Nautilus Biotechnology Ownership & Insider Activity

Nautilus Biotechnology (NAUT) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 24.8% of shares outstanding. Institutional investors hold 9.4%.

Shares Outstanding

127.255M

Shares Float

62.629M

Insider Shares Owned

31.579M

Insider % Owned

24.8%

Institutional Shares Held

11.919M

Institutional % Held

9.4%

Ownership Breakdown

Net Insider Activity by Month

Nautilus Biotechnology Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Jun 2, 2026	AH Equity Partners Bio II LLC, Andreessen Horowitz LSV Fund II LP, AH Bio Fund II LP, AH Equity Partners LSV II LLC, Marc Andreessen, BENJAMIN HOROWITZ	10% OWNER	SELL	5.000M	$2.35	$11.8M