Passage Bio
NASDAQ: PASGPhiladelphia, US · Founded 2017 · Delaware corporation · 38 employees on LinkedIn · 7 known investors
Find your way into Passage Bio
Passage Bio is a biotechnology company developing treatments for central nervous system (CNS) diseases, with a focus on neurodegenerative conditions. It works on therapies for patients living or born with CNS diseases and their families.
Founders & leadership
WC
William ChouChief Executive Officer
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Tadataka YamadaNamed on SEC filing
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Board
PH
CG
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Thomas Street Address 1 WoiwodeBoard director
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Saqib IslamBoard director
Investors · 7
Frazier Life SciencesPalo Altovia Patrick Heron · board
Access BiotechnologyreportedNew York City
Frazier Healthcare PartnersreportedSeattle · $50M – $400M
New Leaf Venture PartnersreportedNew York
OrbiMedreported · 2 sourcesNew York · $1M – $75M
Versant Venturesreported · 2 sourcesSan Francisco · $250K – $5M
Vivo Capitalreported · 2 sourcesPalo Alto · $10M – $50M
Reported raises · per SEC filings
Form D private placements$110M disclosed across 1 of 3 rounds · 1900–2019
▶$110MraisedSep 2019 · 15 investors · Other Health CareRule 506(b)
▶$110MraisedSep 2019 · 15 investors · Other Health Care
Rule 506(b)Officers, directors & promoters on the filing
- Patrick HeronDirector
- Carl GordonDirector
- Tadataka YamadaExecutive Officer, Director, Promoter
- Saqib IslamDirector
- Thomas Street Address 1 WoiwodeDirector
- Stephen SquintoExecutive Officer, Director
- Offering amount
- $110M
- Amount sold
- $110M
- First sale
- Aug 2019
- Incorporated
- Corporation, Delaware, 2017
- Federal exemptions
- 06b, 3C, 3C.1
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Valuation · disclosed
Disclosed events$792Mvaluation at IPOFeb 2020 · $18.00/share · 424B4
filing ↗Source: SEC prospectus filings, and round valuations the company or its investors disclosed — follow each entry's link for the claim.
Competitors · 4
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In the news
Passage Bio posts Q2 loss and plans Remix merger | PASG Quarterly Report (10-Q)stocktitan.net · Aug 2026Frequently asked questions
- What does Passage Bio do?
- Passage Bio is a biotechnology company developing treatments for central nervous system (CNS) diseases, with a focus on neurodegenerative conditions. It works on therapies for patients living or born with CNS diseases and their families.
- Who are Passage Bio's investors?
- Passage Bio's investors include Frazier Life Sciences, Access Biotechnology, Frazier Healthcare Partners, New Leaf Venture Partners, OrbiMed, Versant Ventures, Vivo Capital.
- How much funding has Passage Bio raised?
- Passage Bio has disclosed $110M raised across 1 of its 3 known rounds.
- Where is Passage Bio headquartered?
- Passage Bio is headquartered in Philadelphia, US.