How many institutional investors hold DAWN?

4 tracked institutional investors disclosed a position in DAWN (DAY ONE BIOPHARMACEUTICALS I) in their most recent 13F filing.

Who is the largest institutional holder of DAWN?

Izzy Englander, Millennium Management, holds the largest disclosed position in DAWN, valued at $41M.

Where does this DAWN ownership data come from?

SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.

DAWN — DAY ONE BIOPHARMACEUTICALS I

Name: DAY ONE BIOPHARMACEUTICALS I (DAWN) — Institutional Ownership
Creator: InvestorLens
License: https://www.sec.gov/about/website-policies

Public company

For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

About DAY ONE BIOPHARMACEUTICALS I (DAWN)

DAY ONE BIOPHARMACEUTICALS I (DAWN) appears in the most recent 13F filings of 4 tracked institutional investors. The largest disclosed position is held by Izzy Englander (Millennium Management), valued at $41M. Across recent filings, tracked investors recorded 2 new positions, 0 increased, 0 reduced, and 0 exited. All data sourced from SEC 13F filings.

Tracked investors reporting DAWN

Investor	Firm	Shares	Market value	% of portfolio	As of
Izzy Englander	Millennium Management	1.9M	$41.3M	0.02%	Mar 31, 2026
George Soros	Soros Fund Management	1.5M	$33M	0.36%	Mar 31, 2026
Ken Griffin	Citadel Advisors	418.7K	$9M	0.00%	Mar 31, 2026
Steve Cohen	Point72 Asset Management	156.2K	$1.5M	0.00%	Dec 31, 2025

Izzy EnglanderMar 31, 2026
Millennium Management
Shares
1.9M
Value
$41.3M
% Portfolio
0.02%
George SorosMar 31, 2026
Soros Fund Management
Shares
1.5M
Value
$33M
% Portfolio
0.36%
Ken GriffinMar 31, 2026
Citadel Advisors
Shares
418.7K
Value
$9M
% Portfolio
0.00%
Steve CohenDec 31, 2025
Point72 Asset Management
Shares
156.2K
Value
$1.5M
% Portfolio
0.00%

Recent activity

Investor	Action	Δ %	Current value	Filing date
Steve Cohen	New	—	$1.5M	Feb 17, 2026
George Soros	New	—	$33M	May 15, 2026

Steve Cohen
New
$1.5MFeb 17, 2026
George Soros
New
$33MMay 15, 2026

Frequently asked questions

How many institutional investors hold DAWN?: 4 tracked institutional investors disclosed a position in DAWN (DAY ONE BIOPHARMACEUTICALS I) in their most recent 13F filing.
Who is the largest institutional holder of DAWN?: Izzy Englander, Millennium Management, holds the largest disclosed position in DAWN, valued at $41M.
Did institutional ownership of DAWN increase or decrease?: Across recent 13F filings, tracked investors recorded 2 new positions, 0 increased, 0 reduced, and 0 fully exited DAWN.
Where does this DAWN ownership data come from?: SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.