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NASDAQ: DAWN
Day One Biopharmaceuticals Inc Stock Ownership - Who owns Day One Biopharmaceuticals?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Day One Biopharmaceuticals Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Jeremy BenderCHIEF EXECUTIVE OFFICER2026-02-1715,459$11.60
$179.34kSell
Charles N. York IiCOO and CFO2026-02-176,065$11.60
$70.36kSell
Adam DubowGen Counsel Secretary2026-02-176,395$11.60
$74.19kSell
Lauren MerendinoChief Commercial Officer2026-02-175,814$11.60
$67.45kSell
Michael VasconcellesHead of Research and Dev.2026-02-172,728$11.60
$31.65kSell
Adam DubowGen Counsel Secretary2025-11-174,319$8.92
$38.50kSell
Charles N. York IiCOO and CFO2025-11-174,062$8.92
$36.21kSell
Lauren MerendinoChief Commercial Officer2025-11-173,726$8.92
$33.22kSell
Jeremy BenderCHIEF EXECUTIVE OFFICER2025-11-1715,894$8.92
$141.70kSell
Jeremy BenderCHIEF EXECUTIVE OFFICER2025-08-1816,058$6.77
$108.66kSell

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Net Insider Buy/Sell (L12M) Ownership

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DAWN Shareholders

What type of owners hold Day One Biopharmaceuticals Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Ai Day1 LLC12.52%12,929,322$276.30MInsider
Papanek Julie Grant10.84%11,199,207$239.33MInsider
Ai Day 1 LLC9.08%9,377,776$200.40MInsider
Blackrock Inc8.56%8,837,574$188.86MInstitution
Canaan XI LP6.74%6,964,301$148.83MInsider
Atlas Venture Life Science Advisors LLC6.21%6,412,560$137.04MInstitution
Vanguard Group Inc6.08%6,282,376$134.25MInstitution
Atlas Venture Fund XI LP6.06%6,258,534$133.74MInsider
Takeda Pharmaceutical Co Ltd5.92%6,120,124$130.79MInsider
Fmr LLC5.53%5,717,008$122.17MInstitution

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DAWN vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
DAWN56.11%43.89%Net SellingNet Selling
SNDX91.46%8.54%Net SellingNet Selling
ORKA25.56%74.44%Net BuyingNet Selling
APLS76.66%23.34%Net SellingNet Selling
ADPT62.98%37.02%Net SellingNet Selling
View Top Biotech Stocks

Day One Biopharmaceuticals Stock Ownership FAQ

Who owns Day One Biopharmaceuticals?

Day One Biopharmaceuticals (NASDAQ: DAWN) is owned by 78.81% institutional shareholders, 61.65% Day One Biopharmaceuticals insiders, and 0.00% retail investors. Ai Day1 LLC is the largest individual Day One Biopharmaceuticals shareholder, owning 12.93M shares representing 12.52% of the company. Ai Day1 LLC's Day One Biopharmaceuticals shares are currently valued at $276.69M.

If you're new to stock investing, here's how to buy Day One Biopharmaceuticals stock.
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