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LIGHTBRIDGE Corp

LTBR
Exchange
Nasdaq
Industry
Industrial Inorganic Chemicals
SEC CIK
0001084554

In the last 90 days, LIGHTBRIDGE Corp insiders filed 0 open-market purchases and 2 sales; 129 institutions reported holding it in 13F filings for Q2 2026, worth $129.5M in total; no superinvestor holds it.

13F holders, Q4 2025

Institutional positions in LIGHTBRIDGE Corp as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
119
+10 vs. Q3 2025
Shares held
13.5M
+1.66M (+14.0%) vs. Q3 2025
Total value
$170.8M
−$80.4M (−32.0%) vs. Q3 2025
New holders
28
48 more added
Sold out
18
23 more reduced

1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting LTBR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 119 institutions
Q1 2021: 16 institutionsQ2 2021: 15 institutionsQ3 2021: 18 institutionsQ4 2021: 24 institutionsQ1 2022: 26 institutionsQ2 2022: 28 institutionsQ3 2022: 29 institutionsQ4 2022: 25 institutionsQ1 2023: 25 institutionsQ2 2023: 26 institutionsQ3 2023: 29 institutionsQ4 2023: 26 institutionsQ1 2024: 27 institutionsQ2 2024: 25 institutionsQ3 2024: 33 institutionsQ4 2024: 46 institutionsQ1 2025: 61 institutionsQ2 2025: 90 institutionsQ3 2025: 110 institutionsQ4 2025: 119 institutionsQ1 2026: 135 institutionsQ2 2026: 129 institutions
Value heldQ4 2025: $170.8M
Q1 2021: $1.64MQ2 2021: $2.73MQ3 2021: $1.87MQ4 2021: $5.50MQ1 2022: $4.91MQ2 2022: $3.65MQ3 2022: $4.06MQ4 2022: $3.54MQ1 2023: $3.58MQ2 2023: $5.52MQ3 2023: $4.91MQ4 2023: $4.09MQ1 2024: $3.81MQ2 2024: $4.08MQ3 2024: $4.07MQ4 2024: $10.4MQ1 2025: $29.6MQ2 2025: $115.6MQ3 2025: $252.1MQ4 2025: $170.8MQ1 2026: $154.5MQ2 2026: $129.5M
Institutions holding LTBR and their total value by quarter
QuarterHoldersValue
Q2 2026129$129.5M
Q1 2026135$154.5M
Q4 2025119$170.8M
Q3 2025110$252.1M
Q2 202590$115.6M
Q1 202561$29.6M
Q4 202446$10.4M
Q3 202433$4.07M
Q2 202425$4.08M
Q1 202427$3.81M
Q4 202326$4.09M
Q3 202329$4.91M
Q2 202326$5.52M
Q1 202325$3.58M
Q4 202225$3.54M
Q3 202229$4.06M
Q2 202228$3.65M
Q1 202226$4.91M
Q4 202124$5.50M
Q3 202118$1.87M
Q2 202115$2.73M
Q1 202116$1.64M

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding LIGHTBRIDGE Corp; share changes are against Q3 2025.

Institutions holding LTBR in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Pacer Advisors, Inc.139,589$1.76M0.00%+139,589New
Verition Fund Management LLC156,023$1.97M0.01%+104,971+205.6%Added
Jane Street Group, LLC198,085$2.50M0.00%−16,504−7.7%Reduced
Two Sigma Investments, LP214,321$2.71M0.00%−377,709−63.8%Reduced
Tortoise Investment Management, LLC215,937$2.73M0.24%+52,416+32.1%Added
Northern Trust Corp236,297$2.99M0.00%+38,538+19.5%Added
Millennium Management LLC236,449$2.99M0.00%−138,672−37.0%Reduced
BNP Paribas Arbitrage, SA251,762$3.18M0.00%−246,653−49.5%Reduced
Susquehanna International Group, LLP285,360$3.61M0.00%−315,938−52.5%Reduced
Nuveen, LLC325,277$4.11M0.00%−76,242−19.0%Reduced
Morgan Stanley376,981$4.77M0.00%+27,733+7.9%Added
Renaissance Technologies LLC538,505$6.81M0.01%+459,805+584.3%Added
Ameriprise Financial Inc628,938$7.95M0.00%+65,422+11.6%Added
Geode Capital Management, LLC670,661$8.48M0.00%+144,102+27.4%Added
UBS Group AG681,667$8.62M0.00%+102,656+17.7%Added
Exchange Traded Concepts, LLC828,550$10.5M0.09%+114,808+16.1%Added
Vanguard Group Inc1,828,494$23.1M0.00%+341,033+22.9%Added
State Street Corp1,847,661$23.4M0.00%+1,405,608+318.0%Added
BlackRock, Inc.2,011,591$25.4M0.00%+520,563+34.9%Added
Driehaus Capital Management LLC0$00.00%−397,962−100.0%Sold out
Baird Financial Group, Inc.0$00.00%−262,306−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−99,600−100.0%Sold out
EAM Investors, LLC0$00.00%−57,334−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−52,622−100.0%Sold out
Scientech Research LLC0$00.00%−19,301−100.0%Sold out
MML Investors Services, LLC0$00.00%−14,640−100.0%Sold out
Mercer Global Advisors Inc0$00.00%−13,812−100.0%Sold out
Balboa Wealth Partners0$00.00%−11,403−100.0%Sold out
Flow Traders U.S. LLC0$00.00%−11,285−100.0%Sold out
Franklin Resources Inc0$00.00%−10,916−100.0%Sold out
Sara-Bay Financial0$00.00%−9,500−100.0%Sold out
Advisory Services Network, LLC0$00.00%−2,344−100.0%Sold out
Caitong International Asset Management Co., Ltd0$00.00%−2,322−100.0%Sold out
Principal Securities, Inc.0$00.00%−500−100.0%Sold out
Legacy Wealth Managment, LLC0$00.00%−200−100.0%Sold out
SRS Capital Advisors, Inc.0$00.00%−108−100.0%Sold out
Rise Advisors, LLC0$00.00%−38−100.0%Sold out
Cubist Systematic Strategies, LLC––––Not filed