Day One Biopharmaceuticals, Inc. (DAWN) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

103,381,315Shares Outstanding

82,181,284Shares held by institutions

$1,763,610,355Value of institutional holdings

79.49%Institutional ownership %

4.52%Shares Changed QoQ

179No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Day One Biopharmaceuticals, Inc. (NASDAQ:DAWN) showed up in the 13F filings of 179 institutional investors as of December 2025.

These investors collectively held 78.0% of Day One Biopharmaceuticals's outstanding shares in December 2025, down from 85.2% in September 2025.
Their total shares held in DAWN increased 3.18% from the prior quarter, while the number of investors in Day One Biopharmaceuticals increased 10.49% year over year.
Of these 179 funds, 109 grew their exposure to Day One Biopharmaceuticals, 47 cut back, and 23 maintained positions.
Combined, these investors held 80.62Mn shares in DAWN for December 2025, up by 2.48Mn shares quarter on quarter, and down 14.66Mn shares year over year.
Hickory Point Bank & Trust holds the largest position in DAWN at 750 shares as of December 31, 2025, or 0.0% of shares outstanding.
The most significant purchases of DAWN for the quarter ending December 2025 came from Hickory Point Bank & Trust (750).
Day One Biopharmaceuticals's 1 largest shareholders as of December 2025 include Hickory Point Bank & Trust (750) per Business Quant data.

179 Institutional Holders

82,181,284 Total Shares Held

Rows:

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Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	8,837,574	-163,881	-1.82%	$82,366,188.00
Atlas Venture Life Science Advisors, LLC	31 Dec, 2025	6,412,560	-17,697	-0.28%	$59,765,059.00
VANGUARD GROUP INC	31 Dec, 2025	6,282,376	101,047	1.63%	$58,551,745.00
FMR LLC	31 Dec, 2025	5,717,008	-4,380,660	-43.38%	$53,282,512.00
Vestal Point Capital, LP	31 Dec, 2025	5,200,000	2,525,000	94.39%	$48,464,000.00
State Street Corp	31 Dec, 2025	4,289,566	1,049,122	32.38%	$39,978,755.00
DEERFIELD MANAGEMENT COMPANY, L.P.	31 Dec, 2025	3,723,131	-982,282	-20.88%	$34,699,581.00
Goldman Sachs Group Inc	31 Dec, 2025	3,012,468	1,641,031	119.66%	$28,076,200.00
Pictet Asset Management Holding SA	31 Dec, 2025	2,990,801	617,668	26.03%	$27,874,265.00
AIGH Capital Management LLC	31 Dec, 2025	1,992,021	471,529	31.01%	$18,565,635.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	1,877,838	116,574	6.62%	$17,504,632.00
Hudson Bay Capital Management LP	31 Dec, 2025	1,700,000	-940,000	-35.61%	$15,844,000.00
Morgan Stanley	31 Dec, 2025	1,550,274	246,245	18.88%	$14,448,557.00
BALYASNY ASSET MANAGEMENT L.P.	31 Dec, 2025	1,489,924	105,877	7.65%	$13,886,092.00
Qube Research & Technologies Ltd	31 Dec, 2025	1,486,562	318,893	27.31%	$13,854,758.00
CITADEL ADVISORS LLC	31 Dec, 2025	1,359,613	696,400	105.00%	$12,671,593.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	1,349,919	656,599	94.70%	$12,581,245.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	1,305,084	399,608	44.13%	$12,163,383.00
Jefferies Financial Group Inc.	31 Dec, 2025	1,121,502	1,121,502	0.00%	$10,452,399.00
Bank Of America Corp /De/	31 Dec, 2025	1,083,818	-1,299,884	-54.53%	$10,101,185.00

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