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Sidewinder Therapeutics

Sidewinder Therapeutics

Private
San Diego, CaliforniaHealthcare & Life Scienceshttps://sidewinderbio.com/

Last Round

Series B

Apr 8, 2026

Total Funding Raised

$187M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

Sidewinder Therapeutics is a biopharmaceutical company that develops next-generation bispecific antibody-drug conjugates (ADCs) for the treatment of cancer.

Sector

Healthcare & Life Sciences

Verticals

Biotechnology, Drug Discovery, Precision Medicine, Clinical Trials

Business Model

B2B

Customer Profile

Revenue Share

AI Layer

Non-AI

Keywords

bispecific antibody-drug conjugatesbispecific ADCsantibody-drug conjugatesADCsbispecific antibodiesnext-generation ADCsoncology therapeuticssolid tumor therapyprecision oncologymolecular engineeringdrug developmentpreclinical biopharmadrug discoverybiotech startuppharma partnershipslinker-payload technology

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Caplight Momentum Score

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Sidewinder Therapeutics Comparables

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Sidewinder Therapeutics comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Neok Bio
86%
MBrace Therapeutics
85%
Adcentrx Therapeutics
82%

Sidewinder Therapeutics Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series BApr 8, 2026
Series AOct 25, 2023

Key People

Founding team and executive leadership

Robert McRae

President & Chief Operating Officer, Chief Operating Officer

Executive Team

Sidewinder Therapeutics Investors

Notable investors and investment history

Sidewinder Therapeutics investors
InvestorRounds
DCVC BioSeries B
Life Sciences at Goldman Sachs AlternativesSeries B
OrbiMedSeries B, Series A
Frazier Life SciencesSeries B
Alexandria Venture InvestmentsSeries B
Astellas Venture ManagementSeries B
Goldman Sachs AlternativesSeries B

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 22, 2026

    Monthly visitors increased 52% MoM.

  • May 18, 2026

    Monthly visitors increased 189% MoM, reaching 3.1K.

Recent news

Latest coverage and updates

  • receives_financingSep 14, 2026

    Sidewinder Therapeutics, Inc. received financing of $162M in funding on Jul 1st '23.

Sidewinder Therapeutics Filings

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Sidewinder Therapeutics filings preview — column headings only; records require access
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Frequently Asked Questions

Common questions about Sidewinder Therapeutics's valuation, stock price, and market status.

Is Sidewinder Therapeutics a public or private company?

Sidewinder Therapeutics is a private company.

What is the current stock price of Sidewinder Therapeutics?

Sidewinder Therapeutics is a private company with no public stock price. No recent secondary market data is available.

How much is Sidewinder Therapeutics worth (valuation)?

Valuation information for Sidewinder Therapeutics is not publicly available.

Can I buy Sidewinder Therapeutics stock?

Sidewinder Therapeutics shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was Sidewinder Therapeutics's last funding round?

Sidewinder Therapeutics's most recent funding round was Series B on April 8, 2026.

Who are the main investors in Sidewinder Therapeutics?

Key investors in Sidewinder Therapeutics include OrbiMed, Frazier Life Sciences.

Will Sidewinder Therapeutics IPO soon?

No public IPO plans have been announced for Sidewinder Therapeutics.

How can I track Sidewinder Therapeutics secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Sidewinder Therapeutics's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersSan Diego, California
Employee Range8
Year Founded2023
Last FundingApr 8, 2026

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