Form
SCHEDULE 13D/A
Active or control-oriented beneficial ownership filing.
PERCEPTIVE ADVISORS LLC - 20 Jun 2025 SCHEDULE 13D/A Report for Nautilus Biotechnology, Inc. Common Stock, $0.0001 par value per share (NAUT)
- Filing manager
- PERCEPTIVE ADVISORS LLC
- Reporting owner
- Perceptive Advisors LLC
- Beneficially owned shares
- 12,815,113 shares
- Large-stake signal
-
Ownership
10%Beneficial ownership of this reported class.
Shares
12,815,113 sharesShares beneficially owned as disclosed.
Event date
20 Jun 2025Date tied to the ownership event or amendment.
Accepted by SEC
24 Jun 2025EDGAR acceptance date.
How to read this large-stake filing
- Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
- Compare this filing with the holder history and issuer page before treating the percentage as a current position.
- Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
- Class ownership
- 10%
- Symbol
- NAUT
- Shares outstanding
- 126,882,307 shares
- SEC form
- SCHEDULE 13D/A
- Accepted by SEC
- 24 Jun 2025, 16:42:31 UTC
- Event date
- 20 Jun 2025
- Prior SEC filing
- 31 Jan 2025
- Source filing
- View source filing
Ownership signal
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Subject security
Names, identifiers, and filing context for this profile.
2 source fields
Source evidence
Original filing metadata and source links for verification.
5 source fields
Key filing fact
PERCEPTIVE ADVISORS LLC disclosed 10% ownership in Nautilus Biotechnology, Inc. Common Stock, $0.0001 par value per share (NAUT) on 20 Jun 2025.
Key facts
- PERCEPTIVE ADVISORS LLC filed SCHEDULE 13D/A for Nautilus Biotechnology, Inc. Common Stock, $0.0001 par value per share (NAUT).
- Disclosed ownership: 10%.
- Date of event: 20 Jun 2025.
Change
- Previous schedule filing date: 31 Jan 2025.
- Current filing was accepted on 24 Jun 2025, 16:42.
Research use
- This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
- Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.
Evidence
Backed by Schedule 13D/13G
View source filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Disclosed reporting parties (3)
Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.
| Name | Ownership | Shares owned | Sole voting power | Shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Perceptive Advisors LLC | 10% | 12,815,113 | 0 | 12,815,113 | /s/ Joseph Edelman | Joseph Edelman, Managing Member | 0001224962 |
| Joseph Edelman | 10% | 12,815,113 | 0 | 12,815,113 | /s/ Joseph Edelman | Joseph Edelman | 0001164426 |
| Perceptive Life Sciences Master Fund, Ltd. | 10% | 12,649,253 | 0 | 12,649,253 | /s/ Joseph Edelman | By Perceptive Advisors LLC, by Joseph Edelman, Managing Member | 0001249675 |
CIK / CUSIP context first