Skip to main content
Caplight Logo









Sonoma Biotherapeutics

Sonoma Biotherapeutics

Private
South San Francisco, CaliforniaHealthcare & Life Scienceshttps://sonomabio.com/

Last Round

Strategic

Mar 28, 2023

Total Funding Raised

$365M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

Sonoma Biotherapeutics is a biotechnology company that develops engineered regulatory T cell (Treg) therapies to treat serious autoimmune and inflammatory diseases.

Sector

Healthcare & Life Sciences

Verticals

Biotechnology, Drug Discovery, Clinical Trials

Business Model

B2B

Customer Profile

Services & Consulting, Data as a Service

AI Layer

Non-AI

Keywords

Treg therapyregulatory T cell therapycell therapyTregautoimmune disease treatmentautologous cell therapyrheumatoid arthritisclinical-stage biotechbiopharmaceuticalimmune homeostasisbiotech startupcell engineeringclinical trials

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Unlock Pricing Charts

Sign up to view complete historical pricing and secondary transactions.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

View Momentum History

Track how buyer interest and sentiment changes over time.

Sonoma Biotherapeutics Comparables

Compare Sonoma Biotherapeutics with similar companies based on industry and business-model similarity.

Sonoma Biotherapeutics comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
GentiBio
86%
Quell Therapeutics
84%
Tr1X
84%

Sonoma Biotherapeutics Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
StrategicMar 28, 2023
Series BAug 4, 2021
Series A ExtensionSep 30, 2020
Series AFeb 6, 2020

Key People

Founding team and executive leadership

Stephen Dilly

CEO at Sonoma BioTherapeutics and Board Chair at Codexis

Executive Team

Rajesh Krishnan

CTO

Executive Team

Sonoma Biotherapeutics Investors

Notable investors and investment history

Sonoma Biotherapeutics investors
InvestorRounds
Janus Henderson GroupSeries B
Frazier Healthcare PartnersSeries B
Vertex Ventures HCSeries B
GVSeries B
Mirae AssetSeries B
Octagon Capital AdvisorsSeries B, Series A Extension
Ally Bridge GroupSeries B

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 20, 2026

    Monthly visitors grew 32% MoM, reaching 7.5K.

  • Jul 29, 2026

    Monthly visitors increased 58% MoM, reaching 5.7K.

Sonoma Biotherapeutics Filings

Explore SEC and related filing metadata, where available.

Sonoma Biotherapeutics filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

Filing documents are not displayed on this public page. Request access to learn about available coverage.

Request access

Frequently Asked Questions

Common questions about Sonoma Biotherapeutics's valuation, stock price, and market status.

Is Sonoma Biotherapeutics a public or private company?

Sonoma Biotherapeutics is a private company.

What is the current stock price of Sonoma Biotherapeutics?

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

How much is Sonoma Biotherapeutics worth (valuation)?

Valuation information for Sonoma Biotherapeutics is not publicly available.

Can I buy Sonoma Biotherapeutics stock?

Sonoma Biotherapeutics 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 Sonoma Biotherapeutics's last funding round?

Sonoma Biotherapeutics's most recent funding round was Strategic on March 28, 2023.

Who are the main investors in Sonoma Biotherapeutics?

Key investors in Sonoma Biotherapeutics include Ally Bridge Group, Lifeforce Capital, ARCH Venture Partners.

Will Sonoma Biotherapeutics IPO soon?

No public IPO plans have been announced for Sonoma Biotherapeutics.

How can I track Sonoma Biotherapeutics secondary market activity?

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

Firmographic Details

HeadquartersSouth San Francisco, California
Employee Range67
Year Founded2019
Last FundingMar 28, 2023

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Requires verified institutional or accredited status.

See something wrong or outdated?