Skip to main content
Caplight Logo









Accipiter Biosciences

Accipiter Biosciences

Private
Seattle, WashingtonHealthcare & Life Scienceshttps://accipiterbio.com/

Last Round

Seed

Jul 28, 2026

Total Funding Raised

$26.85M

Momentum

Top 1%

of companies Caplight tracks

Company Overview

Accipiter Biosciences is a biotechnology company that develops de novo multifunctional biologics to treat complex diseases using its computational platform.

Sector

Healthcare & Life Sciences

Verticals

Biotechnology, Drug Discovery, Medical AI, Precision Medicine

Business Model

B2B

Customer Profile

Revenue Share, Services & Consulting

AI Layer

Application

Keywords

de novo protein designcomputational drug discoverybiologic therapeuticsprotein engineeringai drug discoveryin silico drug designmultifunctional biologicsoncology therapeuticsimmunology drug developmentbiotech r&ddrug discovery platformprecision medicineprotein therapeuticspharma partnershipai biotech

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.

Accipiter Biosciences Comparables

Compare Accipiter Biosciences with similar companies based on industry and business-model similarity.

Accipiter Biosciences comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Archon Biosciences
87%
AI Proteins
85%
Ability Biotherapeutics
83%

Accipiter Biosciences Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
SeedJul 28, 2026
SeedNov 6, 2025
SeedNov 6, 2025
Pre SeedMay 2, 2023
SeedMar 27, 2023

Key People

Founding team and executive leadership

Javier Castellanos

Chief Technology Officer and Co-founder

Founding Team

Matthew Bick

CEO and co-founder

Founding Team

Accipiter Biosciences Investors

Notable investors and investment history

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 21, 2026

    Monthly visitors grew 196% MoM.

  • Jul 28, 2026

    $10.5M raised in Seed Round.

Recent news

Latest coverage and updates

  • is_developingAug 10, 2026

    Accipiter Bio is developing lead oncology program on Aug 10th '26.

  • receives_financingAug 4, 2026

    Accipiter Bio received financing of $10.5M in Seed on Aug 4th '26.

  • receives_financingAug 2, 2026

    Accipiter Bio received financing of $10.5M in Series A on Mar 1st '26.

  • receives_financingAug 1, 2026

    Accipiter Bio received financing of $10.5M in Seed 1 on Jan 1st '24.

  • partners_withJul 31, 2026

    Accipiter Bio partners with Pfizer Inc.

Accipiter Biosciences Filings

Explore SEC and related filing metadata, where available.

Accipiter Biosciences 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 Accipiter Biosciences's valuation, stock price, and market status.

Is Accipiter Biosciences a public or private company?

Accipiter Biosciences is a private company.

What is the current stock price of Accipiter Biosciences?

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

How much is Accipiter Biosciences worth (valuation)?

Valuation information for Accipiter Biosciences is not publicly available.

Can I buy Accipiter Biosciences stock?

Accipiter Biosciences 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 Accipiter Biosciences's last funding round?

Accipiter Biosciences's most recent funding round was Seed on November 6, 2025.

Who are the main investors in Accipiter Biosciences?

Key investors in Accipiter Biosciences include Flying Fish Partners.

Will Accipiter Biosciences IPO soon?

No public IPO plans have been announced for Accipiter Biosciences.

How can I track Accipiter Biosciences secondary market activity?

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

Firmographic Details

HeadquartersSeattle, Washington
Employee Range23
Year Founded2023
Last FundingJul 28, 2026

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?