· Investment Strategies · 1 source
July 2025 Life Sciences Mega Close: Frazier Life Sciences Closes $1.3B Fund XII
Frazier Life Sciences closed Fund XII at over $1.3 billion on July 31, 2025 — one of the largest biotech venture funds closed in July 2025.
Editorial team
Frazier Life Sciences closed Fund XII at over $1.3 billion on July 31, 2025 — an oversubscribed biotech venture vehicle and one of July's largest fund closes globally.
Key facts
- Firm: Frazier Life Sciences
- Date announced: July 31, 2025
- Fund size: $1.3B+ (oversubscribed)
- Focus: Company creation + early-stage biopharmaceuticals
- HQ: Palo Alto, CA
- Managing Partner: Patrick Heron
Investment strategy
Primarily company creation and early-stage private biopharma — consistent with prior FLS venture funds since the dedicated program launched in 2016.
Why this matters for NYC life sciences
NYC's growing biotech cluster (Dimension Capital, Star51, etc.) benefits from downstream capital availability — Frazier's $1.3B Fund XII adds significant dry powder for life sciences graduates from NYC seed platforms.
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Editorial note: AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.
