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Pumpkinseed
Pumpkinseed enables light-speed reads of biological bits. We merge the power of silicon photonics and machine learning with state-of-the-art biochemistry for high-resolution protein sequencing.…
Pumpkinseed
Pumpkinseed enables light-speed reads of biological bits. We merge the power of silicon photonics and machine learning with state-of-the-art biochemistry for high-resolution protein sequencing.…
TL;DR
Location: Palo Alto, CA
Technology: deSIPHR nanophotonic chip platform using Raman spectroscopy for single-molecule, de novo protein sequencing
Latest funding: $20M Series A (announced May 5, 2026)
Founders: Jennifer (Jen) Dionne; Dr. Jack Hu; Dr. Nhat Vu
Employee count: 15
Company Overview
Problem Domain
Protein sequencing and proteomics — enabling de novo, single-molecule characterization of proteins (sequence, PTMs, structure, interactions) for applications in biopharma, biosecurity, and bio‑AI.
Founded
2021
Industry
Biotechnology
Tech Stack
Funding Track Record
$20M
Additional participation from Base4, ADVentures (Analog Devices CVC), and Stanford; reported committed near-term revenue from contracts with Genentech, DARPA, and BARDA in press release.
Investor Signal
“Backed by VCs including NFX and Future Ventures; participation from strategic and institutional investors (Base4, ADVentures, Stanford)”
