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
Security
Perspective Therapeutics, Inc. Common Stock, $0.001 par value
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

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