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Perspective Therapeutics, Inc.

CATX
Exchange
NYSE
Industry
Pharmaceutical Preparations
SEC CIK
0000728387

In the last 90 days, Perspective Therapeutics, Inc. insiders filed 0 open-market purchases and 5 sales; 131 institutions reported holding it in 13F filings for Q2 2026, worth $297.6M in total; no superinvestor holds it.

13F holders, Q1 2026

Institutional positions in Perspective Therapeutics, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
138
+24 vs. Q4 2025
Shares held
79.9M
+46.8M (+141.6%) vs. Q4 2025
Total value
$333.1M
+$237.8M (+249.3%) vs. Q4 2025
New holders
47
42 more added
Sold out
23
28 more reduced

3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting CATX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 138 institutions
Q1 2021: 57 institutionsQ2 2021: 48 institutionsQ3 2021: 43 institutionsQ4 2021: 45 institutionsQ1 2022: 39 institutionsQ2 2022: 43 institutionsQ3 2022: 35 institutionsQ4 2022: 48 institutionsQ1 2023: 42 institutionsQ2 2023: 50 institutionsQ3 2023: 49 institutionsQ4 2023: 52 institutionsQ1 2024: 104 institutionsQ2 2024: 105 institutionsQ3 2024: 127 institutionsQ4 2024: 135 institutionsQ1 2025: 112 institutionsQ2 2025: 98 institutionsQ3 2025: 105 institutionsQ4 2025: 117 institutionsQ1 2026: 138 institutionsQ2 2026: 131 institutions
Value heldQ1 2026: $333.1M
Q1 2021: $20.2MQ2 2021: $13.9MQ3 2021: $9.99MQ4 2021: $6.78MQ1 2022: $5.79MQ2 2022: $5.19MQ3 2022: $3.70MQ4 2022: $4.26MQ1 2023: $17.8MQ2 2023: $22.0MQ3 2023: $9.99MQ4 2023: $14.7MQ1 2024: $294.6MQ2 2024: $384.9MQ3 2024: $654.9MQ4 2024: $150.7MQ1 2025: $96.4MQ2 2025: $146.3MQ3 2025: $150.1MQ4 2025: $105.0MQ1 2026: $333.1MQ2 2026: $297.6M
Institutions holding CATX and their total value by quarter
QuarterHoldersValue
Q2 2026131$297.6M
Q1 2026138$333.1M
Q4 2025117$105.0M
Q3 2025105$150.1M
Q2 202598$146.3M
Q1 2025112$96.4M
Q4 2024135$150.7M
Q3 2024127$654.9M
Q2 2024105$384.9M
Q1 2024104$294.6M
Q4 202352$14.7M
Q3 202349$9.99M
Q2 202350$22.0M
Q1 202342$17.8M
Q4 202248$4.26M
Q3 202235$3.70M
Q2 202243$5.19M
Q1 202239$5.79M
Q4 202145$6.78M
Q3 202143$9.99M
Q2 202148$13.9M
Q1 202157$20.2M

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Perspective Therapeutics, Inc.; share changes are against Q4 2025.

Institutions holding CATX in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Federated Hermes, Inc.222,142$926.3K0.00%+8,383+3.9%Added
Invesco Ltd.231,355$964.8K0.00%+207,077+852.9%Added
Bank of America Corp241,924$1.01M0.00%−182,595−43.0%Reduced
Portland Investment Counsel Inc.250,000$1.04M0.33%00.0%Unchanged
FMR LLC313,658$1.31M0.00%+6,603+2.2%Added
Seven Fleet Capital Management LP379,082$1.58M0.50%+379,082New
WealthPlan Investment Management, LLC404,071$1.68M0.09%00.0%Unchanged
Dimensional Fund Advisors LP450,097$1.88M0.00%+358,540+391.6%Added
UBS Group AG520,905$2.17M0.00%−405,426−43.8%Reduced
Northern Trust Corp528,928$2.21M0.00%+89,714+20.4%Added
Vanguard Fiduciary Trust Co566,676$2.36M0.00%+566,676New
Charles Schwab Investment Management Inc661,318$2.76M0.00%+125,841+23.5%Added
ADAR1 Capital Management, LLC749,335$3.12M0.19%+654,142+687.2%Added
Vanguard Portfolio Management LLC752,033$3.14M0.00%+752,033New
Octagon Capital Advisors LP791,555$3.30M0.37%+791,555New
Hills Bank & Trust Co872,200$3.64M0.18%−66,000−7.0%Reduced
Nuveen, LLC910,221$3.80M0.00%−363,786−28.6%Reduced
Ally Bridge Group (NY) LLC926,557$3.86M3.84%+926,557New
Two Sigma Investments, LP1,003,474$4.18M0.00%−195,170−16.3%Reduced
Fan Yu1,055,409$4.40M4.54%+1,055,409New
Vestor Capital, LLC1,098,691$4.58M0.33%+1,098,189+218,762.7%Added
Goldman Sachs Group Inc1,241,816$5.18M0.00%+1,081,979+676.9%Added
Nicholson Wealth Management Group, LLC1,618,993$6.75M3.94%+1,000+0.1%Added
Patient Square Capital LP1,625,000$6.78M1.20%+492,185+43.4%Added
Geode Capital Management, LLC1,766,960$7.37M0.00%+352,438+24.9%Added
Spruce Street Capital LP2,627,107$11.0M2.63%+2,627,107New
Morgan Stanley2,983,342$12.4M0.00%−1,491,180−33.3%Reduced
Balyasny Asset Management LLC2,994,460$12.5M0.02%+2,994,460New
State Street Corp3,132,670$13.1M0.00%+1,991,423+174.5%Added
Affinity Asset Advisors, LLC3,164,582$13.2M0.77%+2,864,582+954.9%Added
Citadel Advisors LLC3,566,504$14.9M0.01%+3,296,013+1,218.5%Added
Millennium Management LLC4,046,640$16.9M0.01%+2,640,266+187.7%Added
Vanguard Capital Management LLC4,378,956$18.3M0.00%+4,378,956New
Opaleye Management Inc.4,675,000$19.5M2.57%+3,490,500+294.7%Added
BlackRock, Inc.5,348,561$22.3M0.00%+788,584+17.3%Added
Avidity Partners Management LP6,049,999$25.2M5.11%+2,839,266+88.4%Added
Commodore Capital LP6,336,782$26.4M1.53%+6,336,782New
TCG Crossover Management, LLC7,915,567$33.0M0.94%+7,915,567New
Two Sigma Advisers, LP0$00.00%−663,830−100.0%Sold out
Marshall Wace, LLP0$00.00%−406,732−100.0%Sold out
Renaissance Technologies LLC0$00.00%−352,493−100.0%Sold out
Sphera Funds Management Ltd.0$00.00%−349,973−100.0%Sold out
Walleye Capital LLC0$00.00%−328,667−100.0%Sold out
Point72 Asset Management, L.P.0$00.00%−314,180−100.0%Sold out
Jane Street Group, LLC0$00.00%−263,995−100.0%Sold out
XTX Topco Ltd0$00.00%−82,476−100.0%Sold out
Graham Capital Management, L.P.0$00.00%−80,193−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−62,370−100.0%Sold out
Massar Capital Management, LP0$00.00%−52,000−100.0%Sold out
DAFNA Capital Management LLC0$00.00%−50,000−100.0%Sold out
R Squared Ltd0$00.00%−15,991−100.0%Sold out
Engineers Gate Manager LP0$00.00%−12,562−100.0%Sold out
nVerses Capital, LLC0$00.00%−11,420−100.0%Sold out
ProShare Advisors LLC0$00.00%−10,889−100.0%Sold out
Raymond James Financial Inc0$00.00%−10,730−100.0%Sold out
Aigen Investment Management, LP0$00.00%−10,173−100.0%Sold out
Amalgamated Bank0$00.00%−1,872−100.0%Sold out
Basecamp Wealth Advisors LLC0$00.00%−202−100.0%Sold out
Northwestern Mutual Wealth Management Co0$00.00%−36−100.0%Sold out
SRS Capital Advisors, Inc.0$00.00%−15−100.0%Sold out
Root Financial Partners, LLC0$00.00%−3−100.0%Sold out
Vanguard Group Inc––––Not filed
Sherbrooke Park Advisers LLC––––Not filed
Global Retirement Partners, LLC––––Not filed