Perspective Therapeutics, Inc. - Common Stock, $0.001 par value (CATX)

CUSIP: 46489V302

Q4 2025 13F Holders as of 31 Dec 2025

Holder snapshot 6 signals
Share change
-7,064,114
SEC-reported price per share
$2.75
Number of holders
114
Value change
-$20,013,129
Number of buys
53
Number of sells
45
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
114,405,130

Security key

46489V302

Report period

Q4 2025

Institutions

114

Top holders

10

Ownership snapshot

Top reported holders of CATX - Perspective Therapeutics, Inc. - Common Stock, $0.001 par value (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Lantheus Holdings, Inc.
Disclosed value leader
Lantheus Holdings, Inc.
Comparable rows
15/15
Latest evidence
30 Sep 2025
13D/G 13F Lead comparable stake: 10% 13D/G row: Lantheus Holdings, Inc. Showing 1-6 of 15 holder rows.

Quick read

Lantheus Holdings, Inc. leads the comparable SEC ownership view at 10%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Lantheus Holdings, Inc.'s linked filing trail.
Comparable ownership Top 5
Lantheus Holdings, Inc. 10%
FMR LLC 0.4%
Janus Henderson Group Ltd. 0.02%
BlackRock, Inc. 3.8%
VANGUARD GROUP INC 3%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Lantheus Holdings, Inc.
13D/G
10%
$35,465,590
11,440,513 shares
$0 15 May 2024
FMR LLC
13F 13D/G
Company
0.4%
from 13D/G
$34,337,267
10,010,865 shares
30 Sep 2025
Janus Henderson Group Ltd.
13D/G
JANUS HENDERSON GROUP PLC
0.02%
$43,349
17,839 shares
$0 31 Dec 2024
BlackRock, Inc.
13F
Company
13F
3.8%
$14,977,359
4,366,577 shares
30 Sep 2025
VANGUARD GROUP INC
13F
Company
13F
3%
$11,791,877
3,437,865 shares
30 Sep 2025
Avidity Partners Management LP
13F
Company
13F
2.6%
$10,269,533
2,994,033 shares
30 Sep 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
114
Shares
35,179,307
Rows available
114
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders
103
Q4 2025 holders
114
Holder diff
11
Investor Q3 2025 Shares Q4 2025 Shares Share Diff Share Chg % Q3 2025 value Q4 2025 value Value change Value Chg %
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