CATX · Perspective Therapeutics, Inc. · Holdings

$2.81 +0.04 (+1.44%) At close · Sep 11

Russell 2000 member Rebalance outlook locked

Market Cap

$320.77M

114.15M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →

Quarter:

Holders: 130

Total Value: $297,613,142

Total Shares: 87,276,604

Showing 1–100 of 131 holdings by value · page 1 of 2

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 130 13F filers · Δ vs Mar 31, 2026

Top Holder

10.9%

+1.0 pts

Top 5

41.4%

+3.5 pts

Top 10

65.5%

+4.7 pts

HHI

529

Broadly held+56

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -9

Institutional value: -11.0%

Shares held: +8.9%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega BlackRock, Inc.	+4,145,591	9,494,152
Mega STATE STREET CORP	+2,919,101	6,051,771
Small Spruce Street Capital LP	+1,066,824	3,693,931
Mid Affinity Asset Advisors, LLC	+1,050,000	4,214,582
Mega MILLENNIUM MANAGEMENT LLC	+865,215	4,911,855

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mega MORGAN STANLEY	−1,070,792	1,912,550
Mega Nuveen, LLC	−573,404	336,817
Small Ally Bridge Group (NY) LLC	−182,599	743,958
Mega Invesco Ltd.	−178,489	52,866
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP	−176,541	76,389

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mid Nantahala Capital Management, LLC	2,325,450	$7,929,784
Large Walleye Capital LLC	110,656	$377,336
Mid Jump Financial, LLC	61,200	$208,692
Large RENAISSANCE TECHNOLOGIES LLC	59,133	$201,643
Large Quadrature Capital Ltd	44,075	$150,295

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mid Opaleye Management Inc.	4,675,000	$19,494,750
Small Patient Square Capital LP	1,625,000	$6,776,250
Mid VESTOR CAPITAL, LLC	1,098,691	$4,581,541
Mid Octagon Capital Advisors LP	791,555	$3,300,784
Large Jefferies Financial Group Inc.	183,342	$764,536

Filter: New 23 Increased 61 Reduced 25 Sold out 32 Unchanged 21

Showing 100 of 131

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

BlackRock, Inc.

$32,375,053

10.88%

9,494,152

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BLACKROCK FINANCIAL MANAGEMENT INC/DE	338,794	$1,155,287	3.6%	Sole
BlackRock Asset Management Canada Ltd	433	$1,476	0.0%	Sole
BlackRock Investment Management, LLC	414,234	$1,412,537	4.4%	Sole
BLACKROCK ADVISORS LLC	373,893	$1,274,975	3.9%	Sole
BlackRock Fund Advisors	4,691,425	$15,997,759	49.4%	Sole
BlackRock Institutional Trust Company, N.A.	3,623,690	$12,356,782	38.2%	Sole
BlackRock Japan Co. Ltd	5,919	$20,183	0.1%	Sole
BlackRock Investment Management (UK) Ltd.	25,885	$88,267	0.3%	Sole
Aperio Group, LLC	19,879	$67,787	0.2%	Sole

TCG Crossover Management, LLC

$26,992,083

9.07%

7,915,567

Commodore Capital LP

$21,608,426

7.26%

6,336,782

Avidity Partners Management LP

$21,482,996

7.22%

6,299,999

STATE STREET CORP

$20,636,539

6.93%

6,051,771

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STATE STREET GLOBAL ADVISORS EUROPE LIMITED joint	6,051,771	$20,636,539	100.0%	Defined

MILLENNIUM MANAGEMENT LLC

$16,749,425

5.63%

4,911,855

VANGUARD CAPITAL MANAGEMENT LLC

$15,128,710

5.08%

4,436,572

Affinity Asset Advisors, LLC

$14,371,724

4.83%

4,214,582

CITADEL ADVISORS LLC

$12,977,569

4.36%

3,805,739

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	582,479	$1,986,253	15.3%	Defined
Held directly	3,223,260	$10,991,316	84.7%	Defined

Spruce Street Capital LP

$12,596,304

4.23%

3,693,931

Balyasny Asset Management L.P.

$11,321,963

3.80%

3,320,224

GEODE CAPITAL MANAGEMENT, LLC

$8,384,074

2.82%

2,458,673

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	349,366	$1,191,338	14.2%	Defined
Held directly	2,109,307	$7,192,736	85.8%	Defined

Nantahala Capital Management, LLC

$7,929,784

2.66%

2,325,450

MORGAN STANLEY

$6,521,792

2.19%

1,912,550

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO INTERNATIONAL PLC	58	$197	0.0%	Defined
MORGAN STANLEY & CO. LLC	1,729,570	$5,897,833	90.4%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	38,572	$131,530	2.0%	Defined
MORGAN STANLEY SMITH BARNEY LLC	113,050	$385,500	5.9%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	31,300	$106,732	1.6%	Defined

GOLDMAN SACHS GROUP INC

$5,909,795

1.99%

1,733,078

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	1,658,100	$5,654,121	95.7%	Defined
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	74,978	$255,674	4.3%	Defined

Nicholson Wealth Management Group, LLC

$5,524,176

1.86%

1,619,993

TWO SIGMA INVESTMENTS, LP

$5,307,497

1.78%

1,556,451

ADAR1 Capital Management, LLC

$4,126,498

1.39%

1,210,117

VANGUARD PORTFOLIO MANAGEMENT LLC

$3,709,285

1.25%

1,087,767

DIMENSIONAL FUND ADVISORS LP

$3,662,580

1.23%

1,074,071

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Dimensional Fund Advisors Ltd.	7,197	$24,541	0.7%	Defined
Dimensional Ireland Ltd	15,743	$53,683	1.5%	Defined
Held directly	1,051,131	$3,584,356	97.9%	Sole

Yu Fan

$3,598,944

1.21%

1,055,409

Hills Bank & Trust Co

$2,974,202

1.00%

872,200

NORTHERN TRUST CORP

$2,699,948

0.91%

791,774

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	775,579	$2,644,724	98.0%	Defined
DWS INVESTMENT MANAGEMENT AMERICAS, INC joint	16,195	$55,224	2.0%	Other

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

$2,636,823

0.89%

773,262

Ally Bridge Group (NY) LLC

$2,536,896

0.85%

743,958

VANGUARD FIDUCIARY TRUST CO

$2,008,500

0.67%

589,003

BANK OF AMERICA CORP /DE/

$1,587,196

0.53%

465,454

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	272,681	$929,842	58.6%	Defined
MERRILL LYNCH, PIERCE, FENNER & SMITH INC.	88,017	$300,137	18.9%	Defined
BOFA SECURITIES, INC.	104,756	$357,217	22.5%	Defined

UBS Group AG

$1,517,166

0.51%

444,917

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Financial Services Inc	5,300	$18,073	1.2%	Defined
UBS AG	380,658	$1,298,043	85.6%	Defined
UBS Switzerland AG	58,959	$201,050	13.3%	Defined

WealthPlan Investment Management, LLC

$1,377,882

0.46%

404,071

VOYA INVESTMENT MANAGEMENT LLC

$1,150,877

0.39%

337,501

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Voya Investment Management Co. LLC joint	337,501	$1,150,877	100.0%	Defined

Nuveen, LLC

$1,148,545

0.39%

336,817

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Nuveen Asset Management, LLC joint	5,801	$19,781	1.7%	Defined
TEACHERS ADVISORS, LLC joint	331,016	$1,128,764	98.3%	Defined

CITIGROUP INC

$1,142,066

0.38%

334,917

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	334,917	$1,142,066	100.0%	Defined

Seven Fleet Capital Management LP

$1,134,210

0.38%

332,613

FMR LLC

$1,115,932

0.37%

327,253

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fidelity Management & Research Co LLC	327,253	$1,115,932	100.0%	Defined

Bank of New York Mellon Corp

$1,015,230

0.34%

297,722

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Investments Corporation	117,952	$402,216	39.6%	Defined
The Bank of New York Mellon	179,768	$613,008	60.4%	Defined
Held directly	2	$6	0.0%	Defined

GSA CAPITAL PARTNERS LLP

$1,001,796

0.34%

293,782

PORTLAND INVESTMENT COUNSEL INC.

$852,500

0.29%

250,000

FEDERATED HERMES, INC.

$740,048

0.25%

217,023

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
FEDERATED MDTA LLC	217,023	$740,048	100.0%	Defined

STATE OF WISCONSIN INVESTMENT BOARD

$620,149

0.21%

181,862

RHUMBLINE ADVISERS

$420,449

0.14%

123,299

AMERICAN CENTURY COMPANIES INC

$412,773

0.14%

121,048

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
AMERICAN CENTURY INVESTMENT MANAGEMENT INC	121,048	$412,773	100.0%	Defined

BNP PARIBAS ARBITRAGE, SA

$412,231

0.14%

120,889

ALLIANCEBERNSTEIN L.P.

$409,302

0.14%

120,030

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Equitable Holdings, Inc.	120,030	$409,302	100.0%	Defined

Rafferty Asset Management, LLC

$382,581

0.13%

112,194

Walleye Capital LLC

$377,336

0.13%

110,656

DEUTSCHE BANK AG\

$343,581

0.12%

100,757

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
DWS Investments UK Ltd	100,757	$343,581	100.0%	Defined

Trueblood Wealth Management, LLC

$340,113

0.11%

99,740

WELLS FARGO & COMPANY/MN

$294,930

0.10%

86,490

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO BANK N A	86,490	$294,930	100.0%	Defined

PRICE T ROWE ASSOCIATES INC /MD/

$293,021

0.10%

85,930

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
T. Rowe Price International Ltd	85,930	$293,021	100.0%	Defined

WELLINGTON MANAGEMENT GROUP LLP

$229,987

0.08%

67,445

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Wellington Management Company LLP	21,845	$74,491	32.4%	Defined
Wellington Trust Company, NA joint	45,600	$155,496	67.6%	Defined

Taylor & Morgan Wealth Management, LLC

$225,060

0.08%

66,000

MetLife Investment Management, LLC

$209,220

0.07%

61,355

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
METLIFE INC	61,355	$209,220	100.0%	Defined

Jump Financial, LLC

$208,692

0.07%

61,200

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Leap GP LLC joint	61,200	$208,692	100.0%	Defined

BRIDGEWAY CAPITAL MANAGEMENT, LLC

$207,328

0.07%

60,800

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.

$206,618

0.07%

60,592

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Global X Management CO LLC joint	47,559	$162,176	78.5%	Defined
Global X Management (AUS) Ltd joint	13,033	$44,442	21.5%	Defined

Caption Management, LLC

$204,600

0.07%

60,000

RENAISSANCE TECHNOLOGIES LLC

$201,643

0.07%

59,133

PROFUND ADVISORS LLC

$193,394

0.06%

56,714

Invesco Ltd.

$180,272

0.06%

52,866

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Invesco Advisers, Inc. joint	12,550	$42,795	23.7%	Defined
Invesco Trust Co joint	40,316	$137,477	76.3%	Defined

JPMORGAN CHASE & CO

$160,739

0.05%

47,138

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
JPMorgan Chase Bank, N.A.	42,814	$145,995	90.8%	Defined
J.P. Morgan Investment Management Inc.	1,597	$5,445	3.4%	Defined
J.P. Morgan Securities plc	2,727	$9,299	5.8%	Defined

Creative Planning

$159,864

0.05%

46,881

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$158,906

0.05%

46,600

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	46,600	$158,906	100.0%	Other

Quadrature Capital Ltd

$150,295

0.05%

44,075

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Quadrature US Inc.	44,075	$150,295	100.0%	Other

Russell Investments Group, Ltd.

$135,928

0.05%

39,862

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Russell Investment Management, LLC	39,862	$135,928	100.0%	Defined

SYKON CAPITAL LLC

$129,348

0.04%

37,932

Vanguard Global Advisers, LLC

$124,427

0.04%

36,489

SG Americas Securities, LLC

$121,890

0.04%

35,745

Police & Firemen's Retirement System of New Jersey

$121,805

0.04%

35,720

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Capital	35,720	$121,805	100.0%	Defined

WEALTH EFFECTS LLC

$119,350

0.04%

35,000

SIMPLEX TRADING, LLC

$115,735

0.04%

33,940

XTX Topco Ltd

$107,756

0.04%

31,600

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	31,600	$107,756	100.0%	Defined

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$101,580

0.03%

29,789

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	29,789	$101,580	100.0%	Other

EntryPoint Capital, LLC

$100,990

0.03%

29,616

MANUFACTURERS LIFE INSURANCE COMPANY, THE

$96,612

0.03%

28,332

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MANULIFE FINANCIAL CORP joint	28,332	$96,612	100.0%	Defined

AQR CAPITAL MANAGEMENT LLC

$95,471

0.03%

27,998

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RF&L WEALTH MANAGEMENT, LLC	4	$13	0.0%	Other
Arax Advisory Partners	371	$1,265	1.3%	Other
HALBERT HARGROVE GLOBAL ADVISORS, LLC	459	$1,565	1.6%	Other
Stokes Family Office, LLC	12	$40	0.0%	Other
Held directly	27,152	$92,588	97.0%	Defined

Koa Wealth Management, LLC

$88,574

0.03%

25,975

INTECH INVESTMENT MANAGEMENT LLC

$83,101

0.03%

24,370

MONETA GROUP INVESTMENT ADVISORS LLC

$80,840

0.03%

23,707

Abel Hall, LLC

$78,409

0.03%

22,994

MERCER GLOBAL ADVISORS INC /ADV

$75,422

0.03%

22,118

BARCLAYS PLC

$75,180

0.03%

22,047

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	13,754	$46,901	62.4%	Defined
BARCLAYS CAPITAL INC.	8,293	$28,279	37.6%	Defined

Vontobel Holding Ltd.

$75,020

0.03%

22,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BANK VONTOBEL AG	22,000	$75,020	100.0%	Defined

Aigen Investment Management, LP

$69,935

0.02%

20,509

AUCTUS ADVISORS LLC

$69,373

0.02%

20,344

HSBC HOLDINGS PLC

$65,506

0.02%

19,210

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
HSBC BANK PLC	19,210	$65,506	100.0%	Defined

Iowa State Bank

$64,998

0.02%

19,061

PERKINS CAPITAL MANAGEMENT INC

$62,062

0.02%

18,200

TUDOR INVESTMENT CORP ET AL

$61,741

0.02%

18,106

PRUDENTIAL FINANCIAL INC

$56,640

0.02%

16,610

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
PGIM Quantitative Solutions LLC	16,610	$56,640	100.0%	Defined

E Fund Management Co., Ltd.

$53,946

0.02%

15,820

HighTower Advisors, LLC

$53,874

0.02%

15,799

NEUBERGER BERMAN GROUP LLC

$52,117

0.02%

15,284

Brevan Howard Capital Management LP

$46,805

0.02%

13,726

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Brevan Howard US Investment Management, LP	13,726	$46,805	100.0%	Defined

ProShare Advisors LLC

$46,110

0.02%

13,522

Graham Capital Management, L.P.

$39,941

0.01%

11,713

VICTORY CAPITAL MANAGEMENT INC

$35,559

0.01%

10,428

NEW YORK STATE COMMON RETIREMENT FUND

$35,123

0.01%

10,300

Cetera Investment Advisers

$34,754

0.01%

10,192

Legal & General Group Plc

$34,198

0.01%

10,029

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Legal & General Investment Management America Inc	10,029	$34,198	100.0%	Defined

Equitable Holdings, Inc.

$34,100

0.01%

10,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
EQUITABLE ADVISORS, LLC	10,000	$34,100	100.0%	Defined

Key facts CIK 728387 CUSIP 46489V302 13F (30d) 66 filings 66 filers Visit website Investor relations