Nautilus Biotechnology, Inc.
NAUT- Exchange
- Nasdaq
- Industry
- Laboratory Analytical Instruments
- SEC CIK
- 0001808805
No open-market purchases or sales by Nautilus Biotechnology, Inc. insiders were filed in the last 90 days; 93 institutions reported holding it in 13F filings for Q2 2026, worth $93.7M in total; no superinvestor holds it.
Q1 2026 vs. Q4 2025
How the institutions holding Nautilus Biotechnology, Inc. changed between Q4 2025 and Q1 2026.
All holders in Q1 2026All holders in Q4 2025
| Measure | Q4 2025 | Of which not filed for Q1 2026 | Q1 2026 | Change |
|---|---|---|---|---|
| Holders | 68 | 3 | 81 | +16 |
| Shares | 58.3M | 9.83M | 54.3M | +5.87M (+12.1%) |
| Value | $113.7M | $19.2M | $210.8M | +$116.3M (+123.1%) |
3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.
New holders (25)
Institutions that held Nautilus Biotechnology, Inc. at the end of Q1 2026 but not at the end of Q4 2025.
Sold out (9)
Institutions that held Nautilus Biotechnology, Inc. at the end of Q4 2025 and filed for Q1 2026 without it.
| Institution | Shares, Q4 2025 | Value, Q4 2025 |
|---|---|---|
| Alyeska Investment Group, L.P. | 253,468 | $494.3K |
| Susquehanna International Group, LLP | 42,916 | $83.7K |
| Lighthouse Investment Partners, LLC | 40,200 | $78.4K |
| XTX Topco Ltd | 33,608 | $65.5K |
| Virtu Financial LLC | 23,532 | $46.0K |
| Two Sigma Securities, LLC | 16,239 | $31.7K |
| Squarepoint Ops LLC | 11,316 | $22.1K |
| Group One Trading, L.P. | 3,880 | $7.57K |
| Tower Research Capital LLC (TRC) | 5 | $10 |
Not filed for Q1 2026 yet (3)
Institutions that held Nautilus Biotechnology, Inc. at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q4 2025 | Value, Q4 2025 |
|---|---|---|
| Madrona Venture Group, LLC | 6,020,770 | $11.7M |
| Vanguard Group Inc | 2,598,223 | $5.07M |
| Clarius Group, LLC | 1,209,646 | $2.36M |