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
2026 Q2	–	Sell	-30,700	Closed	-$658K	–	11814
2026 Q1	$658K	Buy	30,700 +12,900	+72%	+$182K	﹤0.01%	7400
2025 Q4	$166K	Buy	+17,800	New	+$149K	﹤0.01%	9866
2024 Q1	–	Sell	-18,100	Closed	-$264K	–	9333
2023 Q4	$264K	Sell	18,100 -7,000	-28%	-$84.9K	﹤0.01%	7814
2023 Q3	$308K	Buy	25,100 +9,800	+64%	+$128K	﹤0.01%	7018
2023 Q2	$183K	Buy	+15,300	New	+$200K	﹤0.01%	7720
2022 Q4	–	Sell	-69,200	Closed	-$1.39M	–	9295
2022 Q3	$1.39M	Sell	69,200 -34,100	-33%	-$725K	﹤0.01%	4840
2022 Q2	$1.85M	Buy	+103,300	New	+$1.07M	﹤0.01%	4315

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.