# Nautilus Biotechnology

> Nautilus Biotechnology is developing single-molecule proteomics; went public via SPAC merger in 2021 (NASDAQ: NAUT).

## Why it is interesting

Sujal Patel (Isilon founder) and Stanford’s Parag Mallick aim to quantify the proteome at single-molecule resolution — a16z led Series A and joined the board.

## Profile

- **Stage:** public
- **Status:** public
- **Industries:** generalist-tech
- **Coverage:** full
- **Last updated:** 2026-07-24

## Key facts

- Series A/B: a16z led Series A per a16z announcement
- SPAC (Jun 2021): Listed NASDAQ: NAUT; ~$345M gross proceeds (company IR)
- Co-investors: no additional institutional investors disclosed in public sources reviewed 2026-07-24

## Investors in our directory

- https://venturecapitaltracker.com/fund/andreessen-horowitz

## Related articles

- https://venturecapitaltracker.com/2026-a16z-hot-portfolio-companies

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Source: https://venturecapitaltracker.com/startup/nautilus-biotechnology