# Polyseq

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/polyseq

- Industry: Biotechnology
- Headquarters: Beijing, China
- Website: www.polyseq.com
- Total disclosed funding: $14M
- Latest round: Series A (Nov 10, 2025)
- Investors on record: 8

## About

Established in 2021 and based in Beijing, China, Polyseq Biotech Co.,Ltd., trading as Polyseq, is a medical and health company focusing on the research and development of nanopore gene sequencing technology. It has partnerships with GHIC, IDG Capital, Tsinghua Innovation Ventures, etc. 
The company's main business is the research, development, and production of nanopore gene sequencing technology. Based on self-developed nanopore sequencing chemistry and analysis of various novel membrane protein nanopore atomic structures, combined with technologies such as nucleic acid chemistry, protein engineering, artificial membrane construction and characterization, semiconductor integrated circuit chip design, deep learning, and genomics, the firm has developed nucleic acid and other biopolymer sequencing instruments and supporting reagent consumables.
The company’s revenue streams are derived from the sale of sequencing instruments, biochips, reagents, and sequencing services for research and clinical applications.

## Funding rounds

- Series A, Nov 10, 2025 — Bank of China Group Investment, CAS Venture Capital
- Series A, May 12, 2023, $14M — IDG Capital, Shangshi Fund, Sanmei Capital, Tsinghua Innovation Ventures, Wondfo
- Angel, Jan 7, 2022 — IDG Capital, Tsinghua Innovation Ventures, Global Healthcare Innovation Center

## Investors

- IDG Capital (https://capitalatlas.ai/funds/idg-capital) — Angel, Series A
- Tsinghua Innovation Ventures (https://capitalatlas.ai/funds/tsinghua-innovation-ventures) — Angel, Series A
- Global Healthcare Innovation Center — Angel
- Shangshi Fund (https://capitalatlas.ai/funds/shangshi-fund) — Series A
- Sanmei Capital (https://capitalatlas.ai/funds/sanmei-capital) — Series A
- Wondfo — Series A
- Bank of China Group Investment — Series A
- CAS Venture Capital (https://capitalatlas.ai/funds/cas-venture-capital) — Series A