LTBR · LIGHTBRIDGE Corp

$7.55 -0.61 (-7.48%) At close · Aug 28

Russell 2000 member Rebalance outlook locked

Market Cap

$282.81M

37.46M

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.

Quarter:

Holders: 130

Total Value: $134,244,591

Total Shares: 15,272,432

Showing 1–100 of 136 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

18.5%

+2.7 pts

Top 5

58.2%

+2.7 pts

Top 10

73.9%

+0.2 pts

HHI

883

Broadly held+121

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -7

Institutional value: -16.3%

Shares held: +1.5%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega BlackRock, Inc.	+480,160	2,568,869
Mega MILLENNIUM MANAGEMENT LLC	+463,790	698,893
Mega STATE STREET CORP	+448,138	2,829,502
Mega GEODE CAPITAL MANAGEMENT, LLC	+152,964	876,816
Mega VANGUARD CAPITAL MANAGEMENT LLC	+121,392	1,495,408

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mega BNP PARIBAS ARBITRAGE, SA	−942,103	471,868
Large RENAISSANCE TECHNOLOGIES LLC	−315,500	338,400
Mega Nuveen, LLC	−196,425	82,480
Mega TWO SIGMA INVESTMENTS, LP	−116,185	26,451
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP	−110,591	343,154

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Large Trexquant Investment LP	108,962	$957,775
Mid Atom Investors LP	48,975	$430,490
Large ExodusPoint Capital Management, LP	35,850	$315,121
Mid BENJAMIN EDWARDS INC	33,263	$292,381
Small MILESTONE ASSET MANAGEMENT, LLC	27,492	$241,654

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Small TWO SIGMA SECURITIES, LLC	29,142	$310,653
Mid Jump Financial, LLC	21,871	$233,144
Mid Belpointe Asset Management LLC	21,824	$232,643
Mega ENVESTNET ASSET MANAGEMENT INC	19,412	$206,931
Mid Chicago Partners Investment Group LLC	16,124	$171,881

Filter: New 19 Increased 46 Reduced 37 Sold out 26 Unchanged 28

Showing 100 of 136

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

STATE STREET CORP

$24,871,322

18.53%

2,829,502

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	2,829,502	$24,871,322	100.0%	Defined

BlackRock, Inc.

$22,580,356

16.82%

2,568,869

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	16,431	$144,428	0.6%	Sole
BlackRock Investment Management, LLC	104,502	$918,572	4.1%	Sole
BLACKROCK ADVISORS LLC	74,000	$650,460	2.9%	Sole
BlackRock Fund Advisors	1,378,873	$12,120,293	53.7%	Sole
BlackRock Institutional Trust Company, N.A.	973,660	$8,558,471	37.9%	Sole
Aperio Group, LLC	21,403	$188,132	0.8%	Sole

VANGUARD CAPITAL MANAGEMENT LLC

$13,144,636

9.79%

1,495,408

EXCHANGE TRADED CONCEPTS, LLC

$9,820,653

7.32%

1,117,253

GEODE CAPITAL MANAGEMENT, LLC

$7,707,212

5.74%

876,816

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	124,445	$1,093,871	14.2%	Defined
Held directly	752,371	$6,613,341	85.8%	Defined

MILLENNIUM MANAGEMENT LLC

$6,143,269

4.58%

698,893

UBS Group AG

$4,768,275

3.55%

542,466

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	671	$5,898	0.1%	Defined
UBS AG	540,985	$4,755,258	99.7%	Defined
UBS Securities LLC	810	$7,119	0.1%	Defined

BNP PARIBAS ARBITRAGE, SA

$4,147,719

3.09%

471,868

RENAISSANCE TECHNOLOGIES LLC

$2,974,536

2.22%

338,400

NORTHERN TRUST CORP

$2,579,116

1.92%

293,415

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	261,962	$2,302,645	89.3%	Defined
NORTHERN TRUST GLOBAL INVESTMENTS LTD	26,071	$229,164	8.9%	Defined
DWS INVESTMENT MANAGEMENT AMERICAS, INC joint	5,382	$47,307	1.8%	Other

Pacer Advisors, Inc.

$2,034,085

1.52%

231,409

VANGUARD PORTFOLIO MANAGEMENT LLC

$2,025,875

1.51%

230,475

VANGUARD FIDUCIARY TRUST CO

$1,948,215

1.45%

221,640

Tortoise Investment Management, LLC

$1,898,086

1.41%

215,937

D. E. Shaw & Co., Inc.

$1,463,657

1.09%

166,514

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

Manager	Shares	Value (USD)	% of position	Discretion
D. E. SHAW & CO, L.P.	76,635	$673,621	46.0%	Defined
D. E. Shaw Investment Management, L.L.C. joint	89,879	$790,036	54.0%	Defined

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$1,344,870

1.00%

153,000

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	153,000	$1,344,870	100.0%	Other

CITADEL ADVISORS LLC

$995,907

0.74%

113,300

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	113,300	$995,907	100.0%	Defined

Trexquant Investment LP

$957,775

0.71%

108,962

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

$923,090

0.69%

105,016

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$840,798

0.63%

95,654

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	95,654	$840,798	100.0%	Other

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$830,655

0.62%

94,500

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	94,500	$830,655	100.0%	Other

MORGAN STANLEY

$789,893

0.59%

89,863

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	78	$685	0.1%	Defined
MORGAN STANLEY & CO. LLC	12,058	$105,989	13.4%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	1,756	$15,435	2.0%	Defined
MORGAN STANLEY SMITH BARNEY LLC	67,627	$594,441	75.3%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	8,344	$73,343	9.3%	Defined

Bank of New York Mellon Corp

$751,561

0.56%

85,502

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

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Investments Corporation	26,084	$229,278	30.5%	Defined
The Bank of New York Mellon	59,417	$522,275	69.5%	Defined
Held directly	1	$8	0.0%	Defined

Themes Management Co LLC

$745,321

0.56%

84,792

Nuveen, LLC

$724,997

0.54%

82,480

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	29,560	$259,831	35.8%	Defined
TEACHERS ADVISORS, LLC joint	52,920	$465,166	64.2%	Defined

MARSHALL WACE, LLP

$719,680

0.54%

81,875

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

Manager	Shares	Value (USD)	% of position	Discretion
Marshall Wace North America L.P. joint	81,875	$719,680	100.0%	Other

Inspire Investing, LLC

$680,759

0.51%

77,447

Geneos Wealth Management Inc.

$638,883

0.48%

72,683

CITADEL ADVISORS LLC

$618,816

0.46%

70,400

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	70,400	$618,816	100.0%	Defined

Foundations Investment Advisors, LLC

$618,675

0.46%

70,384

BOOTHBAY FUND MANAGEMENT, LLC

$569,934

0.42%

64,839

Tempo Wealth, LLC

$560,432

0.42%

63,758

AQR CAPITAL MANAGEMENT LLC

$501,423

0.37%

57,045

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	1	$8	0.0%	Other
Arax Advisory Partners	777	$6,829	1.4%	Other
HALBERT HARGROVE GLOBAL ADVISORS, LLC	88	$773	0.2%	Other
Held directly	56,179	$493,813	98.5%	Defined

JONES FINANCIAL COMPANIES LLLP

$448,325

0.33%

51,004

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

Manager	Shares	Value (USD)	% of position	Discretion
Edward D. Jones & Co., L.P.	51,004	$448,325	100.0%	Sole

Atom Investors LP

$430,490

0.32%

48,975

JANE STREET GROUP, LLC

$403,461

0.30%

45,900

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

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	45,900	$403,461	100.0%	Defined

BANK OF AMERICA CORP /DE/

$382,408

0.28%

43,505

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	27,997	$246,093	64.4%	Defined
BOFA SECURITIES, INC.	15,508	$136,315	35.6%	Defined

WELLS FARGO & COMPANY/MN

$378,249

0.28%

43,032

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	28,891	$253,951	67.1%	Defined
WELLS FARGO ADVISORS FINANCIAL NETWORK, LLC	1,683	$14,793	3.9%	Defined
WELLS FARGO CLEARING SERVICES, LLC	12,050	$105,919	28.0%	Defined
Wells Fargo Securities, LLC	408	$3,586	0.9%	Defined

RHUMBLINE ADVISERS

$369,373

0.28%

42,022

Balyasny Asset Management L.P.

$365,540

0.27%

41,586

PRICE T ROWE ASSOCIATES INC /MD/

$351,916

0.26%

40,036

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	40,036	$351,916	100.0%	Defined

GOLDMAN SACHS GROUP INC

$349,164

0.26%

39,723

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	29,713	$261,177	74.8%	Defined
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	10,010	$87,987	25.2%	Defined

JANE STREET GROUP, LLC

$318,198

0.24%

36,200

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

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	36,200	$318,198	100.0%	Defined

ExodusPoint Capital Management, LP

$315,121

0.23%

35,850

DEUTSCHE BANK AG\

$294,939

0.22%

33,554

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

Manager	Shares	Value (USD)	% of position	Discretion
DWS INVESTMENT MANAGEMENT AMERICAS, INC	104	$914	0.3%	Defined
DWS Investments UK Ltd	33,450	$294,025	99.7%	Defined

BENJAMIN EDWARDS INC

$292,381

0.22%

33,263

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

Manager	Shares	Value (USD)	% of position	Discretion
BENJAMIN F. EDWARDS & COMPANY, INC.	33,263	$292,381	100.0%	Defined

Pilgrim Partners Asia Pte Ltd

$290,070

0.22%

33,000

Universal- Beteiligungs- und Servicegesellschaft mbH

$281,280

0.21%

32,000

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

Manager	Shares	Value (USD)	% of position	Discretion
Universal-Investment-Gesellschaft mbH	32,000	$281,280	100.0%	Defined

Rockefeller Capital Management L.P.

$278,344

0.21%

31,666

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

Manager	Shares	Value (USD)	% of position	Discretion
ROCKEFELLER FINANCIAL LLC	31,666	$278,344	100.0%	Defined

Tidal Investments LLC

$271,971

0.20%

30,941

IMC-Chicago, LLC

$263,761

0.20%

30,007

DUDLEY CAPITAL MANAGEMENT, LLC

$263,700

0.20%

30,000

Tidal Investments LLC

$259,305

0.19%

29,500

Rathbones Group PLC

$253,591

0.19%

28,850

Mariner, LLC

$251,921

0.19%

28,660

MILESTONE ASSET MANAGEMENT, LLC

$241,654

0.18%

27,492

TWO SIGMA INVESTMENTS, LP

$232,504

0.17%

26,451

LPL Financial LLC

$227,740

0.17%

25,909

Cetera Investment Advisers

$224,909

0.17%

25,587

CITADEL ADVISORS LLC

$221,094

0.16%

25,153

LeConte Wealth Management, LLC

$216,066

0.16%

24,581

MetLife Investment Management, LLC

$214,308

0.16%

24,381

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

Manager	Shares	Value (USD)	% of position	Discretion
METLIFE INC	24,381	$214,308	100.0%	Defined

ROYAL BANK OF CANADA

$203,628

0.15%

23,166

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

Manager	Shares	Value (USD)	% of position	Discretion
RBC CMA LTD.	1,043	$9,167	4.5%	Defined
RBC Capital Markets, LLC	22,123	$194,461	95.5%	Defined

ALLIANCEBERNSTEIN L.P.

$191,622

0.14%

21,800

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

Manager	Shares	Value (USD)	% of position	Discretion
Equitable Holdings, Inc.	21,800	$191,622	100.0%	Defined

AMERICAN CENTURY COMPANIES INC

$186,286

0.14%

21,193

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	21,193	$186,286	100.0%	Defined

Virtu Financial LLC

$172,530

0.13%

19,628

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

Manager	Shares	Value (USD)	% of position	Discretion
Virtu Americas LLC	19,628	$172,530	100.0%	Defined

Creative Planning

$160,566

0.12%

18,267

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

Manager	Shares	Value (USD)	% of position	Discretion
CREATIVE PLANNING TRUST Co LLC	27	$237	0.1%	Defined
Held directly	18,240	$160,329	99.9%	Sole

Squarepoint Ops LLC

$156,066

0.12%

17,755

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

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	17,755	$156,066	100.0%	Defined

Invesco Ltd.

$155,942

0.12%

17,741

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	4,349	$38,227	24.5%	Defined
Invesco Trust Co joint	13,392	$117,715	75.5%	Defined

CITIGROUP INC

$139,531

0.10%

15,874

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	15,874	$139,531	100.0%	Defined

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.

$138,732

0.10%

15,783

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	15,783	$138,732	100.0%	Defined

WELLINGTON MANAGEMENT GROUP LLP

$135,910

0.10%

15,462

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

Manager	Shares	Value (USD)	% of position	Discretion
Wellington Management International Ltd	15,462	$135,910	100.0%	Defined

EntryPoint Capital, LLC

$134,179

0.10%

15,265

JPMORGAN CHASE & CO

$132,789

0.10%

15,107

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.	14,209	$124,897	94.1%	Defined
J.P. Morgan Investment Management Inc.	88	$773	0.6%	Defined
J.P. Morgan Securities LLC	810	$7,119	5.4%	Defined

EAGLE GLOBAL ADVISORS LLC

$123,060

0.09%

14,000

RAYMOND JAMES FINANCIAL INC

$115,553

0.09%

13,146

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

Manager	Shares	Value (USD)	% of position	Discretion
RAYMOND JAMES & ASSOCIATES	1,237	$10,873	9.4%	Defined
Raymond James Financial Services Advisors, Inc.	11,909	$104,680	90.6%	Defined

Vanguard Global Advisers, LLC

$114,006

0.08%

12,970

GROUP ONE TRADING LLC

$110,762

0.08%

12,601

Graham Capital Management, L.P.

$107,238

0.08%

12,200

Powell Investment Advisors, LLC

$102,403

0.08%

11,650

INTECH INVESTMENT MANAGEMENT LLC

$91,108

0.07%

10,365

Kestra Advisory Services, LLC

$89,658

0.07%

10,200

Russell Investments Group, Ltd.

$79,346

0.06%

9,027

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	9,027	$79,346	100.0%	Defined

BARCLAYS PLC

$73,307

0.05%

8,340

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

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	4,454	$39,150	53.4%	Defined
BARCLAYS CAPITAL INC.	3,886	$34,157	46.6%	Defined

Police & Firemen's Retirement System of New Jersey

$70,741

0.05%

8,048

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

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Capital	8,048	$70,741	100.0%	Defined

NewEdge Advisors, LLC

$70,320

0.05%

8,000

NEW YORK STATE COMMON RETIREMENT FUND

$58,893

0.04%

6,700

Zurcher Kantonalbank (Zurich Cantonalbank)

$48,670

0.04%

5,537

Stone House Investment Management, LLC

$42,824

0.03%

4,872

TrinityBridge Ltd

$36,918

0.03%

4,200

LOS ANGELES CAPITAL MANAGEMENT LLC

$35,335

0.03%

4,020

Arax Advisory Partners

$32,795

0.02%

3,731

Integrated Wealth Concepts LLC

$30,624

0.02%

3,484

Legal & General Group Plc

$29,165

0.02%

3,318

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	3,318	$29,165	100.0%	Defined

Ameritas Investment Partners, Inc.

$27,345

0.02%

3,111

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

Manager	Shares	Value (USD)	% of position	Discretion
EATON VANCE MANAGEMENT	3,111	$27,345	100.0%	Other

OSAIC HOLDINGS, INC.

$26,616

0.02%

3,028

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

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	2,019	$17,747	66.7%	Defined
Osaic Advisory Services, LLC	1,009	$8,869	33.3%	Defined

WOLFF WIESE MAGANA LLC

$26,370

0.02%

3,000

SBI Securities Co., Ltd.

$26,115

0.02%

2,971

Quantbot Technologies LP

$23,565

0.02%

2,681

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

Manager	Shares	Value (USD)	% of position	Discretion
Manager 1	2,681	$23,565	100.0%	Sole

Tower Research Capital LLC (TRC)

$21,684

0.02%

2,467

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

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	2,467	$21,684	100.0%	Defined

Key facts CIK 1084554 CUSIP 53224K302 13F (30d) 104 filings 103 filers Visit website Investor relations