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Day One Biopharmaceuticals, Inc.

DAWNDelisted Apr 23, 2026
Industry
Pharmaceutical Preparations
SEC CIK
0001845337

Day One Biopharmaceuticals, Inc. was delisted on Apr 23, 2026; its insiders filed their last Form 4 on Apr 27, 2026; 208 institutions reported holding it in 13F filings for Q1 2026, worth $1.85B in total; Soros Fund Management was the only superinvestor holding it.

Q3 2024 vs. Q2 2024

How the institutions holding Day One Biopharmaceuticals, Inc. changed between Q2 2024 and Q3 2024.

All holders in Q3 2024All holders in Q2 2024

13F holders of DAWN: Q2 2024 compared with Q3 2024
MeasureQ2 2024Of which not filed for Q3 2024Q3 2024Change
Holders1572166+11
Shares74.7M4.53M92.1M+21.9M (+31.1%)
Value$1.03B$62.5M$1.28B+$316.3M (+32.7%)

2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (34)

Institutions that held Day One Biopharmaceuticals, Inc. at the end of Q3 2024 but not at the end of Q2 2024.

Institutions new to DAWN in Q3 2024
InstitutionSharesValue% of portfolio
BlackRock, Inc.4,709,162$65.6M0.00%
Fairmount Funds Management LLC3,103,448$43.2M3.51%
First Turn Management, LLC947,878$13.2M2.09%
Adage Capital Partners GP, L.L.C.900,000$12.5M0.02%
EcoR1 Capital, LLC862,068$12.0M0.41%
Frazier Life Sciences Management, L.P.689,655$9.61M0.39%
StemPoint Capital LP506,978$7.06M2.12%
Stonepine Capital Management, LLC205,675$2.87M1.81%
Essex Investment Management Co LLC184,230$2.57M0.45%
Cubist Systematic Strategies, LLC68,064$948.1K0.01%
Legato Capital Management LLC63,167$879.9K0.11%
Gsa Capital Partners LLP59,259$825.0K0.06%
Capula Management Ltd57,545$801.6K0.01%
Jump Financial, LLC38,010$529.5K0.01%
Walleye Capital LLC34,266$477.3K0.01%
Ameriprise Financial Inc27,129$377.9K0.00%
Intech Investment Management LLC23,236$323.7K0.00%
Graham Capital Management, L.P.19,088$265.9K0.01%
Bayesian Capital Management, LP18,874$262.9K0.03%
Corton Capital Inc.15,637$217.8K0.11%
XTX Topco Ltd12,778$178.0K0.01%
Dynamic Technology Lab Private Ltd12,474$174.0K0.02%
Brevan Howard Capital Management LP11,979$166.9K0.01%
Oxford Asset Management LLP11,157$155.4K0.13%
AJOVista, LLC10,742$149.6K0.64%
Axq Capital, LP10,125$141.0K0.04%
Nebula Research & Development LLC10,107$140.8K0.02%
Aster Capital Management (DIFC) Ltd897$12.5K0.00%
Capital Performance Advisors LLP80$1.11K0.00%
Bessemer Group Inc85$1.00K0.00%
Sterling Capital Management LLC65$9050.00%
Allworth Financial LP6$840.00%
True Wealth Design, LLC4$560.00%
The PNC Financial Services Group, Inc.3$420.00%

Sold out (23)

Institutions that held Day One Biopharmaceuticals, Inc. at the end of Q2 2024 and filed for Q3 2024 without it.

Not filed for Q3 2024 yet (2)

Institutions that held Day One Biopharmaceuticals, Inc. at the end of Q2 2024 and haven't filed a 13F for Q3 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding DAWN in Q2 2024 that haven't filed for Q3 2024
InstitutionShares, Q2 2024Value, Q2 2024
BlackRock Inc.4,533,442$62.5M
ICA Group Wealth Management, LLC490$6.75K