NAUT — Nautilus Biotechnology, Inc.
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2020-08-07.
Performance
Technicals
Others in Healthcare
Measured signals that fired on NAUT
| date | signal | measured base rate |
|---|---|---|
| 2026-07-09 | Short volume far above its own normal short | -0.76% over 21 days · t = -2.79 · n = 5,897 statistically distinguishable from its control group |
| 2026-06-04 | Cluster sale: three or more insiders insider | -0.36% over 21 days · t = -3.35 · n = 21,529 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-06-02 | Andreessen Horowitz LSV Fund II, L.P. 10% owner | Open-market sale | 4.6M | 2.35 | 10.8M |
| 2026-06-02 | Andreessen Marc L 10% owner | Open-market sale | 4.6M | 2.35 | 10.8M |
| 2026-06-02 | AH Equity Partners LSV II, L.L.C. 10% owner | Open-market sale | 4.6M | 2.35 | 10.8M |
| 2026-06-02 | AH Bio Fund II, L.P. 10% owner | Open-market sale | 4.6M | 2.35 | 10.8M |
| 2026-06-02 | HOROWITZ BENJAMIN A 10% owner | Open-market sale | 4.6M | 2.35 | 10.8M |
| 2026-06-02 | AH Equity Partners Bio II, L.L.C. 10% owner | Open-market sale | 4.6M | 2.35 | 10.8M |
| 2026-06-02 | AH Bio Fund II, L.P. 10% owner | Open-market sale | 384.0K | 2.35 | 902.5K |
| 2026-06-02 | Andreessen Horowitz LSV Fund II, L.P. 10% owner | Open-market sale | 384.0K | 2.35 | 902.5K |
| 2026-06-02 | AH Equity Partners Bio II, L.L.C. 10% owner | Open-market sale | 384.0K | 2.35 | 902.5K |
| 2026-06-02 | HOROWITZ BENJAMIN A 10% owner | Open-market sale | 384.0K | 2.35 | 902.5K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| a16z Capital Management, L.L.C. | 68.5M | 17.7M |
| PERCEPTIVE ADVISORS LLC | 48.9M | 12.6M |
| Cercano Management LLC | 27.8M | 7.2M |
| VANGUARD CAPITAL MANAGEMENT LLC | 9.9M | 2.5M |
| Clearstead Advisors, LLC | 9.0M | 2.3M |
| Comprehensive Financial Management LLC | 8.6M | 2.2M |
| AMAZON COM INC | 5.7M | 1.5M |
| MILLENNIUM MANAGEMENT LLC | 4.9M | 1.3M |
| Tikvah Management LLC | 2.8M | 726.9K |
| GEODE CAPITAL MANAGEMENT, LLC | 2.3M | 603.5K |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Latest SEC filings
| form | filed | period | |
|---|---|---|---|
| SCHEDULE 13D/A | 2026-08-14 | — | on EDGAR ↗ |
| 10-Q | 2026-07-28 | 2026-06-30 | on EDGAR ↗ |
| 8-K | 2026-07-28 | 2026-07-28 | on EDGAR ↗ |
| SCHEDULE 13D/A | 2026-06-30 | — | on EDGAR ↗ |
| 4 | 2026-06-22 | 2026-06-18 | on EDGAR ↗ |
| 4 | 2026-06-22 | 2026-06-18 | on EDGAR ↗ |
| 4 | 2026-06-22 | 2026-06-18 | on EDGAR ↗ |
| 4 | 2026-06-22 | 2026-06-18 | on EDGAR ↗ |
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
Recent headlines
- Amazon Sold Holding In Nautilus Biotechnology · 2026-08-06 · benzinga
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