Quick Takeaways
- JANUS HENDERSON GROUP PLC filed SCHEDULE 13G for PROMIS NEUROSCIENCES INC. Common Shares (PMN).
- Disclosed ownership: 14%.
- Date of event: 31 Mar 2026.
JANUS HENDERSON GROUP PLC - 31 Mar 2026 SCHEDULE 13G Report for PROMIS NEUROSCIENCES INC. Common Shares (PMN)
- Filing Manager
- JANUS HENDERSON GROUP PLC
- Reporting Manager
- JANUS HENDERSON GROUP PLC
- Symbol
- PMN
- Shares outstanding
- 8,977,479 shares
- Disclosed Ownership
- 1,292,757 shares
- Ownership
- 14%
- Form type
- SCHEDULE 13G
- Filing time
- 07 Apr 2026, 16:27:01 UTC
- Date of event
- 31 Mar 2026
- SEC
- View on sec.gov
Quoteable Key Fact
"JANUS HENDERSON GROUP PLC disclosed 14% ownership in PROMIS NEUROSCIENCES INC. Common Shares (PMN) on 31 Mar 2026."
What Changed
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 07 Apr 2026, 16:27.
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 | 14% | 1,292,757 | 0 | 1,292,757 | Kristin Mariani | Head of North America Compliance |