Form
SCHEDULE 13G/A
Passive or exempt beneficial ownership filing.
Syncona Portfolio Ltd - 31 Mar 2025 SCHEDULE 13G/A Report for Autolus Therapeutics plc Ordinary Shares, nominal value $0.000042 per share, and American Depositary Shares ("ADS"). Each ADS represents one Ordinary Share. (AUTL)
- Filing manager
- Syncona Portfolio Ltd
- Reporting owner
- Syncona Portfolio Limited
- Beneficially owned shares
- 28,821,053 shares
- Class ownership
- 11%
- Large-stake signal
-
Ownership
11%Beneficial ownership of this reported class.
Shares
28,821,053 sharesShares beneficially owned as disclosed.
Event date
31 Mar 2025Date tied to the ownership event or amendment.
Accepted by SEC
07 May 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.
- Symbol
- AUTL
- Shares outstanding
- 266,861,602 shares
- SEC form
- SCHEDULE 13G/A
- Accepted by SEC
- 07 May 2025, 09:00:03 UTC
- Event date
- 31 Mar 2025
- Source filing
- View source filing
Ownership signal
CIK-linked ownership evidence from parsed SEC filings.
1 signal
Subject security
Names, identifiers, and filing context for this profile.
3 source fields
Source evidence
Original filing metadata and source links for verification.
4 source fields
Key filing fact
Syncona Portfolio Ltd disclosed 11% ownership in Autolus Therapeutics plc Ordinary Shares, nominal value $0.000042 per share, and American Depositary Shares ("ADS"). Each ADS represents one Ordinary Share. (AUTL) on 31 Mar 2025.
Key facts
- Syncona Portfolio Ltd filed SCHEDULE 13G/A for Autolus Therapeutics plc Ordinary Shares, nominal value $0.000042 per share, and American Depositary Shares ("ADS"). Each ADS represents one Ordinary Share. (AUTL).
- Disclosed ownership: 11%.
- Date of event: 31 Mar 2025.
Change
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 07 May 2025, 09:00.
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 (7)
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 |
|---|---|---|---|---|---|---|---|
| Syncona Portfolio Limited | 11% | 28,821,053 | 0 | 28,821,053 | /s/ Nicholas Moss | Nicholas Moss, Director | |
| Syncona Holdings Limited | 11% | 28,821,053 | 0 | 28,821,053 | /s/ Nicholas Moss | Nicholas Moss, Director | |
| Syncona Investment Management Limited | 11% | 28,821,053 | 0 | 28,821,053 | /s/ Christopher Hollowood | Christopher Hollowood | |
| Syncona Limited | 11% | 28,821,053 | 0 | 28,821,053 | /s/ Robert Hutchinson | Robert Hutchinson | |
| Roel Bulthuis | 11% | 28,821,053 | 0 | 28,821,053 | /s/ Roel Bulthuis | Roel Bulthuis | |
| Christopher Hollowood | 11% | 28,821,053 | 0 | 28,821,053 | /s/ Christopher Hollowood | Christopher Hollowood | |
| Kenneth Galbraith | 11% | 28,821,053 | 0 | 28,821,053 | /s/ Kenneth Galbraith | Kenneth Galbraith |
CIK / CUSIP context first