Nautilus Biotechnology, Inc.
A maker of life-sciences tools that study the human proteome — the vast collection of proteins in the body — by counting individual protein molecules one at a time, a field called proteomics. Its commercial instrument, the Voyager platform, is designed to give researchers a far more complete picture of proteins than older methods, opening doors for drug discovery and diagnostics. Founded in 2016 by Sujal Patel, the entrepreneur behind the storage company Isilon Systems, and Stanford scientist Parag Mallick, the firm borrowed its name from Jules Verne's Nautilus submarine — a nod to its mission of exploring hidden "treasures" deep within biology.
| Holder | Schedule | % of class | Shares | Filed |
|---|---|---|---|---|
| Perceptive Advisors LLC | 13D/AActivist | 9.1% | 11.63M | Aug 14, 2026 |
| Joseph Edelman | 13D/AActivist | 9.1% | 11.63M | Aug 14, 2026 |
| Perceptive Life Sciences Master Fund, Ltd. | 13D/AActivist | 9.1% | 11.47M | Aug 14, 2026 |
| C2 Life Sciences LLC | 13D/AActivist | 0.1% | 165.9K | Aug 14, 2026 |
| Marc L. Andreessen | 13D/AActivist | 7.1% | 9.06M | Jun 30, 2026 |
| Benjamin A. Horowitz | 13D/AActivist | 7.1% | 9.06M | Jun 30, 2026 |
| AH Bio Fund II, L.P. | 13D/AActivist | 6.6% | 8.37M | Jun 30, 2026 |
| AH Equity Partners Bio II, L.L.C. | 13D/AActivist | 6.6% | 8.37M | Jun 30, 2026 |
| Andreessen Horowitz LSV Fund II, L.P. | 13D/AActivist | 0.5% | 696.1K | Jun 30, 2026 |
| AH Equity Partners LSV II, L.L.C. | 13D/AActivist | 0.5% | 696.1K | Jun 30, 2026 |