Day One Biopharmaceuticals, Inc. - Common Stock (DAWN)
8.8000
-0.0500 (-0.56%)
NASDAQ · Last Trade: Nov 14th, 6:27 PM EST
Detailed Quote
| Previous Close | 8.850 |
|---|---|
| Open | 8.770 |
| Bid | 8.850 |
| Ask | 9.700 |
| Day's Range | 8.560 - 9.050 |
| 52 Week Range | 5.635 - 15.92 |
| Volume | 3,549,469 |
| Market Cap | 647.44M |
| PE Ratio (TTM) | -5.789 |
| EPS (TTM) | -1.5 |
| Dividend & Yield | N/A (N/A) |
| 1 Month Average Volume | 2,542,088 |
Chart
About Day One Biopharmaceuticals, Inc. - Common Stock (DAWN)
Day One Biopharmaceuticals Inc is a biotechnology company focused on developing innovative therapies for patients with serious diseases, particularly in the field of oncology. The company is dedicated to creating targeted treatments for pediatric and adult patients, with an emphasis on precision medicine that addresses the specific genetic and molecular characteristics of their cancers. By leveraging advanced science and a deep understanding of cancer biology, Day One aims to deliver effective, safe, and impactful therapeutic options, improving the lives of patients facing difficult-to-treat conditions. Read More
News & Press Releases
Mersana surged even as multiple firms downgraded the stock following Day One’s acquisition agreement.
Via Stocktwits · November 14, 2025
Day One Biopharmaceuticals plans to acquire Mersana Therapeutics in a deal worth up to $285 million to expand its cancer drug portfolio.
Via Benzinga · November 13, 2025
Shares of Mersana Therapeutics catapulted early Thursday after Day One Biopharmaceuticals agreed to buy it.
Via Investor's Business Daily · November 13, 2025
The upfront purchase price of $25 alone represents a premium of 182% from Mersana’s closing price on Wednesday.
Via Stocktwits · November 13, 2025
Acquisition expands Day One’s portfolio with novel antibody-drug conjugate (ADC) emiltatug ledadotin (Emi-Le)
By Day One Biopharmaceuticals, Inc. · Via GlobeNewswire · November 13, 2025
Three-year follow-up data from FIREFLY-1 demonstrates durable responses with evidence of clinical stability off treatment, with the potential for retreatment after progression
By Day One Biopharmaceuticals, Inc. · Via GlobeNewswire · November 10, 2025
Curious to know what's happening on the US markets in the middle of the day on Wednesday? Join us as we explore the top gainers and losers in today's session.
Via Chartmill · November 5, 2025
Via Benzinga · November 5, 2025
Commercial execution delivers best quarter launch-to-date with growth across all dimensions of core business
By Day One Biopharmaceuticals, Inc. · Via GlobeNewswire · November 4, 2025
BRISBANE, Calif., Oct. 21, 2025 (GLOBE NEWSWIRE) -- Day One Biopharmaceuticals (Nasdaq: DAWN) (“Day One” or the “Company”), a biopharmaceutical company dedicated to developing and commercializing targeted therapies for people of all ages with life-threatening diseases, today announced it will host a live conference call and webcast on Tuesday, November 4, 2025 at 4:30 p.m. ET to report financial results and discuss corporate progress for the third quarter 2025.
By Day One Biopharmaceuticals, Inc. · Via GlobeNewswire · October 21, 2025
Via Benzinga · August 6, 2025
Via Benzinga · August 6, 2025
Via Benzinga · August 5, 2025
Day One Biopharmaceuticals reports Q2 2025 earnings with revenue growth but wider-than-expected loss, causing an 11.8% stock drop. OJEMDA sales rise 10% QoQ, while pipeline advances.
Via Chartmill · August 5, 2025
OJEMDA™ (tovorafenib) net product revenue of $33.6 million in Q2 2025, a 10% quarter-over-quarter increase
By Day One Biopharmaceuticals, Inc. · Via GlobeNewswire · August 5, 2025
BRISBANE, Calif., July 22, 2025 (GLOBE NEWSWIRE) -- Day One Biopharmaceuticals (Nasdaq: DAWN) (“Day One” or the “Company”), a biopharmaceutical company dedicated to developing and commercializing targeted therapies for people of all ages with life-threatening diseases, today announced it will host a live conference call and webcast on Tuesday, August 5, 2025 at 4:30 p.m. ET to report financial results and discuss corporate progress for the second quarter 2025.
By Day One Biopharmaceuticals, Inc. · Via GlobeNewswire · July 22, 2025
Dr. Michael Vasconcelles brings more than 25 years of extensive oncology research, development and health technology expertise and corporate executive leadership to Day One
By Day One Biopharmaceuticals, Inc. · Via GlobeNewswire · June 10, 2025
OJEMDA™ (tovorafenib) prescriptions grew 16% in Q1 2025 compared to Q4 2024
By Day One Biopharmaceuticals, Inc. · Via GlobeNewswire · May 6, 2025
BRISBANE, Calif., April 22, 2025 (GLOBE NEWSWIRE) -- Day One Biopharmaceuticals (Nasdaq: DAWN) (“Day One” or the “Company”), a biopharmaceutical company dedicated to developing and commercializing targeted therapies for people of all ages with life-threatening diseases, today announced it will host a live conference call and webcast on Tuesday, May 6, 2025 at 4:30 p.m. ET to report financial results and discuss corporate progress for the first quarter 2025.
By Day One Biopharmaceuticals, Inc. · Via GlobeNewswire · April 22, 2025

Achieved Q4 2024 and full year 2024 OJEMDA™ (tovorafenib) net product revenues of $29.0 million and $57.2 million, respectively
By Day One Biopharmaceuticals, Inc. · Via GlobeNewswire · February 25, 2025
