Day One Biopharmaceuticals, Inc., a commercial-stage company, focused on advancing class medicines for childhood and adult diseases with equal intensity in the United States. The company's lead product candidate is tovorafenib, an oral brain-penetrant type II pan-rapidly accelerated fibrosarcoma kinase inhibitor that is in Phase II clinical trial for pediatric patients with relapsed or refractory low-grade glioma; and Ipsen, a frontline raf-altered pLGG which is in Phase III clinical trial stage. It also developing DAY301, which is in phase I clinical trial for adult and pediatric cancers; and VRK1 Inhibitor which is in pre-clinical stage for adult and pediatric cancers. Day One Biopharmaceuticals, Inc. was incorporated in 2018 and is headquartered in Brisbane, California. Show more

Location: 1800 Sierra Point Parkway, Suite 217, Brisbane, CA, 94005, United States | Website: https://dayonebio.com | Industry: Biotechnology | Sector: Healthcare

Market Cap

849.1M

52 Wk Range

$5.63 - $13.53

Previous Close

$8.27

Open

$8.28

Volume

5,308,590

Day Range

$8.25 - $8.73

Enterprise Value

401.5M

Cash

451.6M

Avg Qtr Burn

-29.9M

Insider Ownership

16.94%

Institutional Own.

84.54%

Qtr Updated

09/30/25

Drug Pipeline

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Drug & Indication	Stage & Event	Catalyst Date
OJEMDA™ (Tovorafenib) (DAY101) Details Cancer, Pediatric low-grade glioma	Approved Quarterly sales	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
OJEMDA™ (Tovorafenib) (DAY101) Details Cancer, Pediatric low-grade glioma	Phase 3 Update	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
DAY301 (formerly MTX-13) Details Solid tumor/s	Phase 1 Data readout	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Tovorafenib (DAY101) +/- Pimasertib Details Solid tumor/s, Cancer	Failed Discontinued	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.