Biotech VC, Chicago
ARCH Venture Partners
Venture capital firm · Chicago · Founded 1986
Quick read
ARCH Venture Partners is an early-stage biotech and deep-science VC founded in 1986, headquartered in Chicago with a secondary office in Seattle. The firm manages approximately $12 billion in AUM across 17 funds, most recently closing Fund XIII at $3 billion in September 2024. ARCH co-founds companies directly with university researchers and national lab scientists, placing concentrated bets on breakthrough life sciences platforms before most investors show up.
Key facts
- Founded
- 1986
- Founders
- Steven Lazarus
- Employees
- 93
- Sectors
- biotech, healthcare, ai, hardware
- Website
- www.archventure.com
Investment thesis
ARCH co-founds companies at the concept stage directly with university researchers and national laboratory scientists, taking contrarian positions in early-stage life sciences, deep science, and physical sciences where the potential for disease prevention, detection, and cure is largest. The firm writes large checks and builds concentrated portfolios, repeatedly leading $100M+ formation rounds.
Recent activity
- Jun 2026investmentKardigan raised $400M in an IPO to fund three clinical-stage cardiovascular programs; ARCH Venture Partners is a backer. archventure.com
- Jun 2026investmentParabilis Medicines set a biotech IPO record; ARCH Venture Partners is listed as a backer. archventure.com
- Jun 2026investmentARCH-backed SonoThera closed a Series B to advance safer gene therapies. archventure.com
- Jun 2026investmentOllin Biosciences raised an oversubscribed $330M Series B co-led by ARCH Venture Partners and TCGX to advance Phase 3 development of OLN324, a retinal disease therapy targeting wet AMD and DME. Global Phase 3 trials are planned for late 2026. cbinsights.com
- Apr 2026pressARCH-backed Paradigm Health announced a partnership with the FDA to provide a technology platform for real-time clinical trial monitoring. archventure.com
- Feb 2026investmentSyndex Bio unveiled its mcPCR technology at AGBT 2026 following a $15.5M Seed financing round backed by ARCH Venture Partners. life-sciences-europe.com
- Jan 2026investmentVizgen raised $48M to advance spatial biology and multiomics tools, with ARCH Venture Partners participating alongside Northpond Ventures and M Ventures. tracxn.com
- Jan 2026pressBob Nelsen appeared live at JPM 2026 in a sit-down with Novo Nordisk's CEO, representing ARCH Venture Partners. cbinsights.com
- Jun 2026investmentARCH's latest portfolio exit was Kardigan, which exited on June 18, 2026. cbinsights.com
- Jun 2026investmentARCH invested in City Therapeutics as part of a Series B round on June 8, 2026. cbinsights.com
- May 2026investmentCREATE Medicines announced a $122 million Series B to advance an in vivo CAR pipeline in autoimmune disease and oncology, with ARCH listed among investors. crunchbase.com
- Apr 2026investmentMoleculent raised a funding round from ARCH Venture Partners and two other investors. crunchbase.com
Notable investments
- KardiganIPOJun 2026archventure.com
- Parabilis MedicinesIPOJun 2026archventure.com
- SonoTheraSeries BJun 2026archventure.com
- Ollin BiosciencesSeries BJun 2026cbinsights.com
- Syndex BioSeedFeb 2026life-sciences-europe.com
- VizgenSeries BJan 2026tracxn.com
- Parabilis MedicinesSeries AJan 2026tracxn.com
- Aspen NeuroscienceSeries CDec 2025tracxn.com
- City TherapeuticsSeries BJun 2026cbinsights.com
- CREATE MedicinesSeries BMay 2026crunchbase.com
- MoleculentSeries AApr 2026crunchbase.com
- Project PrometheusApr 2026crunchbase.com
Key people
Named individuals at the firm. We don't expose direct email or phone — use their LinkedIn for outreach.
- Robert Taylor Nelsen · Managing Director
- Paul Berns · Partner
- Robert Nelsen · Co-founder & Managing Director
- Steven Lazarus · Co-founder
- Keith Crandell · Managing Director
- Kristina Burow · Managing Director
Sources
- ARCH Venture Partners — Investment Thesis & Preferences
- ARCH Venture Partners Portfolio Investments, Funds & Exits — CB Insights
- ARCH Venture Partners — Overview, News & Similar Companies
- Arch Venture Partners — Wikipedia
- Home — ARCH Venture Partners
- https://tracxn.com/d/venture-capital/archventurepartners/__ISlqyfPx5QVFCcExlfLApVSQeZW4VwvYzBvMjSG_Ouo
- https://www.crunchbase.com/organization/arch-venture-partners/signals_and_news
- https://www.crunchbase.com/organization/arch-venture-partners/investor_summary/overview_timeline
- https://www.archventure.com/news/category/portfolio-news/
- https://www.archventure.com/news/
- https://www.archventure.com/news/category/press-releases/
- https://www.archventure.com/news/category/arch-news/
- https://www.life-sciences-europe.com/organisation/arch-venture-partners-group-university-chicago-development-corporation-2001-12663.html
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Frequently asked
What is ARCH Venture Partners?+
ARCH Venture Partners is an early-stage biotech and deep-science VC founded in 1986, headquartered in Chicago with a secondary office in Seattle. The firm manages approximately $12 billion in AUM across 17 funds, most recently closing Fund XIII at $3 billion in September 2024.
Where is ARCH Venture Partners headquartered?+
ARCH Venture Partners is headquartered in Chicago, United States.
When was ARCH Venture Partners founded?+
ARCH Venture Partners was founded in 1986 by Steven Lazarus.
What sectors does ARCH Venture Partners invest in?+
ARCH Venture Partners focuses on biotech, healthcare, ai, hardware. They primarily invest in these sectors.
How do I prepare for a meeting with ARCH Venture Partners?+
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