Day One Biopharmaceuticals, Inc.

Tower Research Capital LLC (TRC) DAWN

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/17/2026

Shares

1,634

Value ($000)

15

Weight

0.0%

2021 Q2 - 2025 Q4 (19 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2025 Q4	2/17/2026	15	0.0%	1,634	12/31/2025
2025 Q3	11/14/2025	93	0.0%	13,152	9/30/2025
2025 Q2	8/15/2025	34	0.0%	5,244	6/30/2025
2025 Q1	5/15/2025	15	0.0%	1,918	3/31/2025
2024 Q4	2/13/2025	135	0.0%	10,657	12/31/2024
2024 Q3	11/14/2024	15	0.0%	1,054	9/30/2024
2024 Q2	8/13/2024	326	0.0%	23,649	6/30/2024
2024 Q1	5/15/2024	28	0.0%	1,700	3/31/2024
2023 Q4	2/13/2024	28	0.0%	1,905	12/31/2023
2023 Q3	11/14/2023	21	0.0%	1,693	9/30/2023
2023 Q2	8/14/2023	38	0.0%	3,171	6/30/2023
2023 Q1	5/9/2023	91	0.0%	6,786	3/31/2023
2022 Q4	2/10/2023	53	0.0%	2,436	12/31/2022
2022 Q3	11/10/2022	44	0.0%	2,186	9/30/2022
2022 Q2	8/15/2022	67	0.0%	3,750	6/30/2022
2022 Q1	5/12/2022	18	0.0%	1,810	3/31/2022
2021 Q4	2/14/2022	17	0.0%	1,047	12/31/2021
2021 Q3	11/15/2021	12	0.0%	534	9/30/2021
2021 Q2	8/16/2021	0	0.0%	10	6/30/2021