Day One Biopharmaceuticals, Inc. (DAWN) Institutional Ownership

Institutions by Trading Activity

99,840,789Shares Outstanding

604Shares held by institutions

$5,400Value of institutional holdings

0.35%Institutional ownership %

1,199.93%Shares Changed QoQ

4No. of institutional investors

Recent 13F filings as of December 2025 show that 4 institutional investors hold a position in Day One Biopharmaceuticals, Inc. (NASDAQ:DAWN).

Institutional ownership in Day One Biopharmaceuticals edged down to 0.4% in December 2025, compared to 85.6% in September 2025.
In percentage terms, this reflects as a holdings change of 1199.93% quarter on quarter, and a decrease of 97.55% year over year.
During the quarter, 3 institutions bought more Day One Biopharmaceuticals shares, 0 sold shares, and 1 of the 4 total investors held their position steady.
The total number of shares held by institutions in Day One Biopharmaceuticals increased to 350.82K as of December 2025, a net change of up by 323.84K shares quarter on quarter, and down 93.33Mn shares year over year.
As of December 31, 2025, SG Americas Securities, LLC held Day One Biopharmaceuticals's largest shareholding position with over 350.09K shares, representing 0.35% of total outstanding shares.
Among the most significant buyers of Day One Biopharmaceuticals during December 2025 were SG Americas Securities, LLC (323.75K), GAMMA Investing LLC (64), True Wealth Design, LLC (26).
The top 4 institutional holders of Day One Biopharmaceuticals for the quarter ending December 2025 included SG Americas Securities, LLC (350.09K), Versant Capital Management, Inc (604), GAMMA Investing LLC (103), True Wealth Design, LLC (26).

604 Total Shares Held

Rows:

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
FMR LLC	30 Sep, 2025	10,097,668	-1,245,031	-10.98%	$71,188,561.00
BlackRock, Inc.	30 Sep, 2025	9,001,455	-828,976	-8.43%	$63,460,258.00
Atlas Venture Life Science Advisors, LLC	30 Sep, 2025	6,430,257	0	0.00%	$45,333,312.00
VANGUARD GROUP INC	30 Sep, 2025	6,181,329	4,834	0.08%	$43,578,369.00
DEERFIELD MANAGEMENT COMPANY, L.P.	30 Sep, 2025	4,705,413	982,282	26.38%	$33,173,162.00
FRANKLIN RESOURCES INC	30 Sep, 2025	3,477,026	-620,599	-15.15%	$24,513,031.00
Rubric Capital Management LP	30 Sep, 2025	3,377,071	3,377,071	0.00%	$23,808,351.00
STATE STREET CORP	30 Sep, 2025	3,240,444	550,758	20.48%	$22,845,130.00
Vestal Point Capital, LP	30 Sep, 2025	2,675,000	-325,000	-10.83%	$18,858,750.00
Pictet Asset Management Holding SA	30 Sep, 2025	2,373,133	-1,349,599	-36.25%	$16,730,588.00
Alyeska Investment Group, L.P.	30 Sep, 2025	2,212,187	-800,000	-26.56%	$15,595,918.00
BRAIDWELL LP	30 Sep, 2025	2,181,598	0	0.00%	$15,380,266.00
GEODE CAPITAL MANAGEMENT, LLC	30 Sep, 2025	1,761,264	48,835	2.85%	$12,418,743.00
AIGH Capital Management LLC	30 Sep, 2025	1,520,492	1,520,492	0.00%	$10,719,469.00
MAK CAPITAL ONE LLC	30 Sep, 2025	1,448,461	1,448,461	0.00%	$10,211,650.00
BALYASNY ASSET MANAGEMENT L.P.	30 Sep, 2025	1,384,047	1,384,047	0.00%	$9,757,531.00
GOLDMAN SACHS GROUP INC	30 Sep, 2025	1,371,437	-319,849	-18.91%	$9,668,631.00
Hudson Bay Capital Management LP	30 Sep, 2025	1,320,000	23,300	1.80%	$9,306,000.00
ALGERT GLOBAL LLC	30 Sep, 2025	1,317,042	411,000	45.36%	$9,285.00
MORGAN STANLEY	30 Sep, 2025	1,304,029	-49,119	-3.63%	$9,193,406.00

1 - 20 of 171