Quick Takeaways
- JANUS HENDERSON GROUP PLC filed SCHEDULE 13G for PTC THERAPEUTICS, INC. Common Stock (PTCT).
- Disclosed ownership: 6%.
- Date of event: 31 Dec 2025.
JANUS HENDERSON GROUP PLC - 31 Dec 2025 SCHEDULE 13G Report for PTC THERAPEUTICS, INC. Common Stock (PTCT)
- Filing Manager
- JANUS HENDERSON GROUP PLC
- Reporting Manager
- JANUS HENDERSON GROUP PLC
- Security
- PTC THERAPEUTICS, INC. Common Stock
- Symbol
- PTCT
- Shares outstanding
- 80,855,533 shares
- Disclosed Ownership
- 4,851,332 shares
- Ownership
- 6%
- Form type
- SCHEDULE 13G
- Filing time
- 17 Feb 2026, 12:42:54 UTC
- Date of event
- 31 Dec 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"JANUS HENDERSON GROUP PLC disclosed 6% ownership in PTC THERAPEUTICS, INC. Common Stock (PTCT) on 31 Dec 2025."
What Changed
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 17 Feb 2026, 12:42.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (1)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| JANUS HENDERSON GROUP PLC | 6% | 4,851,332 | 0 | 4,851,332 | Kristin Mariani | Head of North America Compliance |