Quick Takeaways
- RTW INVESTMENTS, LP filed SCHEDULE 13G/A for MILESTONE PHARMACEUTICALS INC. Common Shares, no par value per share (MIST).
- Disclosed ownership: 9.9%.
- Date of event: 30 Sep 2025.
RTW INVESTMENTS, LP - 30 Sep 2025 SCHEDULE 13G/A Report for MILESTONE PHARMACEUTICALS INC. Common Shares, no par value per share (MIST)
- Filing Manager
- RTW INVESTMENTS, LP
- Reporting Manager
- RTW Investments, LP
- Symbol
- MIST
- Shares outstanding
- 92,476,444 shares
- Disclosed Ownership
- 9,155,168 shares
- Ownership
- 9.9%
- Form type
- SCHEDULE 13G/A
- Filing time
- 14 Nov 2025, 08:30:16 UTC
- Date of event
- 30 Sep 2025
- Previous filing
- 14 Feb 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"RTW INVESTMENTS, LP disclosed 9.9% ownership in MILESTONE PHARMACEUTICALS INC. Common Shares, no par value per share (MIST) on 30 Sep 2025."
What Changed
- Previous schedule filing date: 14 Feb 2025.
- Current filing was accepted on 14 Nov 2025, 08:30.
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 (2)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| RTW Investments, LP | 9.9% | 9,155,168 | 0 | 9,155,168 | /s/ Roderick Wong, M.D. | Roderick Wong, M.D., Managing Partner | |
| Roderick Wong | 9.9% | 9,155,168 | 0 | 9,155,168 | s/ Roderick Wong, M.D. | Roderick Wong, M.D. |