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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 4 sales; 129 institutions reported holding it in 13F filings for Q2 2026, worth $129.5M in total; no superinvestor holds it.

13F holders, Q3 2025

Institutional positions in LIGHTBRIDGE Corp as of Sep 30, 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
110
+22 vs. Q2 2025
Shares held
11.9M
+3.26M (+37.8%) vs. Q2 2025
Total value
$252.1M
+$136.8M (+118.6%) vs. Q2 2025
New holders
33
40 more added
Sold out
11
16 more reduced

2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 110 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 heldQ3 2025: $252.1M
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, Q3 2025

Shares, value and share of portfolio for each institution holding LIGHTBRIDGE Corp; share changes are against Q2 2025.

Institutions holding LTBR in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.1,491,028$31.6M0.00%+346,047+30.2%Added
Vanguard Group Inc1,487,461$31.5M0.00%+237,378+19.0%Added
Exchange Traded Concepts, LLC713,742$15.1M0.14%+126,121+21.5%Added
Susquehanna International Group, LLP601,298$12.8M0.02%+578,530+2,541.0%Added
Two Sigma Investments, LP592,030$12.6M0.02%+285,471+93.1%Added
UBS Group AG579,011$12.3M0.00%+222,402+62.4%Added
Ameriprise Financial Inc563,516$12.0M0.00%+563,516New
Geode Capital Management, LLC526,559$11.2M0.00%+52,794+11.1%Added
BNP Paribas Arbitrage, SA498,415$10.6M0.01%+312,605+168.2%Added
State Street Corp442,053$9.38M0.00%+137,782+45.3%Added
Nuveen, LLC401,519$8.52M0.00%−120,019−23.0%Reduced
Driehaus Capital Management LLC397,962$8.44M0.06%+4,978+1.3%Added
Millennium Management LLC375,121$7.96M0.01%−275,057−42.3%Reduced
Citadel Advisors LLC359,434$7.62M0.01%+323,688+905.5%Added
Morgan Stanley349,248$7.41M0.00%+275,130+371.2%Added
Baird Financial Group, Inc.262,306$5.56M0.01%+30,260+13.0%Added
Jane Street Group, LLC214,589$4.55M0.01%+214,589New
Northern Trust Corp197,759$4.19M0.00%+14,503+7.9%Added
Tortoise Investment Management, LLC163,521$3.47M0.31%00.0%Unchanged
Group One Trading, L.P.123,297$2.62M0.08%+68,004+123.0%Added
Pilgrim Partners Asia Pte Ltd116,600$2.47M1.10%+116,600New
Two Sigma Advisers, LP99,600$2.11M0.00%+99,600New
Renaissance Technologies LLC78,700$1.67M0.00%+78,700New
Charles Schwab Investment Management Inc64,253$1.36M0.00%+5,719+9.8%Added
Geneos Wealth Management Inc.63,712$1.35M0.03%+137+0.2%Added
Royal Bank of Canada60,732$1.29M0.00%+49,854+458.3%Added
Goldman Sachs Group Inc59,465$1.26M0.00%−7,828−11.6%Reduced
Cetera Investment Advisers58,961$1.25M0.00%+40,011+211.1%Added
EAM Investors, LLC57,334$1.22M0.14%+9,039+18.7%Added
Y-Intercept (Hong Kong) Ltd52,622$1.12M0.03%+52,622New
Verition Fund Management LLC51,052$1.08M0.01%00.0%Unchanged
Virtu Financial LLC50,209$1.06M0.06%+50,209New
Bank of New York Mellon Corp45,326$961.4K0.00%+5,524+13.9%Added
Cubist Systematic Strategies, LLC43,443$921.4K0.01%+43,443New
Bank of America Corp42,603$903.6K0.00%+29,736+231.1%Added
LPL Financial LLC41,812$886.8K0.00%−2,417−5.5%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH38,000$806.0K0.00%00.0%Unchanged
Jones Financial Companies LLLP36,771$788.4K0.00%+5,316+16.9%Added
Dudley Capital Management, LLC34,166$724.7K0.33%00.0%Unchanged
Barclays PLC30,242$641.4K0.00%−11,054−26.8%Reduced
Rhumbline Advisers28,241$599.0K0.00%+1,325+4.9%Added
XTX Topco Ltd25,860$548.5K0.03%−6,934−21.1%Reduced
Scientech Research LLC19,301$409.4K0.14%+19,301New
Wells Fargo & Company18,773$398.2K0.00%+4,396+30.6%Added
Rathbone Brothers plc18,382$389.9K0.00%−204−1.1%Reduced
Dimensional Fund Advisors LP17,024$361.1K0.00%00.0%Unchanged
Deutsche Bank AG14,775$313.4K0.00%+1,853+14.3%Added
MML Investors Services, LLC14,640$310.5K0.00%+14,640New
Mercer Global Advisors Inc13,812$293.0K0.00%+13,812New
Raymond James Financial Inc12,842$272.4K0.00%+8,909+226.5%Added
Price T Rowe Associates Inc12,238$260.0K0.00%+12,238New
MetLife Investment Management11,907$252.5K0.00%00.0%Unchanged
Invesco Ltd.11,659$247.3K0.00%+173+1.5%Added
Powell Investment Advisors, LLC11,650$247.1K0.09%00.0%Unchanged
JPMorgan Chase & Co11,501$243.9K0.00%+2,091+22.2%Added
Balboa Wealth Partners11,403$241.9K0.04%−500−4.2%Reduced
Flow Traders U.S. LLC11,285$239.0K0.01%+11,285New
LeConte Wealth Management, LLC11,154$236.6K0.16%+11,154New
Commonwealth Equity Services, LLC11,007$233.0K0.00%+11,007New
Franklin Resources Inc10,916$231.5K0.00%+10,916New
Simplex Trading, LLC10,929$231.0K0.01%+10,929New
Eagle Global Advisors LLC10,200$216.3K0.01%00.0%Unchanged
Kestra Advisory Services, LLC9,940$210.8K0.00%+9,940New
Mirae Asset Global ETFs Holdings Ltd.9,821$208.3K0.00%−441−4.3%Reduced
Sara-Bay Financial9,500$201.5K0.06%+9,500New
GWM Advisors LLC8,000$169.7K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.9,154$155.4K0.00%+1,210+15.2%Added
New York State Common Retirement Fund6,700$141.1K0.00%−700−9.5%Reduced
Police & Firemen's Retirement System of New Jersey5,747$121.9K0.00%+1,283+28.7%Added
Stone House Investment Management, LLC4,872$103.3K0.02%+140+3.0%Added
Close Asset Management Ltd4,200$89.0K0.00%+4,200New
Farther Finance Advisors, LLC3,160$67.0K0.00%+3,160New
Wolff Wiese Magana LLC3,000$63.6K0.04%00.0%Unchanged
Tower Research Capital LLC (TRC)2,961$62.8K0.00%+764+34.8%Added
Russell Investments Group, Ltd.2,480$52.6K0.00%+2,480New
Legal & General Group Plc2,359$50.0K0.00%+271+13.0%Added
Advisory Services Network, LLC2,344$49.7K0.00%+2,344New
Caitong International Asset Management Co., Ltd2,322$49.3K0.03%−1,596−40.7%Reduced
Ameritas Investment Partners, Inc.1,914$40.6K0.00%00.0%Unchanged
National Bank of Canada1,715$36.4K0.00%−35−2.0%Reduced
Rockefeller Capital Management L.P.1,666$35.3K0.00%+1,666New
Citigroup Inc1,412$29.9K0.00%−17,158−92.4%Reduced
Leonteq Securities AG1,350$28.6K0.00%+1,350New
SBI Securities Co., Ltd.1,194$25.3K0.00%−1,877−61.1%Reduced
California State Teachers Retirement System1,171$24.8K0.00%+1+0.1%Added
Huntington National Bank1,003$21.2K0.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec850$18.0K0.00%−20−2.3%Reduced
Amalgamated Bank640$14.0K0.00%00.0%Unchanged
Essential Partners LLC637$13.5K0.00%00.0%Unchanged
FMR LLC605$12.8K0.00%+484+400.0%Added
Federated Hermes, Inc.569$12.1K0.00%+196+52.5%Added
Principal Securities, Inc.500$10.6K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.403$8.55K0.00%+403New
CWM, LLC380$8.00K0.00%+81+27.1%Added
Quadrant Capital Group LLC363$7.70K0.00%+363New
Legacy Wealth Managment, LLC200$4.24K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.108$2.29K0.00%+108New
Bellevue Asset Management, LLC80$1.70K0.00%00.0%Unchanged
Caitlin John, LLC75$1.59K0.00%+75New
ORG Partners LLC60$1.27K0.00%−155−72.1%Reduced