LIGHTBRIDGE CORP (LTBR) Institutional Shareholders
LIGHTBRIDGE CORP (LTBR) 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 $149.39M in LTBR holdings during the latest filing period.
State Street Corp is currently the largest disclosed institutional shareholder of LTBR tracked by InsiderSet, reporting ownership valued at approximately $25.39M in its March 31, 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 $20.53M, representing an estimated loss of -19.14% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 77% of the total disclosed LTBR value among the investors covered in this analysis. Major shareholders include State Street Corp, Blackrock, Inc., Bnp Paribas Financial Markets, and several other long-term asset managers with concentrated positions in LIGHTBRIDGE CORP (LTBR).
This page ranks the largest institutional LTBR 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
125
Total Reported Value
$149.39M
Largest Holder
State Street Corp
Largest Position
$25.39M
Insider Transactions (90d)
3
Latest Filing Quarter
Q2 2026
New Institutional Positions
151
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| State Street Corp | 0.00% | 2,381,364 | $25,385,340 | $20,527,358 | -$4,857,982 | -19.14% | |
| Blackrock, Inc. | 0.00% | 2,088,709 | $22,265,638 | $18,004,672 | -$4,260,966 | -19.14% | |
| Bnp Paribas Financial Markets | 0.01% | 1,413,971 | $15,072,931 | $12,188,430 | -$2,884,501 | -19.14% | |
| Vanguard Capital Management Llc | 0.00% | 1,374,016 | $14,647,011 | $11,844,018 | -$2,802,993 | -19.14% | |
| Exchange Traded Concepts, Llc | 0.05% | 1,117,253 | $9,820,654 | $9,630,721 | -$189,933 | -1.93% | |
| Geode Capital Management, Llc | 0.00% | 723,852 | $7,718,275 | $6,239,604 | -$1,478,671 | -19.16% | |
| Renaissance Technologies LLC | Jim Simons | 0.01% | 653,900 | $6,970,574 | $5,636,618 | -$1,333,956 | -19.14% |
| Ubs Group Ag | 0.00% | 637,407 | $6,794,758 | $5,494,448 | -$1,300,310 | -19.14% | |
| Nuveen, Llc | 0.00% | 278,905 | $2,973,127 | $2,404,161 | -$568,966 | -19.14% | |
| Northern Trust Corp | 0.00% | 252,671 | $2,693,474 | $2,178,024 | -$515,450 | -19.14% | |
| Millennium Management Llc | 0.00% | 235,103 | $2,506,198 | $2,026,588 | -$479,610 | -19.14% | |
| Vanguard Fiduciary Trust Co | 0.00% | 227,381 | $2,423,881 | $1,960,024 | -$463,857 | -19.14% | |
| Tortoise Investment Management, Llc | 0.19% | 215,937 | $2,301,888 | $1,861,377 | -$440,511 | -19.14% | |
| Vanguard Portfolio Management Llc | 0.00% | 215,000 | $2,291,900 | $1,853,300 | -$438,600 | -19.14% | |
| Morgan Stanley | 0.00% | 189,828 | $2,023,567 | $1,636,317 | -$387,250 | -19.14% | |
| Two Sigma Investments, Lp | 0.00% | 142,636 | $1,520,500 | $1,229,522 | -$290,978 | -19.14% | |
| Balyasny Asset Management L.P. | 0.00% | 124,980 | $1,332,287 | $1,077,328 | -$254,959 | -19.14% | |
| Marshall Wace, Llp | 0.00% | 105,361 | $1,123,149 | $908,212 | -$214,937 | -19.14% | |
| Boothbay Fund Management, Llc | 0.02% | 91,815 | $978,748 | $791,445 | -$187,303 | -19.14% | |
| Susquehanna International Group, Llp | 0.00% | 88,045 | $938,560 | $758,948 | -$179,612 | -19.14% | |
| Charles Schwab Investment Management Inc | 0.00% | 85,856 | $915,225 | $740,079 | -$175,146 | -19.14% | |
| Citadel Advisors Llc | 0.00% | 83,297 | $887,946 | $718,020 | -$169,926 | -19.14% | |
| Geneos Wealth Management Inc. | 0.02% | 72,233 | $770,004 | $622,648 | -$147,356 | -19.14% | |
| Foundations Investment Advisors, Llc | 0.01% | 70,384 | $750,293 | $606,710 | -$143,583 | -19.14% | |
| Themes Management Co Llc | 0.49% | 84,792 | $745,322 | $730,907 | -$14,415 | -1.93% | |
| Bank Of New York Mellon Corp | 0.00% | 63,790 | $680,000 | $549,870 | -$130,130 | -19.14% | |
| Goldman Sachs Group Inc | 0.00% | 62,002 | $660,941 | $534,457 | -$126,484 | -19.14% | |
| Lpl Financial Llc | 0.00% | 56,961 | $607,204 | $491,004 | -$116,200 | -19.14% | |
| D. E. Shaw & Co., Inc. | 0.00% | 55,516 | $591,801 | $478,548 | -$113,253 | -19.14% | |
| Royal Bank Of Canada | 0.00% | 54,841 | $584,000 | $472,729 | -$111,271 | -19.05% | |
| Tempo Wealth, Llc | 0.08% | 63,758 | $560,433 | $549,594 | -$10,839 | -1.93% | |
| Inspire Investing, Llc | 0.04% | 49,341 | $525,975 | $425,319 | -$100,656 | -19.14% | |
| Los Angeles Capital Management Llc | 0.00% | 38,695 | $412,489 | $333,551 | -$78,938 | -19.14% | |
| Wells Fargo & Company/Mn | 0.00% | 36,078 | $384,592 | $310,992 | -$73,600 | -19.14% | |
| Imc-Chicago, Llc | 0.01% | 35,912 | $382,822 | $309,561 | -$73,261 | -19.14% | |
| Jones Financial Companies Lllp | 0.00% | 34,281 | $366,807 | $295,502 | -$71,305 | -19.44% | |
| Rhumbline Advisers | 0.00% | 32,234 | $343,606 | $277,857 | -$65,749 | -19.13% | |
| Universal- Beteiligungs- Und Servicegesellschaft Mbh | 0.00% | 32,000 | $341,120 | $275,840 | -$65,280 | -19.14% | |
| Graham Capital Management, L.P. | 0.01% | 30,388 | $323,936 | $261,945 | -$61,991 | -19.14% | |
| Bank Of America Corp | 0.00% | 30,056 | $320,397 | $259,083 | -$61,314 | -19.14% | |
| Two Sigma Securities, Llc | 0.04% | 29,142 | $310,654 | $251,204 | -$59,450 | -19.14% | |
| Benjamin Edwards Inc | 0.00% | 33,263 | $292,326 | $286,727 | -$5,599 | -1.92% | |
| Pilgrim Partners Asia Pte Ltd | 0.13% | 33,000 | $290,070 | $284,460 | -$5,610 | -1.93% | |
| Leconte Wealth Management, Llc | 0.19% | 26,933 | $287,106 | $232,162 | -$54,944 | -19.14% | |
| Cetera Investment Advisers | 0.00% | 26,009 | $277,256 | $224,198 | -$53,058 | -19.14% | |
| Mariner, Llc | 0.00% | 24,973 | $266,293 | $215,267 | -$51,026 | -19.16% | |
| Dudley Capital Management, Llc | 0.11% | 30,000 | $263,700 | $258,600 | -$5,100 | -1.93% | |
| Rathbones Group Plc | 0.00% | 28,850 | $253,591 | $248,687 | -$4,904 | -1.93% | |
| Milestone Asset Management, Llc | 0.04% | 27,492 | $241,655 | $236,981 | -$4,674 | -1.93% | |
| Jump Financial, Llc | 0.00% | 21,871 | $233,145 | $188,528 | -$44,617 | -19.14% |
Frequently asked questions about LTBR
Who owns the most LTBR stock?
The largest holders of LTBR 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 LIGHTBRIDGE CORP (LTBR).
Is LTBR widely held by superinvestors?
Many widely followed stocks like LTBR appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly LTBR 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.