Day One Biopharmaceuticals, Inc. - Common Stock, par value $0.0001 per share (DAWN)

Q: What does CUSIP 23954D109 represent in this 13F holders report?

CUSIP 23954D109 is the security identifier for DAWN - Day One Biopharmaceuticals, Inc. - Common Stock, par value $0.0001 per share used to aggregate holder disclosures.

Q: How many institutions held DAWN - Day One Biopharmaceuticals, Inc. - Common Stock, par value $0.0001 per share in Q2 2021?

32 institutional investors reported DAWN - Day One Biopharmaceuticals, Inc. - Common Stock, par value $0.0001 per share for Q2 2021. Use the holders table for investor-level position and value details.

CUSIP: 23954D109

Q2 2021 13F Holders as of 30 Jun 2021

Type / Class: Equity / Common Stock, par value $0.0001 per share
Shares outstanding: 103,269,345
Total 13F shares: 17,724,839
Share change: +17,724,839
Total reported value: $401,085,000
Price per share: $22.77
Number of holders: 32
Value change: +$401,084,962
Number of buys: 32

Quarterly Holders Quick Answers

What is CUSIP 23954D109?
CUSIP 23954D109 identifies DAWN - Day One Biopharmaceuticals, Inc. - Common Stock, par value $0.0001 per share in SEC institutional holdings data.

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q3 2021

Recent filing periods for CUSIP 23954D109:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of DAWN - Day One Biopharmaceuticals, Inc. - Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

No top shareholder records were found across 13F, 13D/G, and Forms 3/4/5 for this issuer.

Institutional Holders of Day One Biopharmaceuticals, Inc. - Common Stock, par value $0.0001 per share (DAWN) as of Q2 2021

As of 30 Jun 2021, Day One Biopharmaceuticals, Inc. - Common Stock, par value $0.0001 per share (DAWN) was held by 32 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 17,724,839 shares. The largest 10 holders included RA CAPITAL MANAGEMENT, L.P., FMR LLC, PRICE T ROWE ASSOCIATES INC /MD/, VIKING GLOBAL INVESTORS LP, JANUS HENDERSON GROUP PLC, BOXER CAPITAL, LLC, BVF INC/IL, DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C), PERCEPTIVE ADVISORS LLC, and VANGUARD GROUP INC. This page lists 32 institutional shareholders reporting positions in this security for the Q2 2021 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q2 2021 vs Q4 2025 Across Filers

Q4 2025 holders

183

Q2 2021 holders

Holder diff

-151

Investor	Q4 2025 Shares	Q2 2021 Shares	Share Diff	Share Chg %	Q4 2025 Value $	Q2 2021 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.