Sidewinder Therapeutics

San Diego, CA · Founded 2023 · Privately Held (backing)

Operator of a precision biologics development company intended to deliver new life-saving therapies for cancer and rare disease patients. Sidewinder Therapeutics is based in San Diego, CA and was founded in 2023. Its last reported valuation was $204 million in Mar 2026. It has raised $161 million.

Last reported valuation
$204.0M
Oct 2026
Priced at
—
Total raised
$161.0M
Last round
—

Sidewinder Therapeutics key facts

as of Oct 2026
  • Operator of a precision biologics development company intended to deliver new life-saving therapies for cancer and rare disease patients.
  • Sidewinder Therapeutics is valued at approximately $204.0M as of Oct 2026 (last reported valuation).
  • It has raised $161.0M; the latest was Early Stage VC ($137.0M) in Mar 2026.
  • Notable investors include Alexandria Venture Investments, OrbiMed, Goldman Sachs Asset Management, Samsara BioCapital, Frazier Healthcare Partners — 9 tracked in total.
  • Status: Privately Held (backing).
Last reported valuation
LOW confidence
$204.0M

Sidewinder Therapeutics's last reported valuation, Mar 2026. Nothing priced has surfaced since.

set by last reported valuationas of Oct 2026question about this number?
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Sidewinder Therapeutics funding rounds

No rounds on record

No funding rounds for Sidewinder Therapeutics are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.

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Sidewinder Therapeutics valuation

Sidewinder Therapeutics's last reported valuation was $204 million in Mar 2026. No priced round, secondary trade or fund mark has surfaced since.

Sidewinder Therapeutics investors

9 investors are on record for Sidewinder Therapeutics, including Alexandria Venture Investments, OrbiMed, Goldman Sachs Asset Management and Samsara BioCapital.

About Sidewinder Therapeutics

Operator of a precision biologics development company intended to deliver new life-saving therapies for cancer and rare disease patients. The company offers medicines that target specific molecular drivers of disease, enabling customers to access new life-saving therapies for cancer and rare diseases.

Sector
Healthcare
HQ
San Diego, CA, United States
Founded
2023
Employees
7
Ownership
Privately Held (backing)

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