Jane Street’s Day One Biopharmaceuticals DAWN Stock Holding History

Jane Street’s Portfolio DAWN Stock Details DAWN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2024 Q4	–	Sell	-20,300	Closed	-$283K	–	9584
2024 Q3	$283K	Buy	20,300 +300	+2%	+$4.28K	﹤0.01%	8123
2024 Q2	$276K	Buy	+20,000	New	+$293K	﹤0.01%	7931
2023 Q4	–	Sell	-14,800	Closed	-$182K	–	9264
2023 Q3	$182K	Sell	14,800 -25,400	-63%	-$331K	﹤0.01%	7690
2023 Q2	$480K	Buy	+40,200	New	+$525K	﹤0.01%	6383
2022 Q3	–	Sell	-49,600	Closed	-$888K	–	9815
2022 Q2	$888K	Buy	+49,600	New	+$512K	﹤0.01%	5712

Other funds holding DAWN

IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return

Jane Street's DAWN Position: Q2 2026 in Review

Jane Street sold out of Day One Biopharmaceuticals (DAWN) in Q2 2026, closing a stake of 475,436 shares — an estimated $10.2M sold.

Jane Street first reported a position in DAWN in Q1 2023 and held it in 10 quarters. The position peaked at $10.2M in Q1 2026. 1 fund tracked by Wall St. Rank holds DAWN as of Q2 2026.

Jane Street reported no remaining Day One Biopharmaceuticals position as of Q2 2026 after selling out during the quarter.
Jane Street sold 475,436 Day One Biopharmaceuticals shares in Q2 2026, an estimated $10.2M.
Jane Street first reported a position in Day One Biopharmaceuticals in Q1 2023 and held it in 10 quarters.
Jane Street's Day One Biopharmaceuticals position peaked at $10.2M in Q1 2026.
1 fund tracked by Wall St. Rank held Day One Biopharmaceuticals as of Q2 2026.

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