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Flare Therapeutics

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Bringing an entirely different approach to decipher the biology of transcription factors to develop small molecule medicines

Cambridge, United StatesFounded 2021Biotech & Life Sciences
Valuation $250–500M Last recorded · 2026
Headcount <100 Current team size
Total funding $100–500M Disclosed equity funding
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About Flare Therapeutics

Flare Therapeutics is a biotechnology startup that operates in the healthcare sector, specifically in the field of cancer treatment. The company's primary focus is on the development of small molecules designed to regain control of transcription factors that are often hijacked by cancer cells. This innovative approach has the potential to significantly alter the way diseases, particularly cancer, are treated.

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Flare Therapeutics serves a broad range of clients, primarily in the healthcare and medical research sectors. These include hospitals, research institutions, and potentially pharmaceutical companies interested in novel cancer treatments. The company operates in the highly competitive and rapidly evolving biotechnology market, where innovation and scientific breakthroughs are key to success.

The business model of Flare Therapeutics revolves around research and development of these small molecules. Once developed, these molecules can be patented and sold to healthcare providers or licensed to pharmaceutical companies for further development and commercialization. The company generates revenue through these sales and licensing agreements.

Recently, Flare Therapeutics presented new translational data in support of its lead asset, FX-909, for the treatment of Muscle-Invasive Urothelial Cancer (MIUC) at the SITC 2023 Annual Meeting. The company proposed targeting PPARG, a type of transcription factor, to overcome resistance to immunotherapy in MIUC treatment.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2021
Headquarters
Cambridge, United States
Employees
63
Open positions
None listed
Dealroom signal
63.9/100
Industry
Health
Sub-industry
BioTechnology
Sector
Biotech & Life Sciences, Biotechnology, Oncology, Spinout, Biotech and Pharma, DT and LS, science-based
Business model
Manufacturing
Client focus
b2b

Funding history

4 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES COther financing Jun 2026 $85M $340M Agent Capital · Eli Lilly · Boxer Capital · Pfizer Ventures ↗
SERIES BOther financing Mar 2023 $123M $492M Memorial Sloan - Kettering Cancer Center · Eventide Asset Management · Agent Capital · ShangBay Capital ↗
Showing the latest 2 of 4 recorded eventsBook a demo for the full funding history →

Growth signals

Flare Therapeutics website traffic

Latest recorded traffic for Flare Therapeutics is 3.8K monthly website visits, down 13.6% over the last three months. Flare Therapeutics's team declined 3.1% over the past year.

Latest monthly visits3.8K 3-month web change-13.6% 1-year team growth-3.1%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

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Showing 8 of the closest matchesCompare every metric →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

15 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Series A14 investors entered at this stage

  • Third Rock Ventures
  • Nextech Invest
  • Invus
  • Casdin Capital
  • Eventide Asset Management
  • Boxer Capital
  • Pfizer Ventures
  • GordonMD Global Investment
  • Memorial Sloan - Kettering Cancer Center
  • Agent Capital
  • ShangBay Capital
  • Eli Lilly
  • Pavilion Capital Partners
  • Novartis

Other known investors1 additional known investor

  • University of Pennsylvania
Team profiled 13 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 2 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
2 countries with
team presence
🇺🇸 United States94.3%
🇨🇦 Canada5.7%
2 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Flare Therapeutics on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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