DAY ONE BIOPHARMACEUTICALS I (DAWN) Institutional Ownership and Insiders Activity

DAY ONE BIOPHARMACEUTICALS I (DAWN) is widely held by institutional investors, with 4 firms reporting positions valued at approximately $15.19M based on SEC Form 13F filings for the quarter ended March 31, 2026.

Janus Henderson Group Plc is the largest disclosed holder, reporting approximately $11.71M in DAWN holdings in its latest filing.

Institutional ownership remains highly concentrated, with Janus Henderson Group Plc representing the majority of disclosed value.