Nautilus Biotechnolgy Inc. Common Stock. Replay the stock market charts of NAUT day by day, back to 2003. Open long and short positions without spending any money. Nautilus Biotechnology, Inc., a development stage life sciences company, engages in creating a platform technology for quantifying and unlocking the complexity of the proteome. It develops Nautilus Platform, a proteomics platform that includes end-to-end solution comprised of instruments, consumables, and software analysis. The company was founded in 2016 and is headquartered in Seattle, Washington.