Day One

San Francisco, United States Founded: 2018 • Age: 8 yrs Acquired By Servier
Investigational cancer drugs, including pan-RAF inhibitors, are developed.
Annual revenue $131.2M Latest available
Total funding $190.0M 2 rounds
Employees 181 Tracked headcount
Investors 12 Known backers
Products 2 Services tracked
Competitors - Brand Intelligence

About Day One

Day One is a company based in San Francisco (United States) founded in 2018 by Sam Blackman was acquired by Servier in March 2026. It operates as a Direct-to-Consumer (D2C). Day One has raised $190 million across 2 funding rounds from investors including T. Rowe Price, Franklin Templeton and Janus Henderson Investors. The company has 181 employees as of December 31, 2024. Day One has completed 1 acquisition, including Mersana. Day One offers products and services including OJEMDA™ (tovorafenib) and Tovorafenib DAY301.

  • Headquarter San Francisco, United States
  • Employees 181 as on 31 Dec, 2024
  • Founders Sam Blackman
  • Stage Public
  • Sectors
    Healthcare
  • Email
    Locked
  • Phone
    Locked
  • Website
    Locked
  • Social
    Locked
  • Legal Name Day One Biopharmaceuticals, Inc.
Operational Areas
Healthcare → Healthcare Products & Supplies Unlock Sub-Sector Unlock Segment
Key Metrics
  • Annual Revenue
    $131.16 M (USD)
    0
    as on Dec 31, 2024
  • Net Profit
    -$95.5 M (USD)
    49.45
    as on Dec 31, 2024
  • EBITDA
    -$215.24 M (USD)
    -4.65
    as on Dec 31, 2024
  • Total Equity Funding
    $190 M (USD)

    in 2 rounds

  • Latest Funding Round
    $130 M (USD), Series B

    Feb 01, 2021

  • Investors
    T. Rowe Price

    & 11 more

  • Employee Count
    181

    as on Dec 31, 2024

  • Investments & Acquisitions
  • Acquired by
    Servier

    (Mar 06, 2026)

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IPO & Listings of Day One

Day One is a publicly listed company on the NASDAQ with ticker symbol DAWN in USA, operating in the Health technology sector. As a publicly traded entity, the company provides investors with opportunities to participate in its growth story through equity ownership. The listing enables access to capital markets, enhances corporate visibility, and provides liquidity for shareholders while maintaining transparency through regulatory compliance and regular financial disclosures.

Exchange: NASDAQ · Ticker: DAWN · Sector: Health technology · USA

Products & Services of Day One

Day One offers a comprehensive portfolio of products and services, including OJEMDA™ (tovorafenib) and Tovorafenib DAY301.

Product name locked
Category locked
Primary

A targeted therapy developed for cancer treatment purposes.

Product name locked
Category locked
Locked

A drug candidate explored for oncology treatment solutions.

People of Day One

Headcount 10-50
Employee Profiles 85
Board Members and Advisors 6
Employee Profiles
People
Xiaomei L.
Sr Director, Head Of Medical Writing
People
Michele Martorana
Senior Clinical Study Manager
People
Leslie Langford
Document Control And Training Specialist
People
Wesley Miller
Director Of Finance - Fp&a Supporting R&d And Commercial

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Board Members and Advisors
people
Garry Nicholson
Chair
people
Natalie Holles
Director

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Funding Insights of Day One

Day One has successfully raised a total of $190M across 2 strategic funding rounds. The most recent funding activity was a Series B round of $130 million completed in February 2021. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.

Investors in Day One

Day One has secured backing from 12 investors, including institutional and venture fund investors. Prominent investors backing the company include T. Rowe Price, Franklin Templeton and Janus Henderson Investors.

All
Venture Fund
Institutional
Investor Description Founded Year Domain Location
Biotech startups are funded by this venture capital firm.
Locked Locked Locked
US private equity investments are managed by BVF Partners.
Locked Locked Locked
Health-tech companies are targeted for venture capital investments.
Locked Locked Locked
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Investor details for Day One

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Investments & Acquisitions by Day One

Day One has strategically engaged in corporate development activities, having acquired 1 company. Notable acquisitions include Mersana.

Investments
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Investment portfolio details for Day One

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  • Transaction dates
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Acquisitions
Company Name Description Domain Location Founded Year Amount
Antibody-drug conjugates for cancer treatment are developed by Mersana.
Locked Locked 2001 Locked
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Complete acquisition details for Day One

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Financial Statements - Day One

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Detailed financials for Day One

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Day One Comparisons

Day One Primary company
Description
Investigational cancer drugs, including pan-RAF inhibitors, ...
Location
San Francisco, United States
Founded Year
2018
Annual Revenue
$131.16 M (USD)
Net Profit
-$95.5 M (USD)
EBITDA
-$215.24 M (USD)
Employees
181
As of 2024
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Peer comparison for Day One

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Competitors of Day One

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Detailed competitors of Day One

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Latest news on Day One

Dow, Oracle, Shopify
Reuters5 months ago
Mergers and acquisitions
Reuters5 months ago
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Complete news archive for Day One

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  • Brand-specific news history

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Frequently Asked Questions about Day One

Day One was founded in 2018 and raised its 1st funding round 2 years after it was founded.

Day One is headquartered in San Francisco, United States. It is registered at San Francisco, California, United States.

Day One is a funded company, having raised a total of $190M across 2 funding rounds to date.

As of Dec 31, 2024, the latest employee count at Day One is 181.

Annual revenue of Day One is $131.16M as on Dec 31, 2024.

Day One Biopharmaceuticals, Inc. is engaged in the development of targeted therapies for cancer treatment, catering to both children and adults. The company operates within the biotechnology sector, emphasizing innovative drug development for oncology. Solutions such as OJEMDA (tovorafenib) are provided to address urgent medical needs. A search development strategy is employed to identify and advance the right programs for patients. The focus is maintained on disrupting traditional drug development to deliver better medicines faster.

Day One offers OJEMDA™ (tovorafenib) and Tovorafenib DAY301.

Yes, Day One is publicly traded on NASDAQ under the ticker symbol DAWN.

Day One has made 1 acquisition, including Mersana.

Day One has 12 investors. Key investors include T. Rowe Price, Franklin Templeton, Janus Henderson Investors, RA Capital, and Servier.

The ticker symbol of Day One is DAWN on NASDAQ.

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