DOSSIER · 13F Holders · Q1 2026
ISREUR

PERSPECTIVE THERAPEUTICS INC

2 institutions still hold PERSPECTIVE THERAPEUTICS INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 46489V104·2 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$5M
visible holders
Holders
2
filers reporting
Concentration
84.31%
VESTOR CAPITAL, LLC #1
top holder share
AI Holders Summary · Q1 2026

2 institutions reported ISREUR in Q1 2026. VESTOR CAPITAL, LLC leads at 84.3% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
VESTOR CAPITAL, LLC
CIK 0001132699
$5M1.1M0.33%Q1 2026
02
PORTLAND INVESTMENT COUNSEL INC.
CIK 0001081668
$853K250K0.24%Q2 2026