Skip to main content
Caplight Logo









858 Therapeutics

858 Therapeutics

Private
San Diego, CaliforniaHealthcare & Life Scienceshttps://8five8tx.com/

Last Round

Series B

Sep 26, 2024

Total Funding Raised

$110M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

858 Therapeutics is a biotechnology company that develops small molecule therapeutics targeting novel oncology and immunology areas, including DNA damage response, innate immunity, and RNA modulation.

Sector

Healthcare & Life Sciences

Verticals

Biotechnology, Drug Discovery

Business Model

B2B

Customer Profile

Services & Consulting

AI Layer

Application

Keywords

biotechnologysmall molecule therapeuticsoncologyPARG inhibitordrug discoveryRNA modulationDNA damage responseclinical-stage biotechcancer researchvirtual screeningprecision medicinedrug pipelinebiotech startuptherapeutic development

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.

858 Therapeutics Comparables

Compare 858 Therapeutics with similar companies based on industry and business-model similarity.

858 Therapeutics comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
FoRx Therapeutics
88%
KSQ Therapeutics
87%
IDEAYA Biosciences, Inc.
81%

858 Therapeutics Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series BSep 26, 2024
Series ASep 21, 2021

858 Therapeutics Investors

Notable investors and investment history

858 Therapeutics investors
InvestorRounds
New Enterprise AssociatesSeries B, Series A
Cormorant Asset ManagementSeries A
Avidity PartnersSeries B
Logos CapitalSeries B, Series A
Versant VenturesSeries B, Series A
Alexandria Venture InvestmentsSeries B
Mirae Asset CapitalSeries B

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jul 25, 2026

    Monthly visitors grew 84% MoM, from 1.9K to 3.5K.

  • Jun 21, 2026

    Monthly visitors increased 35% MoM.

858 Therapeutics Filings

Explore SEC and related filing metadata, where available.

858 Therapeutics 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 858 Therapeutics's valuation, stock price, and market status.

Is 858 Therapeutics a public or private company?

858 Therapeutics is a private company.

What is the current stock price of 858 Therapeutics?

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

How much is 858 Therapeutics worth (valuation)?

Valuation information for 858 Therapeutics is not publicly available.

Can I buy 858 Therapeutics stock?

858 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 858 Therapeutics's last funding round?

858 Therapeutics's most recent funding round was Series B on September 26, 2024.

Who are the main investors in 858 Therapeutics?

Key investors in 858 Therapeutics include Avidity Partners, Versant Ventures.

Will 858 Therapeutics IPO soon?

No public IPO plans have been announced for 858 Therapeutics.

How can I track 858 Therapeutics secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor 858 Therapeutics's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersSan Diego, California
Employee Range22
Year Founded2019
Last FundingSep 26, 2024

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?