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 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 $5.05B AUM 125.28% 1-Year Est. Return

AVLSA

Atlas Venture Life Science Advisors Cambridge, Massachusetts $790M AUM 223.66% 1-Year Est. Return

Opaleye Management Boston, Massachusetts $759M AUM 124.8% 1-Year Est. Return

Carlyle Group Washington, District of Columbia $10B AUM 10.61% 1-Year Est. Return

AVM

Arch Venture Management Chicago, Illinois $677M AUM 322.07% 1-Year Est. Return

ACA

Acorn Capital Advisors New York $352M AUM 299.18% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Mackenzie Financial Toronto Ontario, Ontario, Canada $83.3B AUM 31.19% 1-Year Est. Return

Sanofi Paris, France $534M AUM 205.96% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

Jane Street's QTTB Position: Q1 2026 in Review

Jane Street increased its Q32 Bio (QTTB) stake by 159% in Q1 2026, buying an estimated $191K and bringing the position to 65,599 shares worth $421K. The position accounts for ﹤0.01% of the portfolio, ranked #8448.

Jane Street first reported a position in QTTB in Q3 2020 and has held it in 8 quarters since. The position peaked at $733K in Q3 2024. 54 funds tracked by Wall St. Rank hold QTTB as of Q1 2026.

Jane Street held 65,599 shares of Q32 Bio worth $421K as of Q1 2026.
Jane Street bought 40,225 Q32 Bio shares in Q1 2026, an estimated $191K.
Q32 Bio made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #8448 holding.
Jane Street first reported a position in Q32 Bio in Q3 2020 and has held it in 8 quarters since.
Jane Street's Q32 Bio position peaked at $733K in Q3 2024.
54 funds tracked by Wall St. Rank held Q32 Bio as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.