Xaira Therapeutics

Biotech · South San Francisco, CA · Founded 2023 · Privately Held (backing)

Developer of life-changing medicines designed through the transformative power of artificial intelligence. Xaira Therapeutics is based in South San Francisco, CA and was founded in 2023. It was valued at $3.5 billion at its early-stage round in Aug 2025, the last priced event on record. It has raised $1.3 billion across 1 recorded round; the latest was a $1 billion Series A in Apr 2024.

PMV mark · valuation
$3.5B
Oct 2026
Priced at
its early-stage round
Aug 2025
Total raised
$1.3B
Last round
Series A
Apr 2024

Xaira Therapeutics key facts

as of Oct 2026
  • Developer of life-changing medicines designed through the transformative power of artificial intelligence.
  • Xaira Therapeutics is valued at approximately $3.5B as of Oct 2026, set at its early-stage round, Aug 2025; nothing has traded since, per PrivateMarketView’s mark.
  • It has raised $1.3B across 1 recorded rounds; the latest was Series A ($1.0B) in Apr 2024.
  • Notable investors include Sequoia Capital, Lightspeed Venture Partners, SV Angel, New Enterprise Associates, F-Prime Capital — 20 tracked in total.
  • Status: Privately Held (backing).
PrivateMarketView mark
LOW confidence
$3.5B

Valued at $3.5B at its early-stage round, Aug 2025. Nothing has traded since.

set by its last priced roundas of Oct 2026question about this number?
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Xaira Therapeutics funding rounds

1 rounds
Apr 2024Series A$1.0B▮

Xaira Therapeutics valuation

Xaira Therapeutics was valued at $3.5 billion at its early-stage round in Aug 2025. That is the last priced event on record: no secondary trade or institutional fund mark has moved the figure since.

How much has Xaira Therapeutics raised?

Xaira Therapeutics has raised $1.3 billion in total; 1 of its rounds is on record. The largest on record was a $1 billion Series A in Apr 2024.

Xaira Therapeutics investors

20 investors are on record for Xaira Therapeutics, including Sequoia Capital, Lightspeed Venture Partners, SV Angel and New Enterprise Associates. By type, the record holds 12 venture capital firms and 1 family office.

Comparable companies

Comparable biotech names by valuation on PrivateMarketView: InSilico Medicine Cayman (HKG: 03696) ($1.7 billion), Chai Discovery ($1.3 billion) and Merida Biosciences ($228 million).

About Xaira Therapeutics

Developer of life-changing medicines designed through the transformative power of artificial intelligence. The company develops computational methods and models, data sets, platforms, and processes to expand science's power to cure disease, enabling patients to leverage these approaches to create novel therapeutics.

Industry
Biotech
Sector
Healthcare
HQ
South San Francisco, CA, United States
Founded
2023
Employees
170
Website
xaira.com/
Ownership
Privately Held (backing)

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