Security key
46489V302
Perspective Therapeutics, Inc. - Common Stock, par value $0.001 per share (CATX)
CUSIP: 46489V302
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / Common Stock, par value $0.001 per share
- Total 13F shares
- 78,563,691
- Total 13F value
- $327,483,394
- Share change
- +36,457,944
- Put/Call ratio
- 87%
- SEC-reported price per share
- $4.17
- Number of holders
- 136
- Value change
- +$156,403,502
- Number of buys
- 81
- Number of sells
- 51
- Shares outstanding
- 114,846,273
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2026
Institutions
136
Top holders
10
CATX full security history
Ownership snapshot
Full 13F holder table
Perspective Therapeutics, Inc. SEC filings
Perspective Therapeutics, Inc. company facts
Broader feeds
Ownership snapshot
Top reported holders of CATX - Perspective Therapeutics, Inc. - Common Stock, par value $0.001 per share (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
Commodore Capital LP
Disclosed value leader
Commodore Capital LP
Comparable rows
15/15
Latest evidence
31 Mar 2026
13D/G
13F
Lead comparable stake: 9.9%
13D/G row: Commodore Capital LP
Showing 1-6 of 15 holder rows.
Quick read
Commodore Capital LP leads the comparable SEC ownership view at 9.9%.
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 Commodore Capital LP's linked filing trail.
Comparable ownership
Top 5
Commodore Capital LP
9.9%
TCG Crossover GP II, LLC
6.9%
Qatar Investment Authority
6.2%
Avidity Partners Management LP
5.3%
MORGAN STANLEY
2.6%
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 |
|---|---|---|---|---|---|
| Commodore Capital LP |
13D/G
|
9.9%
|
$29,968,780
11,939,753 shares
|
$0 | 02 Feb 2026 |
| TCG Crossover GP II, LLC |
13D/G
Chen Yu
|
6.9%
|
$21,767,809
7,915,567 shares
|
$0 | 03 Feb 2026 |
| Qatar Investment Authority |
13D/G
|
6.2%
|
$19,451,597
7,073,308 shares
|
$0 | 04 Feb 2026 |
| Avidity Partners Management LP |
13D/G
13F
Company
|
5.3%
|
$29,523,995
6,049,999 shares
|
+$15,659,798 | 20 Feb 2026 |
| MORGAN STANLEY |
13D/G
13F
Company
|
2.6%
|
$13,080,088
2,959,296 shares
|
-$6,641,479 | 31 Mar 2026 |
| FMR LLC |
13F
13D/G
Company
|
0.4%
from 13D/G
|
$844,401
307,055 shares
|
— | 31 Dec 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 Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
136
Shares
78,563,691
Rows available
136
| 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 Q1 2026 vs Q1 2026 Across Filers
Q1 2026 holders
136
Q1 2026 holders
136
Holder diff
0
| Investor | Q1 2026 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q1 2026 value | Value change | Value Chg % |
|---|