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

Insider buying vs selling

Have Day One Biopharmaceuticals Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Lauren MerendinoChief Commercial Officer2025-08-183,766$6.77
$25.48kSell
Jeremy BenderCHIEF EXECUTIVE OFFICER2025-08-1816,058$6.77
$108.66kSell
Charles N. York IiCOO and CFO2025-08-184,106$6.77
$27.79kSell
Adam DubowGen Counsel Secretary2025-08-184,365$6.77
$29.54kSell
Lauren MerendinoChief Commercial Officer2025-05-163,927$6.26
$24.58kSell
Adam DubowGENERAL COUNSEL2025-05-164,552$6.26
$28.49kSell
Jeremy BenderCHIEF EXECUTIVE OFFICER2025-05-1613,964$6.26
$87.39kSell
Charles N. York IiCOO CFO AND SECRETARY2025-05-164,282$6.26
$26.80kSell
Adam DubowGENERAL COUNSEL2025-02-184,646$11.96
$55.58kSell
Charles N. York IiCOO CFO AND SECRETARY2025-02-184,370$11.96
$52.28kSell

1 of 2

DAWN insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when DAWN insiders and whales buy or sell their stock.

DAWN Shareholders

What type of owners hold Day One Biopharmaceuticals Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Ai Day1 LLC12.62%12,929,322$91.93MInsider
Fmr LLC11.07%11,342,699$80.65MInstitution
Papanek Julie Grant10.93%11,199,207$79.63MInsider
Blackrock Inc9.60%9,830,431$69.89MInstitution
Ai Day 1 LLC9.16%9,377,776$66.68MInsider
Canaan XI LP6.80%6,964,301$49.52MInsider
Atlas Venture Life Science Advisors LLC6.28%6,430,257$45.72MInstitution
Atlas Venture Fund XI LP6.11%6,258,534$44.50MInsider
Vanguard Group Inc6.03%6,176,495$43.91MInstitution
Takeda Pharmaceutical Co Ltd5.97%6,120,124$43.51MInsider

1 of 3

DAWN vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
DAWN56.90%43.10%Net SellingNet Selling
MRVI45.32%54.68%Net BuyingNet Selling
AVBP76.19%23.81%Net BuyingNet Buying
SANA50.57%49.43%Net Selling
TBPH51.78%48.22%Net SellingNet Selling

Day One Biopharmaceuticals Stock Ownership FAQ

Who owns Day One Biopharmaceuticals?

Day One Biopharmaceuticals (NASDAQ: DAWN) is owned by 84.14% institutional shareholders, 63.73% 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 12.62% of the company. Ai Day1 LLC's Day One Biopharmaceuticals shares are currently valued at $90.38M.

If you're new to stock investing, here's how to buy Day One Biopharmaceuticals stock.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.