

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.