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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, Q1 2026

Institutional positions in LIGHTBRIDGE Corp as of Mar 31, 2026. 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
135
+18 vs. Q4 2025
Shares held
14.5M
+2.82M (+24.1%) vs. Q4 2025
Total value
$154.5M
+$6.89M (+4.7%) vs. Q4 2025
New holders
29
43 more added
Sold out
11
37 more reduced

2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 135 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 heldQ1 2026: $154.5M
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, Q1 2026

Shares, value and share of portfolio for each institution holding LIGHTBRIDGE Corp; share changes are against Q4 2025.

Institutions holding LTBR in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
State Street Corp2,381,364$25.4M0.00%+533,703+28.9%Added
BlackRock, Inc.2,088,709$22.3M0.00%+77,118+3.8%Added
BNP Paribas Arbitrage, SA1,413,971$15.1M0.01%+1,162,209+461.6%Added
Vanguard Capital Management LLC1,374,016$14.6M0.00%+1,374,016New
Exchange Traded Concepts, LLC1,081,607$11.5M0.09%+253,057+30.5%Added
Geode Capital Management, LLC723,852$7.72M0.00%+53,191+7.9%Added
Renaissance Technologies LLC653,900$6.97M0.01%+115,395+21.4%Added
UBS Group AG637,407$6.79M0.00%−44,260−6.5%Reduced
Nuveen, LLC278,905$2.97M0.00%−46,372−14.3%Reduced
Northern Trust Corp252,671$2.69M0.00%+16,374+6.9%Added
Millennium Management LLC235,103$2.51M0.00%−1,346−0.6%Reduced
Vanguard Fiduciary Trust Co227,381$2.42M0.00%+227,381New
Tortoise Investment Management, LLC215,937$2.30M0.19%00.0%Unchanged
Vanguard Portfolio Management LLC215,000$2.29M0.00%+215,000New
Morgan Stanley189,828$2.02M0.00%−187,153−49.6%Reduced
Pacer Advisors, Inc.164,452$1.75M0.01%+24,863+17.8%Added
Two Sigma Investments, LP142,636$1.52M0.00%−71,685−33.4%Reduced
Balyasny Asset Management LLC124,980$1.33M0.00%+124,980New
Marshall Wace, LLP105,361$1.12M0.00%+105,361New
Boothbay Fund Management, LLC91,815$978.7K0.02%+44,125+92.5%Added
Susquehanna International Group, LLP88,045$938.6K0.00%−197,315−69.1%Reduced
Charles Schwab Investment Management Inc85,856$915.2K0.00%−1,758−2.0%Reduced
Citadel Advisors LLC83,297$887.9K0.00%+39,455+90.0%Added
Geneos Wealth Management Inc.72,233$770.0K0.02%+4,034+5.9%Added
Foundations Investment Advisors, LLC70,384$750.3K0.01%00.0%Unchanged
Tempo Wealth, LLC68,363$728.8K0.13%+5,038+8.0%Added
Themes Management Co LLC65,648$699.8K0.43%+32,308+96.9%Added
Bank of New York Mellon Corp63,790$680.0K0.00%+3,062+5.0%Added
Goldman Sachs Group Inc62,002$660.9K0.00%−17,227−21.7%Reduced
LPL Financial LLC56,961$607.2K0.00%−4,476−7.3%Reduced
D. E. Shaw & Co., Inc.55,516$591.8K0.00%+55,516New
Pilgrim Partners Asia Pte Ltd55,000$586.3K0.25%−61,600−52.8%Reduced
Royal Bank of Canada54,841$584.0K0.00%+646+1.2%Added
CWM Advisors, LLC49,341$526.0K0.03%+11,924+31.9%Added
Los Angeles Capital Management LLC38,695$412.5K0.00%+38,695New
Virtu Financial LLC36,334$387.0K0.02%−11,064−23.3%Reduced
Wells Fargo & Company36,078$384.6K0.00%−17,464−32.6%Reduced
IMC-Chicago, LLC35,912$382.8K0.01%−6,633−15.6%Reduced
Jones Financial Companies LLLP34,281$366.8K0.00%−320−0.9%Reduced
Rhumbline Advisers32,234$343.6K0.00%+2,851+9.7%Added
Universal- Beteiligungs- und Servicegesellschaft mbH32,000$341.1K0.00%00.0%Unchanged
Graham Capital Management, L.P.30,388$323.9K0.01%+30,388New
Bank of America Corp30,056$320.4K0.00%−24,460−44.9%Reduced
Dudley Capital Management, LLC30,000$319.8K0.14%00.0%Unchanged
Two Sigma Securities, LLC29,142$310.7K0.04%+29,142New
Rathbone Brothers plc28,861$307.7K0.00%+9,629+50.1%Added
LeConte Wealth Management, LLC26,933$287.1K0.19%+14,711+120.4%Added
Cetera Investment Advisers26,009$277.3K0.00%−34,120−56.7%Reduced
Mariner, LLC24,973$266.3K0.00%−9,806−28.2%Reduced
Price T Rowe Associates Inc24,366$260.0K0.00%+4,684+23.8%Added
Jump Financial, LLC21,871$233.1K0.00%+21,871New
Belpointe Asset Management LLC21,824$232.6K0.01%+21,824New
Rockefeller Capital Management L.P.21,666$231.0K0.00%00.0%Unchanged
Deutsche Bank AG21,540$229.6K0.00%+2,427+12.7%Added
Group One Trading, L.P.21,183$225.8K0.01%−8,354−28.3%Reduced
Chicago Partners Investment Group LLC16,124$220.3K0.00%+2,219+16.0%Added
Envestnet Asset Management Inc19,412$206.9K0.00%−3,505−15.3%Reduced
AQR Capital Management LLC16,840$179.5K0.00%+4,843+40.4%Added
MetLife Investment Management15,489$165.1K0.00%00.0%Unchanged
Wiley Bros.-Aintree Capital, LLC14,848$158.3K0.00%−4,306−22.5%Reduced
Eagle Global Advisors LLC14,000$149.2K0.01%+1,100+8.5%Added
Mirae Asset Global ETFs Holdings Ltd.13,742$146.5K0.00%+1,307+10.5%Added
Wellington Management Group LLP13,668$145.7K0.00%+1,800+15.2%Added
Invesco Ltd.13,345$142.3K0.00%−3,939−22.8%Reduced
Vanguard Global Advisers, LLC12,970$138.3K0.00%+12,970New
Toroso Investments, LLC12,906$137.6K0.00%+12,906New
Raymond James Financial Inc12,316$131.3K0.00%−481−3.8%Reduced
Quadrature Capital Ltd12,111$129.1K0.00%+12,111New
JPMorgan Chase & Co12,852$126.6K0.00%+564+4.6%Added
Powell Investment Advisors, LLC11,650$124.2K0.04%00.0%Unchanged
Intech Investment Management LLC11,571$123.3K0.00%+11,571New
Commonwealth Equity Services, LLC10,967$116.9K0.00%−366−3.2%Reduced
Kestra Advisory Services, LLC10,398$110.8K0.00%−342−3.2%Reduced
SEI Investments Co10,041$107.0K0.00%+10,041New
Police & Firemen's Retirement System of New Jersey8,048$85.8K0.00%+2,301+40.0%Added
GWM Advisors LLC8,000$85.3K0.00%00.0%Unchanged
New York State Common Retirement Fund6,700$69.3K0.00%00.0%Unchanged
Simplex Trading, LLC6,263$66.8K0.00%−6,634−51.4%Reduced
Barclays PLC5,870$62.6K0.00%−35,921−86.0%Reduced
Tower Research Capital LLC (TRC)5,436$57.9K0.00%+2,818+107.6%Added
Meeder Asset Management Inc5,167$55.1K0.00%−17,493−77.2%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)5,150$54.9K0.00%+469+10.0%Added
Stone House Investment Management, LLC4,872$51.9K0.01%00.0%Unchanged
CWM, LLC4,525$48.2K0.00%+4,128+1,039.8%Added
Advisor Group Holdings, Inc.4,396$46.9K0.00%−2,812−39.0%Reduced
Close Asset Management Ltd4,200$45.0K0.00%00.0%Unchanged
Wolff Wiese Magana LLC3,000$32.0K0.02%00.0%Unchanged
Advisory Services Network, LLC2,944$31.4K0.00%+2,944New
SBI Securities Co., Ltd.2,419$25.8K0.00%+496+25.8%Added
Legal & General Group Plc2,391$25.5K0.00%−340−12.4%Reduced
CrossGen Wealth, LLC2,034$21.7K0.02%00.0%Unchanged
Ameritas Investment Partners, Inc.1,914$20.4K0.00%00.0%Unchanged
Russell Investments Group, Ltd.1,889$20.1K0.00%+58+3.2%Added
National Bank of Canada1,750$18.7K0.00%−42−2.3%Reduced
California State Teachers Retirement System1,573$16.8K0.00%−76−4.6%Reduced
Citigroup Inc1,563$16.7K0.00%+741+90.1%Added
Federated Hermes, Inc.1,549$16.5K0.00%−537−25.7%Reduced
Nisa Investment Advisors, LLC1,500$16.0K0.00%+1,500New
Huntington National Bank1,041$11.1K0.00%+38+3.8%Added
Ancora Advisors, LLC1,000$10.7K0.00%00.0%Unchanged