Firefly Bio
Latest round
- Series A
Last raised
- Feb 2024
Total raised
- $72M
Investors
- 4
About Firefly Bio
Founded in 2022 and based in California, US, Firefly Bio, Inc. operates as a biotechnology platform that provides Degrader Antibody Conjugates for targeted therapy in medical treatments. The company was co-founded by Carolyn Bertozzi, John Flygare, and Bernhard Geierstanger. In June 2026, Johnson & Johnson, Inc. agreed to acquire Firefly Bio, Inc. from Versant Ventures, MPM BioImpact, and Decheng Capital for USD 1 billion in cash. The transaction is subject to customary closing condition and is expected to be completed later this year.'s flagship product, Degrader Antibody Conjugates (DACs), leverages the precision of antibody conjugation and the power of selective protein degradation. The technology enables the selective degradation of disease-causing proteins within target tissues, minimizing off-target effects and maximizing therapeutic efficacy. The DAC candidates spanning various therapeutic areas including cancer and autoimmune disorders, with enhanced efficacy and reduced side effects. The acquisition enables Johnson & Johnson to expand its oncology pipeline by adding Firefly Bio’s degrader antibody conjugate platform to develop targeted treatments for KRAS-driven cancers and other hard-to-treat tumors.
Who invested in Firefly Bio
4 investors across 1 round
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Funding rounds
Series A
Feb 15, 2024
Amount
$72M
Investors
Questions about Firefly Bio
Who invested in Firefly Bio?
Firefly Bio has 4 investors on record across 1 venture round. Sign up free to see every VC on the cap table and the rounds they joined.
How much funding has Firefly Bio raised?
Firefly Bio has raised 1 venture round. Sign up free to see how much each round raised and the total.
When did Firefly Bio last raise money?
Firefly Bio's most recent round on record is a Series A, in Feb 2024.
What does Firefly Bio do?
Founded in 2022 and based in California, US, Firefly Bio, Inc.
Where is Firefly Bio headquartered?
Firefly Bio is headquartered in South San Francisco, US.
Which VCs invest in companies like Firefly Bio?
Among active investors with capital left to deploy, Andreessen Horowitz, Founders Fund, Accel and Thrive Capital back biotechnology companies at Firefly Bio's stage. Their profiles are linked below.
VCs backing biotechnology startups at Series A
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