# Xaira Therapeutics

Xaira Therapeutics is a US biotechnology company

Xaira Therapeutics was jointly incubated by ARCH Venture Partners, one of the largest biotechnology investors, and Foresite Labs. In addition…

Canonical: https://uniquebase.ai/companies/xaira-therapeutics
Stable identifier: UB-C1956
Snapshot captured: 2026-10-15T14:23:27.067Z
English updated: 2026-10-15T21:14:18.124Z

## Funding

Listed 2 records.
Latest: $800M (Series A), 2025-08-15.

- 2025-08-15 · $800M · Series A · ARCH Venture Partners, F-Prime, Foresite Capital, Lightspeed Venture Partners, Lux Capital, NEA, Sequoia Capital · https://files.pitchbook.com/website/files/pdf/Q3_2025_AI_VC_Trends_Preview.pdf
  > On 2025-8-15, according to PitchBook, Xaira Therapeutics completed a USD 800 million Series A financing at a USD 3.55 billion valuation (translated source brief)
- 2024-04-23 · $1B · Series A · ARCH Venture Partners, F-Prime, Foresite Capital, Lightspeed Venture Partners, Lux Capital, Menlo Ventures, NEA, Parker Institute for Cancer Immunotherapy, R-Squared Ventures, Sequoia Capital, SV Angel, Two Sigma Ventures, 拜耳

## Valuation

Listed 2 records.
Latest: $3.55B (post-money) (Series A), 2025-08-15.

- 2025-08-15 · $3.55B (post-money) · Series A · ARCH Venture Partners, F-Prime, Foresite Capital, Lightspeed Venture Partners, Lux Capital, NEA, Sequoia Capital · https://files.pitchbook.com/website/files/pdf/Q3_2025_AI_VC_Trends_Preview.pdf
  > On 2025-8-15, according to PitchBook, Xaira Therapeutics completed a USD 800 million Series A financing at a USD 3.55 billion valuation (translated source brief)
- 2024-04-23 · amount unavailable · Series A · ARCH Venture Partners, F-Prime, Foresite Capital, Lightspeed Venture Partners, Lux Capital, Menlo Ventures, NEA, Parker Institute for Cancer Immunotherapy, R-Squared Ventures, Sequoia Capital, SV Angel, Two Sigma Ventures, 拜耳

## Revenue

No revenue records are listed yet.


## Team

- [Marc Tessier-Lavigne](/people/marc-tessier-lavigne)

## Products

- [Xaira](/products/xaira)

## Investors

- [ARCH Venture Partners](/institutions/arch-venture-partners)
- [F-Prime](/institutions/f-prime)
- [Foresite Capital](/institutions/foresite-capital)
- [Lightspeed Venture Partners](/institutions/lightspeed-venture-partners)
- [Lux Capital](/institutions/lux-capital)
- [Menlo Ventures](/institutions/menlo-ventures)
- [NEA](/institutions/nea)
- [Parker Institute for Cancer Immunotherapy](/institutions/parker-institute-for-cancer-immunotherapy)
- [R-Squared Ventures](/institutions/r-squared-ventures)
- [Sequoia Capital](/institutions/sequoia-capital)
- [SV Angel](/institutions/sv-angel)
- [Two Sigma Ventures](/institutions/two-sigma-ventures)
- [拜耳](/institutions/baier)

## Sources

- No source links are available for this profile.