RA Capital Management

RA Capital Management is an investment firm.

Active

Updated: Mar 14, 2026 ·

About

RA Capital Management is an investment firm founded in 2004 and based in Boston, Massachusetts. It operates as a multi-stage investment manager, providing capital and strategic support to companies across various development phases. The firm's core mission centers on evidence-based investing and active company formation.

Financial History

Total Raised

N/A

Valuation

N/A

Investments Made

Date	Company	Round	Lead Investor(s)	Co-Investor(s)
Feb 10, 2026	ILiAD Biotechnologies	$115.0M Series D	RA Capital Management	AI Life Sciences Investments LLC, BNP Paribas Asset Management, Janus Henderson Investors
Feb 5, 2026	Angitia Biopharmaceuticals	$130.0M Series D	Frazier Life Sciences, Venrock Healthcare Capital Partners	3H Health Investment, Ascenta Capital, Bain Capital Life Sciences, Biotechnology Value Fund, BlackRock, Elikon Venture, Hillhouse Investment, Janus Henderson Investors, Legend Capital, Logos Capital, Morningside, OrbiMed, TF Capital, Wellington Management, Yonghua Capital
Feb 4, 2026	Apeiron labs	$9.5M Series A	DYNE Ventures., RA Capital Management, S2G Investments	Assembly Ventures, Bay Bridge Ventures, TFX Capital
Feb 3, 2026	Avalanche Energy	$29.0M Venture Round	RA Capital Management	8090 Industries, Congruent Ventures, Founders Fund, Lowercarbon Capital, Overlay Capital, Toyota Ventures

Financial History

Total Raised

N/A

Valuation

N/A

Deep Dive

Historically, RA Capital Management has specialized in the healthcare and life science sectors. This focus encompasses a wide range of areas within drug development and biotechnology, where the firm aims to identify and support promising innovations. Its investment philosophy is rooted in rigorous analysis and a deep understanding of scientific and clinical evidence.

Beyond traditional capital deployment, RA Capital Management is actively involved in company formation. This involves working closely with entrepreneurs and scientific teams to build new ventures from the ground up, leveraging its expertise to guide strategic development and operational execution.

More recently, RA Capital Management has broadened its investment mandate to include climate and sustainability technologies. This expansion reflects a growing interest in addressing environmental challenges through technological innovation, applying its investment principles to a new, impactful sector.

Through its multi-stage investment approach and commitment to evidence-based decision-making, RA Capital Management seeks to foster the growth of companies that can deliver significant advancements in healthcare, life sciences, and increasingly, in climate and sustainability.

Sources

Frequently Asked Questions

Does RA Capital Management invest in areas outside of healthcare and life sciences?

Yes, in addition to its primary focus on healthcare and life sciences, RA Capital Management has a growing interest in climate and sustainability technologies.

Frequently Asked Questions

Does RA Capital Management invest in areas outside of healthcare and life sciences?

Yes, in addition to its primary focus on healthcare and life sciences, RA Capital Management has a growing interest in climate and sustainability technologies.