Latest Period
Q2 2026
CUSIP: 46489V302
Latest Period
Q2 2026
Institutions Reporting
129
Shares (Excl. Options)
86,979,604
Price
$3.41
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Latest holder context comes from 129 institutions filings for Q2 2026.
Security key
46489V302
Latest holder period
Q2 2026
13F holders
129
13D/G owners
10
CIK / CUSIP context first
Broader feeds
Open recent reporting periods for CUSIP 46489V302:
13D/G owners
Large-stake holder rows connected to Schedule 13D/G evidence.
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Commodore Capital LP | 9.9% | $29,968,780 | 11,939,753 | Commodore Capital LP | 02 Feb 2026 | |||
| TCG Crossover GP II, LLC | 6.9% | $21,767,809 | 7,915,567 | Chen Yu | 03 Feb 2026 | |||
| BlackRock, Inc. | 6.8% | +44% | $26,519,365 | +$8,612,218 | 7,776,940 | +48% | BlackRock, Inc. | 30 Jun 2026 |
| Qatar Investment Authority | 6.2% | $19,451,597 | 7,073,308 | Qatar Investment Authority | 04 Feb 2026 | |||
| MILLENNIUM MANAGEMENT LLC | 5.5% | +4% | $21,413,088 | +$947,661 | 6,316,545 | +4.6% | Millennium Management LLC | 07 Aug 2026 |
| STATE STREET CORP | 5.3% | $20,515,504 | 6,051,771 | STATE STREET CORPORATION | 30 Jun 2026 | |||
| Avidity Partners Management LP | 5.3% | +28% | $29,523,995 | +$15,659,798 | 6,049,999 | +113% | Avidity Partners Management LP | 20 Feb 2026 |
| MORGAN STANLEY | 2.6% | -57% | $13,080,088 | -$6,641,479 | 2,959,296 | -34% | Morgan Stanley | 31 Mar 2026 |
| FMR LLC | 0.4% | -98% | $824,113 | -$15,183,078 | 312,164 | -95% | FMR LLC | 28 Nov 2025 |
| JANUS HENDERSON GROUP PLC | 0% | $43,349 | 17,839 | JANUS HENDERSON GROUP PLC | 31 Dec 2024 |
As of 30 Jun 2026, 129 institutional investors reported holding 86,979,604 shares of Perspective Therapeutics, Inc. - Common Stock, par value $0.001 per share (CATX). This represents 76% of the company’s total 114,846,273 outstanding shares.
13F concentration
Largest 13F positions for this security by reported shares and value.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 8.3% | 9,494,152 | +78% | 0% | $32,375,059 |
| TCG Crossover Management, LLC | 6.9% | 7,915,567 | 0% | 0.65% | $26,992,083 |
| Commodore Capital LP | 5.5% | 6,336,782 | 0% | 1.3% | $21,608,427 |
| Avidity Partners Management LP | 5.5% | 6,299,999 | +4.1% | 3.4% | $21,482,997 |
| STATE STREET CORP | 5.3% | 6,051,771 | +93% | 0% | $20,636,539 |
| MILLENNIUM MANAGEMENT LLC | 4.3% | 4,911,855 | +21% | 0.01% | $16,749,426 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.9% | 4,436,572 | +1.3% | 0% | $15,128,711 |
| Affinity Asset Advisors, LLC | 3.7% | 4,214,582 | +33% | 0.7% | $14,371,725 |
| CITADEL ADVISORS LLC | 3.3% | 3,805,739 | +6.7% | 0.01% | $12,977,570 |
| Spruce Street Capital LP | 3.2% | 3,693,931 | +41% | 2.5% | $12,596,305 |
| Balyasny Asset Management L.P. | 2.9% | 3,320,224 | +11% | 0.02% | $11,321,964 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.1% | 2,458,673 | +39% | 0% | $8,386,027 |
| Nantahala Capital Management, LLC | 2% | 2,325,450 | 0.48% | $7,929,785 | |
| MORGAN STANLEY | 1.7% | 1,912,550 | -36% | 0% | $6,521,797 |
| GOLDMAN SACHS GROUP INC | 1.5% | 1,733,078 | +40% | 0% | $5,909,796 |
| Nicholson Wealth Management Group, LLC | 1.4% | 1,619,993 | +0.06% | 3.3% | $5,524,176 |
| TWO SIGMA INVESTMENTS, LP | 1.4% | 1,556,451 | +55% | 0% | $5,307,498 |
| ADAR1 Capital Management, LLC | 1.1% | 1,210,117 | +61% | 0.2% | $4,126,499 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 0.95% | 1,087,767 | +45% | 0% | $3,709,285 |
| DIMENSIONAL FUND ADVISORS LP | 0.94% | 1,074,071 | +139% | 0% | $3,663,590 |
| Yu Fan | 0.92% | 1,055,409 | 0% | 3.3% | $3,598,945 |
| Hills Bank & Trust Co | 0.76% | 872,200 | 0% | 0.13% | $2,974,202 |
| NORTHERN TRUST CORP | 0.69% | 791,774 | +50% | 0% | $2,699,949 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.67% | 773,262 | +17% | 0% | $2,636,823 |
| Ally Bridge Group (NY) LLC | 0.65% | 743,958 | -20% | 3.3% | $2,536,897 |
Quarter history
Holder count, reported shares/value, and median price by quarter.
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 86,979,604 | $296,705,819 | +$22,285,275 | $3.41 | 129 |
| 2026 Q1 | 78,563,691 | $327,483,394 | +$156,403,502 | $4.17 | 136 |
| 2025 Q4 | 35,179,307 | $96,743,275 | -$20,013,129 | $2.75 | 114 |
| 2025 Q3 | 42,524,179 | $145,860,657 | +$1,461,871 | $3.43 | 103 |
| 2025 Q2 | 42,232,957 | $145,284,060 | +$679,387 | $3.44 | 95 |
| 2025 Q1 | 44,107,303 | $93,948,628 | -$10,507,953 | $2.13 | 109 |
| 2024 Q4 | 47,101,393 | $150,249,113 | -$74,925,753 | $3.19 | 133 |
| 2024 Q3 | 49,033,906 | $653,981,361 | +$116,633,428 | $13.35 | 124 |
| 2024 Q2 | 38,531,736 | $384,149,816 | +$383,863,185 | $9.97 | 102 |