Form
SCHEDULE 13D/A
Active or control-oriented beneficial ownership filing.
Blackstone Inc. - 06 Nov 2026 SCHEDULE 13D/A Report for Autolus Therapeutics plc American Depositary Shares, each representing one ordinary share, nominal value $0.000042 per share (AUTL)
- Filing manager
- Blackstone Inc.
- Reporting owner
- Blackstone Inc.
- Beneficially owned shares
- 20,485,611 shares
- Large-stake signal
-
Ownership
7.6%Beneficial ownership of this reported class.
Shares
20,485,611 sharesShares beneficially owned as disclosed.
Event date
06 Nov 2026Date tied to the ownership event or amendment.
Accepted by SEC
10 Nov 2026EDGAR 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
- 7.6%
- Symbol
- AUTL
- Shares outstanding
- 269,547,513 shares
- SEC form
- SCHEDULE 13D/A
- Accepted by SEC
- 10 Nov 2026, 16:30:02 UTC
- Event date
- 06 Nov 2026
- 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.
4 source fields
Filing notes and source
Key filing fact
Blackstone Inc. disclosed 7.6% ownership in Autolus Therapeutics plc American Depositary Shares, each representing one ordinary share, nominal value $0.000042 per share (AUTL) on 06 Nov 2026.
Key facts
- Blackstone Inc. filed SCHEDULE 13D/A for Autolus Therapeutics plc American Depositary Shares, each representing one ordinary share, nominal value $0.000042 per share (AUTL).
- Disclosed ownership: 7.6%.
- Date of event: 06 Nov 2026.
Change
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 10 Nov 2026, 16:30.
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 (8)
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 |
|---|---|---|---|---|---|---|---|
| BXLS V - Autobahn L.P. | 7.6% | 20,485,611 | 20,485,611 | 0 | By: /s/ Alicia Novak | Alicia Novak, Chief Compliance Officer of Blackstone Life Sciences Advisors L.L.C., on its behalf | |
| Blackstone Life Sciences Associates V (CYM) L.L.C. | 7.6% | 20,485,611 | 20,485,611 | 0 | By: /s/ Alicia Novak | Alicia Novak, Chief Compliance Officer of Blackstone Life Sciences Advisors L.L.C., on its behalf | |
| BXLS V L.L.C. | 7.6% | 20,485,611 | 20,485,611 | 0 | /s/ Alicia Novak | Alicia Novak, Authorized Signatory | |
| Blackstone Holdings II L.P. | 7.6% | 20,485,611 | 20,485,611 | 0 | By: /s/ Victoria Portnoy | Victoria Portnoy, Managing Director - Assistant Secretary of Blackstone Holdings I/II GP L.L.C., its general partner | |
| Blackstone Holdings I/II GP L.L.C. | 7.6% | 20,485,611 | 20,485,611 | 0 | By: /s/ Victoria Portnoy | Victoria Portnoy, Managing Director - Assistant Secretary | |
| Blackstone Inc. | 7.6% | 20,485,611 | 20,485,611 | 0 | By: /s/ Victoria Portnoy | Victoria Portnoy, Managing Director - Assistant Secretary | 0001393818 |
| Blackstone Group Management L.L.C. | 7.6% | 20,485,611 | 20,485,611 | 0 | By: /s/ Victoria Portnoy | Victoria Portnoy, Managing Director - Assistant Secretary | |
| Stephen A. Schwarzman | 7.6% | 20,485,611 | 20,485,611 | 0 | /s/ Stephen A. Schwarzman | Stephen A. Schwarzman |
CIK / CUSIP context first