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LIGHTBRIDGE CORP
LIGHTBRIDGE CORP. Institutional holdings reported to the SEC.

Institutional Holders (2014Q3)
Portfolio Summary: 35 Institutional holders with a total value of $4,816,399.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 MARXE AUSTIN W & GREENHOUSE DAVID M 879,130 2,022,000 41.98%
2 VANGUARD GROUP INC 405,420 932,000 19.35%
3 GRUBER & MCBAINE CAPITAL MANAGEMENT LLC 285,337 656,000 13.62%
4 SUSQUEHANNA INTERNATIONAL GROUP, LLP 103,300 238,000 4.94% Put
5 Catalyst Capital Advisors LLC 95,000 219,000 4.55%
6 GEODE CAPITAL MANAGEMENT, LLC 46,352 106,000 2.20%
7 SUSQUEHANNA INTERNATIONAL GROUP, LLP 31,535 73,000 1.52%
8 SUSQUEHANNA INTERNATIONAL GROUP, LLP 29,800 69,000 1.43% Call
9 BlackRock Institutional Trust Company, N.A. 28,805 66,000 1.37%
10 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 20,000 46,000 0.96%
11 NORTHERN TRUST CORP 18,541 43,000 0.89%
12 CARRET ASSET MANAGEMENT, LLC 17,086 39,000 0.81%
13 MORGAN STANLEY 16,621 38,000 0.79%
14 TENOR CAPITAL MANAGEMENT Co., L.P. 14,021 32,000 0.66%
15 D.A. DAVIDSON & CO. 13,000 29,000 0.60%
16 FIRST MANHATTAN CO. LLC. 10,679 24,000 0.50%
17 Creative Planning 10,500 24,000 0.50%
18 Commonwealth Equity Services, Inc 10,400 24,000 0.50%
19 BANK OF AMERICA CORP /DE/ 9,948 23,000 0.48%
20 Spot Trading L.L.C 9,100 21,000 0.44% Put
21 GROUP ONE TRADING LLC 8,671 20,000 0.42%
22 SCHRODER INVESTMENT MANAGEMENT GROUP 5,630 12,949 0.27%
23 Spot Trading L.L.C 5,196 12,000 0.25%
24 FIFTH THIRD BANCORP 4,374 10,000 0.21%
25 Tortoise Investment Management, LLC 4,234 10,000 0.21%
26 UBS AG 3,201 7,000 0.15%
27 CITADEL ADVISORS LLC 2,400 6,000 0.12%
28 BlackRock Investment Management, LLC 2,178 5,000 0.10%
29 AMERICAN INTERNATIONAL GROUP, INC. 1,500 3,450 0.07%
30 WELLS FARGO & COMPANY/MN 1,400 3,000 0.06%
31 NEXT Financial Group, Inc 811 2,000 0.04%
32 UBS AG 400 1,000 0.02% Call
33 Pinnacle Summer Investments, Inc. 200 0 0.00%
34 BANK OF MONTREAL /CAN/ 34 0 0.00%
35 GLENMEDE TRUST CO NA 333 0 0.00%

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.