Pumpkinseed
PrivateLast Round
Series A
May 5, 2026
Total Funding Raised
$36.4M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
Pumpkinseed operates in Healthcare & Life Sciences and is based in Palo Alto, California. Its latest recorded funding round was a Series A round in May 2026.
Pumpkinseed is a biotechnology company that provides a nanophotonic chip platform for de novo protein sequencing.
Sector
Healthcare & Life Sciences
Verticals
Biotechnology, Drug Discovery, Precision Medicine, Biotech Equipment
Business Model
B2B
Customer Profile
Government Contracts, Services & Consulting, Hardware + Subscription, Data as a Service
AI Layer
Application
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Pumpkinseed Comparables
Compare Pumpkinseed with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Glyphic Biotechnologies | 86% | |
| Erisyon | 84% | |
| Primary Bioscience | 84% |
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Pumpkinseed Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series A | May 5, 2026 | ||||
| Grant | Dec 10, 2025 | ||||
| Seed | Sep 25, 2025 | ||||
| Grant | Aug 14, 2025 | ||||
| Grant | Jun 1, 2025 | ||||
Grant | Sep 22, 2023 |
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Pumpkinseed Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| National Cancer Institute | Grant |
| NFX | Series A, Seed |
| Future Ventures | Seed, Series A |
| ADVentures | Series A |
| Stanford University | Series A |
| Gaingels | Series A |
| Public Health Emergency Medical Countermeasures Enterprise | Grant |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Sep 13, 2026
Monthly visitors increased 53% MoM.
- May 5, 2026
$20M round led by Future Ventures and NFX.
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Pumpkinseed 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 Pumpkinseed's valuation, stock price, and market status.
Is Pumpkinseed a public or private company?
Pumpkinseed is a private company.
What is the current stock price of Pumpkinseed?
Pumpkinseed is a private company, so its shares have no public market price. Caplight tracks Pumpkinseed's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Pumpkinseed worth (valuation)?
Valuation information for Pumpkinseed is not publicly available.
Can I buy Pumpkinseed stock?
Pumpkinseed shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Pumpkinseed's last funding round?
Pumpkinseed's most recent funding round was Series A on May 5, 2026.
Who are the main investors in Pumpkinseed?
Key investors in Pumpkinseed include NFX, Future Ventures.
Will Pumpkinseed IPO soon?
No public IPO plans have been announced for Pumpkinseed.
How can I track Pumpkinseed secondary market activity?
Caplight tracks bids, offers, and trades in Pumpkinseed's shares on secondary markets.