PERSPECTIVE THERAPEUTICS INC (CATX) Institutional Shareholders
PERSPECTIVE THERAPEUTICS INC (CATX) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $297.15M in CATX holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of CATX tracked by InsiderSet, reporting ownership valued at approximately $32.38M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $27.34M, representing an estimated loss of -15.54% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 66% of the total disclosed CATX value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Tcg Crossover Management, Llc, Commodore Capital Lp, and several other long-term asset managers with concentrated positions in PERSPECTIVE THERAPEUTICS INC (CATX).
This page ranks the largest institutional CATX shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
126
Total Reported Value
$297.15M
Largest Holder
Blackrock, Inc.
Largest Position
$32.38M
Insider Transactions (90d)
7
Latest Filing Quarter
Q2 2026
New Institutional Positions
142
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 9,494,152 | $32,375,059 | $27,343,158 | -$5,031,901 | -15.54% | |
| Tcg Crossover Management, Llc | 0.65% | 7,915,567 | $26,992,083 | $22,796,833 | -$4,195,250 | -15.54% | |
| Commodore Capital Lp | 1.29% | 6,336,782 | $21,608,427 | $18,249,932 | -$3,358,495 | -15.54% | |
| Avidity Partners Management Lp | 3.44% | 6,299,999 | $21,482,997 | $18,143,997 | -$3,339,000 | -15.54% | |
| State Street Corp | 0.00% | 6,051,771 | $20,636,539 | $17,429,100 | -$3,207,439 | -15.54% | |
| Millennium Management Llc | 0.01% | 4,911,855 | $16,749,426 | $14,146,142 | -$2,603,284 | -15.54% | |
| Vanguard Capital Management Llc | 0.00% | 4,436,572 | $15,128,711 | $12,777,327 | -$2,351,384 | -15.54% | |
| Affinity Asset Advisors, Llc | 0.70% | 4,214,582 | $14,371,725 | $12,137,996 | -$2,233,729 | -15.54% | |
| Citadel Advisors Llc | 0.01% | 3,805,739 | $12,977,570 | $10,960,528 | -$2,017,042 | -15.54% | |
| Spruce Street Capital Lp | 2.47% | 3,693,931 | $12,596,305 | $10,638,521 | -$1,957,784 | -15.54% | |
| Balyasny Asset Management L.P. | 0.02% | 3,320,224 | $11,321,964 | $9,562,245 | -$1,759,719 | -15.54% | |
| Geode Capital Management, Llc | 0.00% | 2,458,673 | $8,386,027 | $7,080,978 | -$1,305,049 | -15.56% | |
| Nantahala Capital Management, Llc | 0.48% | 2,325,450 | $7,929,785 | $6,697,296 | -$1,232,489 | -15.54% | |
| Morgan Stanley | 0.00% | 1,912,550 | $6,521,797 | $5,508,144 | -$1,013,653 | -15.54% | |
| Goldman Sachs Group Inc | 0.00% | 1,733,078 | $5,909,796 | $4,991,265 | -$918,531 | -15.54% | |
| Nicholson Wealth Management Group, Llc | 3.27% | 1,619,993 | $5,524,176 | $4,665,580 | -$858,596 | -15.54% | |
| Two Sigma Investments, Lp | 0.00% | 1,556,451 | $5,307,498 | $4,482,579 | -$824,919 | -15.54% | |
| Adar1 Capital Management, Llc | 0.19% | 1,210,117 | $4,126,499 | $3,485,137 | -$641,362 | -15.54% | |
| Vanguard Portfolio Management Llc | 0.00% | 1,087,767 | $3,709,285 | $3,132,769 | -$576,516 | -15.54% | |
| Dimensional Fund Advisors Lp | 0.00% | 1,074,071 | $3,663,590 | $3,093,324 | -$570,266 | -15.57% | |
| Hills Bank & Trust Co | 0.18% | 872,200 | $3,637,074 | $2,511,936 | -$1,125,138 | -30.94% | |
| Yu Fan | 3.33% | 1,055,409 | $3,598,945 | $3,039,578 | -$559,367 | -15.54% | |
| Northern Trust Corp | 0.00% | 791,774 | $2,699,949 | $2,280,309 | -$419,640 | -15.54% | |
| Charles Schwab Investment Management Inc | 0.00% | 773,262 | $2,636,823 | $2,226,995 | -$409,828 | -15.54% | |
| Ally Bridge Group (Ny) Llc | 3.27% | 743,958 | $2,536,897 | $2,142,599 | -$394,298 | -15.54% | |
| Vanguard Fiduciary Trust Co | 0.00% | 589,003 | $2,008,500 | $1,696,329 | -$312,171 | -15.54% | |
| Bank Of America Corp | 0.00% | 465,454 | $1,587,198 | $1,340,508 | -$246,690 | -15.54% | |
| Ubs Group Ag | 0.00% | 444,917 | $1,517,167 | $1,281,361 | -$235,806 | -15.54% | |
| Wealthplan Investment Management, Llc | 0.07% | 404,071 | $1,377,882 | $1,163,724 | -$214,158 | -15.54% | |
| Voya Investment Management Llc | 0.00% | 337,501 | $1,150,879 | $972,003 | -$178,876 | -15.54% | |
| Nuveen, Llc | 0.00% | 336,817 | $1,148,546 | $970,033 | -$178,513 | -15.54% | |
| Citigroup Inc | 0.00% | 334,917 | $1,142,067 | $964,561 | -$177,506 | -15.54% | |
| Seven Fleet Capital Management Lp | 0.19% | 332,613 | $1,134,210 | $957,925 | -$176,285 | -15.54% | |
| Fmr Llc | 0.00% | 327,253 | $1,115,933 | $942,489 | -$173,444 | -15.54% | |
| Bank Of New York Mellon Corp | 0.00% | 297,722 | $1,015,230 | $857,439 | -$157,791 | -15.54% | |
| Gsa Capital Partners Llp | 0.06% | 293,782 | $1,002,000 | $846,092 | -$155,908 | -15.56% | |
| Federated Hermes, Inc. | 0.00% | 217,023 | $740,048 | $625,026 | -$115,022 | -15.54% | |
| State Of Wisconsin Investment Board | 0.00% | 181,862 | $620,149 | $523,763 | -$96,386 | -15.54% | |
| Alliancebernstein L.P. | 0.00% | 120,030 | $500,525 | $345,686 | -$154,839 | -30.94% | |
| Rhumbline Advisers | 0.00% | 123,299 | $420,441 | $355,101 | -$65,340 | -15.54% | |
| American Century Companies Inc | 0.00% | 121,048 | $412,774 | $348,618 | -$64,156 | -15.54% | |
| Bnp Paribas Financial Markets | 0.00% | 120,889 | $412,231 | $348,160 | -$64,071 | -15.54% | |
| Rafferty Asset Management, Llc | 0.00% | 112,194 | $382,582 | $323,119 | -$59,463 | -15.54% | |
| Walleye Capital Llc | 0.00% | 110,656 | $377,337 | $318,689 | -$58,648 | -15.54% | |
| Deutsche Bank Ag\ | 0.00% | 100,757 | $343,581 | $290,180 | -$53,401 | -15.54% | |
| Trueblood Wealth Management, Llc | 0.12% | 99,740 | $340,113 | $287,251 | -$52,862 | -15.54% | |
| Wells Fargo & Company/Mn | 0.00% | 86,490 | $294,931 | $249,091 | -$45,840 | -15.54% | |
| Price T Rowe Associates Inc | 0.00% | 85,930 | $294,000 | $247,478 | -$46,522 | -15.82% | |
| Wellington Management Group Llp | 0.00% | 67,445 | $229,987 | $194,242 | -$35,745 | -15.54% | |
| Taylor & Morgan Wealth Management, Llc | 0.11% | 66,000 | $225,060 | $190,080 | -$34,980 | -15.54% |
Frequently asked questions about CATX
Who owns the most CATX stock?
The largest holders of CATX are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for PERSPECTIVE THERAPEUTICS INC (CATX).
Is CATX widely held by superinvestors?
Many widely followed stocks like CATX appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly CATX is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.