Form
SCHEDULE 13G/A
Passive or exempt beneficial ownership filing.
ATHOS KG - 31 Mar 2026 SCHEDULE 13G/A Report for BioNTech SE Ordinary Shares, no par value per share (EUR1.00 nominal amount) (including Ordinary Shares represented by American Depositary Shares) (BNTX)
- Class ownership
- 40%
- Large-stake signal
-
Ownership
40%Beneficial ownership of this reported class.
Shares
101,702,378 sharesShares beneficially owned as disclosed.
Event date
31 Mar 2026Date tied to the ownership event or amendment.
Accepted by SEC
14 May 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.
- Symbol
- BNTX
- Shares outstanding
- 252,990,990 shares
- Form type
- SCHEDULE 13G/A
- Accepted by SEC
- 14 May 2026, 17:22:22 UTC
- Event date
- 31 Mar 2026
- SEC filing
- View on sec.gov
Ownership signal
2 signals
Subject security
2 source fields
Source evidence
4 source fields
Key filing fact
ATHOS KG disclosed 40% ownership in BioNTech SE Ordinary Shares, no par value per share (EUR1.00 nominal amount) (including Ordinary Shares represented by American Depositary Shares) (BNTX) on 31 Mar 2026.
Key facts
- ATHOS KG filed SCHEDULE 13G/A for BioNTech SE Ordinary Shares, no par value per share (EUR1.00 nominal amount) (including Ordinary Shares represented by American Depositary Shares) (BNTX).
- Disclosed ownership: 40%.
- Date of event: 31 Mar 2026.
Change
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 14 May 2026, 17:22.
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
See Original 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 |
|---|---|---|---|---|---|---|---|
| ATHOS KG | 40% | 101,702,378 | 0 | 101,702,378 | /s/ Thomas Maier | Thomas Maier (Authorized Signatory) | |
| AT Impf GmbH | 40% | 101,702,378 | 0 | 101,702,378 | /s/ Thomas Maier | Thomas Maier (Authorized Signatory) | |
| Thomas Maier | 40% | 101,702,378 | 0 | 101,702,378 | /s/ Thomas Maier | Thomas Maier |
CIK / CUSIP context first