Quick Takeaways
- Avidity Partners Management LP filed SCHEDULE 13G for Perspective Therapeutics, Inc. Common Stock, $0.001 par value (CATX).
- Disclosed ownership: 5.3%.
- Date of event: 20 Feb 2026.
Avidity Partners Management LP - 20 Feb 2026 SCHEDULE 13G Report for Perspective Therapeutics, Inc. Common Stock, $0.001 par value (CATX)
- Filing Manager
- Avidity Partners Management LP
- Reporting Manager
- Avidity Partners Management LP
- Symbol
- CATX
- Shares outstanding
- 114,150,925 shares
- Disclosed Ownership
- 6,049,999 shares
- Ownership
- 5.3%
- Form type
- SCHEDULE 13G
- Filing time
- 10 Mar 2026, 20:36:50 UTC
- Date of event
- 20 Feb 2026
- Previous filing
- 14 Feb 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"Avidity Partners Management LP disclosed 5.3% ownership in Perspective Therapeutics, Inc. Common Stock, $0.001 par value (CATX) on 20 Feb 2026."
What Changed
- Previous schedule filing date: 14 Feb 2025.
- Current filing was accepted on 10 Mar 2026, 20:36.
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 | 5.3% | 6,049,999 | 0 | 6,049,999 | By: Avidity Partners Management (GP) LLC, its general partner, By: /s/ Michael Gregory | Michael Gregory, Managing Member | |
| Avidity Partners Management (GP) LLC | 5.3% | 6,049,999 | 0 | 6,049,999 | By: /s/ Michael Gregory | Michael Gregory, Managing Member | |
| Avidity Capital Partners Fund (GP) LP | 5.3% | 6,049,999 | 0 | 6,049,999 | By: Avidity Capital Partners (GP) LLC, its general partner, By: /s/ Michael Gregory | Michael Gregory, Managing Member | |
| Avidity Capital Partners (GP) LLC | 5.3% | 6,049,999 | 0 | 6,049,999 | By: /s/ Michael Gregory | Michael Gregory, Managing Member | |
| Avidity Private Master Fund I LP | 5.1% | 5,849,999 | 0 | 5,849,999 | 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 | 5.3% | 6,049,999 | 0 | 6,049,999 | By: /s/ Michael Gregory | Michael Gregory |