// COMPANY
Firefly Bio
SECTOR BIOTECHMENTIONS 3LAST SEEN OCTOBER 21, 2026
// OVERVIEW
San Francisco-based biotech focused on protein degraders, acquired by J&J for $1B.
// RECENT MENTIONS
// SIGNALS
3 SIGNALS
01
funding·PitchBook News·OCTOBER 21, 2026
“emerged from stealth with a $20 million Series A led by Definition Capital.”
02
m_and_a·Axios Pro Rata·JUNE 9, 2026
“Johnson & Johnson agreed to buy Firefly Bio, an SF-based biotech focused on protein degraders, for $1b in cash.”
03
mention·Axios Pro Rata·JUNE 9, 2026
“Johnson & Johnson agreed to buy Firefly Bio, an SF-based biotech focused on protein degraders, for $1b in cash.”
AI-extracted from podcast / newsletter / paper summaries. May contain errors.