Quick Takeaways
- Avidity Partners Management LP filed SCHEDULE 13D/A for Dianthus Therapeutics, Inc. Common Stock, $0.001 par value (DNTH).
- Disclosed ownership: 4.9%.
- Date of event: 17 Nov 2025.
Avidity Partners Management LP - 17 Nov 2025 SCHEDULE 13D/A Report for Dianthus Therapeutics, Inc. Common Stock, $0.001 par value (DNTH)
- Filing Manager
- Avidity Partners Management LP
- Reporting Manager
- Avidity Partners Management LP
- Symbol
- DNTH
- Shares outstanding
- 42,942,531 shares
- Disclosed Ownership
- 2,104,184 shares
- Ownership
- 4.9%
- Form type
- SCHEDULE 13D/A
- Filing time
- 19 Nov 2025, 21:15:58 UTC
- Date of event
- 17 Nov 2025
- Previous filing
- 19 Mar 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"Avidity Partners Management LP disclosed 4.9% ownership in Dianthus Therapeutics, Inc. Common Stock, $0.001 par value (DNTH) on 17 Nov 2025."
What Changed
- Previous schedule filing date: 19 Mar 2025.
- Current filing was accepted on 19 Nov 2025, 21:15.
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 (6)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Avidity Partners Management LP | 4.9% | 2,104,184 | 0 | 2,104,184 | By: Avidity Partners Management (GP) LLC, its general partner, By: /s/ Michael Gregory | Michael Gregory / Managing Member | 0001791827 |
| Avidity Partners Management (GP) LLC | 4.9% | 2,104,184 | 0 | 2,104,184 | By: /s/ Michael Gregory | Michael Gregory / Managing Member | |
| Avidity Capital Partners Fund (GP) LP | 4.9% | 2,104,184 | 0 | 2,104,184 | By: Avidity Capital Partners (GP) LLC, its general partner, By: /s/ Michael Gregory | Michael Gregory / Managing Member | |
| Avidity Capital Partners (GP) LLC | 4.9% | 2,104,184 | 0 | 2,104,184 | By: /s/ Michael Gregory | Michael Gregory, Managing Member | |
| Avidity Private Master Fund I LP | 4.4% | 1,899,593 | 0 | 1,899,593 | By: Avidity Capital Partners Fund (GP) LP, its general partner, By: Avidity Capital Partners (GP) LLC, its general partner, By: /s/ Michael Gregory | Michael Gregory / Managing Member | |
| Michael Gregory | 4.9% | 2,104,184 | 0 | 2,104,184 | By: /s/ Michael Gregory | Michael Gregory |