Lightbridge Corp

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Lightbridge Corp
TickerLTBR
CIK #0001084554
CUSIP53224K203
SectorTrade & Services - Services-Management Consulting Services
Address1600 Tysons Boulevard Suite 550, Mclean,, VA 22102
Source [EDGAR]
CIK Filing 2011 - 2025
[0001084554] 10-K
[0001084554] 10-Q
[0001084554] 3
[0001084554] 4
[0001084554] 8-K
[0001084554] SC 13D
[0001084554] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Vanguard Group Inc Lightbridge Corp [2025-07-29] 0.0
Millennium Management LLC Lightbridge Corp [2025-06-20] 0.0
AK Jensen Investment Management Ltd Lightbridge Corp [2023-02-10] 10.7
General International Holdings Inc Lightbridge Corp [2017-04-21] 0.8
Marxe Austin W & Greenhouse David M Lightbridge Corp [2014-12-09] 19.6
Form 3/4/5 Filer 2011 - 2025
Chakraborty Sweta
LIGHTBRIDGE Corp
Goldman Larry
Tobin Mark Robert
GRAE Seth
Goodman Sherri
Magraw Daniel B
Funches Jesse L.
Mushakov Andrey
Graham Thomas Jr
AK Jensen Investment Management Ltd
Alessi Victor E
Townsend Kathleen
Zwobota Linda Joan
Hou Xingping
AWM Investment Company, Inc.
Marxe Austin W & Greenhouse David M
Guerra James
Ladd Jack D
Form 13F Holdings
Firm Period DFND Voting Shares
Vanguard Group Inc [2025-06-30] SOLE 0 1,221,265
BlackRock, Inc. [2025-06-30] SOLE 1,131,809 1,144,981
Sculptor Capital LP [2025-06-30] DFND 0 711,000
Millennium Management LLC [2025-06-30] SOLE 650,178 650,178
Exchange Traded Concepts LLC [2025-06-30] SOLE 587,621 587,621
Susquehanna International Group LLP [2025-06-30] OTR 22,768 582,868
Nuveen, LLC [2025-06-30] DFND 520,201 521,538
Geode Capital Management LLC [2025-06-30] DFND 473,765 473,765
Driehaus Capital Management LLC [2025-06-30] SOLE 303,457 392,984
UBS Group AG [2025-06-30] DFND 356,360 356,609
Citadel Advisors LLC [2025-06-30] DFND 339,246 339,246
Two Sigma Investments LP [2025-06-30] SOLE 306,559 306,559
State Street Corp [2025-06-30] DFND 276,430 304,271
Arosa Capital Management LP [2025-06-30] SOLE 300,000 300,000
Baird Financial Group, Inc. [2025-06-30] DFND 232,046 232,046
Peak6 LLC [2025-06-30] DFND 206,100 206,100
BNP Paribas Financial Markets [2025-06-30] DFND 0 185,810
Northern Trust Corp [2025-06-30] DFND 180,388 180,388
Tortoise Investment Management LLC [2025-06-30] SOLE 0 163,521
Jane Street Group LLC [2025-06-30] DFND 25,000 105,700
Morgan Stanley [2025-06-30] DFND 36,666 74,118
Goldman Sachs Group Inc [2025-06-30] DFND 67,283 67,293
Geneos Wealth Management Inc [2025-06-30] SOLE 0 63,575
Charles Schwab Investment Management Inc [2025-06-30] SOLE 58,534 58,534
Group One Trading LLC [2025-06-30] SOLE 55,293 55,293
Verition Fund Management LLC [2025-06-30] SOLE 51,052 51,052
OMERS ADMINISTRATION Corp [2025-06-30] SOLE 48,900 48,900
Informed Momentum Co LLC [2025-06-30] SOLE 48,295 48,295
LPL Financial LLC [2025-06-30] SOLE 0 44,229
Barclays PLC [2025-06-30] SOLE 41,296 41,296
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