Companies / Nautilus Biotechnology, Inc.
Nautilus Biotechnology, Inc.
Nasdaq: NAUTCIK 1808805SEATTLE, WA
Insider flow · last 90 daysNet sells $11.75M
Financials
Ownership
127.3M shares outstanding · as of Jul 24, 2026
Ownership
| 10%+ / strategic | 9.94% | 12,653,917 |
| Institutions | 48.50% | 61,717,798 |
| Public float | 41.56% | 52,883,508 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 15
View all →| Insider | % of shares | Shares |
|---|---|---|
AH Equity Partners Bio II, L.L.C.10% owner | 9.94% | 12,653,917 |
Sujal PatelCEOFormerCEO, President, and Secretary · Director · 10% owner | 8.15% | 10,366,721 |
AH Bio Fund II, L.P.10% owner | — | — |
AH Equity Partners LSV II, L.L.C.10% owner | — | — |
| — | — | |
Andreessen Marc L10% owner | — | — |
Horowitz Benjamin a10% owner | — | — |
McIlwain Matthew SFormerDirector | — | — |
Mowry AnnaFormerCFO and Treasurer | — | — |
Murphy Matthew B.FormerGeneral Counsel | — | — |
Institutional holders 74
View all →| Holder | Value | % of shares |
|---|---|---|
| $48.87M | 9.90% | |
| $34.43M | 13.87% | |
| $13.99M | 5.64% | |
| $5.65M | 1.14% | |
| $5.07M | 2.04% | |
| $5.03M | 2.11% | |
| $4.94M | 1.00% | |
| $4.30M | 1.73% | |
| $2.36M | 0.95% | |
| $2.34M | 0.47% |
Activity
Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q2 2026 as of | BlackRock, Inc. 13F manager | Add | Common Stock | $4.67M | +2.5M +1318.58% | 2,687,226 2.11% of shares | low |
| Q1 2026 as of | Millennium Management LLC 13F manager | Add | Common Stock | $983.1K | +253K +24.84% | 1,273,383 1.00% of shares | low |
| Q1 2026 as of | Marshall Wace, LLP 13F manager | Add | Common Stock | $787.0K | +203K +173.27% | 319,882 0.25% of shares | low |
| Q2 2026 as of | State Street Corporation 13F manager | Add | Common Stock | $669.9K | +358K +178.01% | 559,508 0.44% of shares | low |
| Q1 2026 as of | OMERS Administration Corporation 13F manager | Trim | Common Stock | $-311.5K | -80K -76.62% | 24,500 0.02% of shares | low |
| Q4 2023 as of | Barclays PLC 13F manager | Add | Common Stock | $180.6K | +60K +119.48% | 110,938 0.09% of shares | low |
| Q1 2026 as of | Geode Capital Management, LLC 13F manager | Add | Common Stock | $165.4K | +43K +7.60% | 603,524 0.47% of shares | low |
| Q1 2026 as of | Polen Capital Management LLC 13F manager | New | Common Stock | $156.5K | +40K | 40,345 0.03% of shares | low |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| NAUT | Common Stock | 63909J108 |