Pumpkinseed
PrivateLast Round
Series A
May 5, 2026
Total Funding Raised
$36.4M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
Pumpkinseed is a biotechnology company that provides a nanophotonic chip platform for de novo protein sequencing.
Sector
Healthcare & Life Sciences
Verticals
Biotechnology, Drug Discovery, Biotech Equipment, Precision Medicine, Medical AI
Business Model
B2B
Customer Profile
Government Contracts, Services & Consulting, Hardware + Subscription, Data as a Service
AI Layer
Application
Keywords
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 | 84% | |
| Erisyon | 84% | |
| Primary Bioscience | 84% | |
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 |
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 |
| Public Health Emergency Medical Countermeasures Enterprise | Grant |
| Base4 Capital | Series A |
Market signals
Structured signals derived from secondary market and firmographic data.
- May 5, 2026
$20M round led by Future Ventures and NFX.
- Sep 25, 2025
$12M round led by NFX
Pumpkinseed Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Pumpkinseed's valuation, stock price, and market status.