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	-475,436	Closed	-$10.2M	–	11815
2026 Q1	$10.2M	Sell	475,436 -369,718	-44%	-$5.21M	﹤0.01%	2515
2025 Q4	$7.88M	Buy	845,154 +565,810	+203%	+$4.73M	﹤0.01%	2620
2025 Q3	$1.97M	Buy	+279,344	New	+$1.92M	﹤0.01%	4969
2025 Q2	–	Sell	-30,910	Closed	-$245K	–	9817
2025 Q1	$245K	Buy	+30,910	New	+$333K	﹤0.01%	8138
2024 Q4	–	Sell	-69,757	Closed	-$972K	–	9583
2024 Q3	$972K	Sell	69,757 -110,027	-61%	-$1.57M	﹤0.01%	5950
2024 Q2	$2.48M	Buy	179,784 +123,010	+217%	+$1.8M	﹤0.01%	4141
2024 Q1	$938K	Buy	56,774 +17,471	+44%	+$261K	﹤0.01%	5538
2023 Q4	$574K	Buy	+39,303	New	+$476K	﹤0.01%	6532
2023 Q3	–	Sell	-36,611	Closed	-$478K	–	8753
2023 Q2	$437K	Sell	36,611 -61,984	-63%	-$810K	﹤0.01%	6520
2023 Q1	$1.32M	Buy	+98,595	New	+$1.93M	﹤0.01%	4516

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.