STOCKNO.DE
Institutional ownership intelligence
Research
Schedule 13G/A

DAWNGBX Schedule 13G/A filing by Fidelity / FMR

Fidelity / FMR reported beneficial ownership of 23 shares, representing 12% of DAY ONE BIOPHARMACEUTICALS I in this filing.

FiledApr 7, 2026
Ownership dateMar 31, 2026
Reported shares23
Reported ownership12%
Ownership details

Voting and dispositive power reported in the filing

These figures describe the reporting filer’s disclosed voting and investment authority. They should be read together with the reported share count and percentage.

Sole voting power 4.9K
Shared voting power 23
Sole dispositive power 23
Shared dispositive power 23
Source

Original filing and accession

Use the SEC filing as the primary source when you need the complete disclosure, footnotes, exhibits, or reporting-person details.

Reporting filer
Fidelity / FMR
CIK
CIK0000315066
Accession
0000315066-26-000716
Form
Schedule 13G/A
Open SEC filing View DAWNGBX ownership history
Read the filing in context

Understand what a Schedule 13 filing does—and does not—tell you.

How to read a Schedule 13G → Does a 13G mean the shares were just bought? → Filing date vs. ownership date →