Accipiter Biosciences
PrivateLast Round
Seed Extension
Jul 31, 2026
Total Funding Raised
$24.65M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
Accipiter Biosciences operates in Healthcare & Life Sciences and is based in Seattle, Washington. Its latest recorded funding round was a Seed Extension round in July 2026.
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, Precision Medicine, Medical AI
Business Model
B2B
Customer Profile
Revenue Share, Services & Consulting
AI Layer
Application
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Accipiter Biosciences Comparables
Compare Accipiter Biosciences with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Archon Biosciences | 87% | |
| AI Proteins | 85% | |
| Ability Biotherapeutics | 83% |
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Accipiter Biosciences Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Seed Extension | Jul 31, 2026 | ||||
| Seed | Nov 6, 2025 | ||||
| Pre Seed | May 2, 2023 | ||||
| Seed | Mar 27, 2023 |
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Key People
Founding team and executive leadership
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Accipiter Biosciences Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Argonautic Ventures | Seed |
| Pack Ventures | Seed Extension, Seed |
| Washington Research Foundation Capital | Seed Extension, Seed |
| Alexandria Venture Investments | Seed Extension, Seed |
| Cercano Management | Seed |
| Argonautic Ventures | Seed |
| Flying Fish Partners | Seed Extension, Seed |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 21, 2026
Monthly visitors grew 196% MoM.
- Jul 31, 2026
$10.5M raised in Seed Round.
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Recent news
Latest coverage and updates
- partners_withOct 23, 2026
Following its emergence from stealth mode in 2025, Accipiter Bio secures a strategic partnership with Kite Pharma, Inc..
- attends_eventOct 23, 2026
Accipiter Bio is recognized with the 2026 Entrepreneurial Achievement Award at the 2026 Life Sciences Leadership Gala on Oct 22nd '26.
- receives_awardOct 23, 2026
Accipiter Bio and its co-founders Matthew Bick, PhD, Javier Castellanos, PhD, Hector Rincon, PhD, and William Canestaro, PhD, receive the 2026 Entrepreneurial Achievement Award from Life Science Washington at the 2026 Life Sciences Leadership Gala on Oct 22nd '26.
- is_developingAug 10, 2026
Accipiter Bio continues to develop its lead oncology program as $10.5 million in additional funding supports team growth and expansion of its pipeline to three or four clinical-stage drug candidates, with an increased focus on immunology, in Washington on Aug 10th '26.
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Accipiter Biosciences Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
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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, so its shares have no public market price. Caplight tracks Accipiter Biosciences's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
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.
When was Accipiter Biosciences's last funding round?
Accipiter Biosciences's most recent funding round was Seed Extension on July 31, 2026.
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 in Accipiter Biosciences's shares on secondary markets.