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

Institutional Holders (2014Q2)
Portfolio Summary: 33 Institutional holders with a total value of $6,608,750.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 MARXE AUSTIN W & GREENHOUSE DAVID M 1,252,095 3,468,000 52.48%
2 VANGUARD GROUP INC 404,920 1,122,000 16.98%
3 GRUBER & MCBAINE CAPITAL MANAGEMENT LLC 289,100 801,000 12.12%
4 Catalyst Capital Advisors LLC 87,100 241,000 3.65%
5 SUSQUEHANNA INTERNATIONAL GROUP, LLP 70,100 194,000 2.94% Call
6 GEODE CAPITAL MANAGEMENT, LLC 46,258 128,000 1.94%
7 NOMURA HOLDINGS INC 25,800 70,000 1.06% Call
8 BlackRock Institutional Trust Company, N.A. 24,391 68,000 1.03%
9 SUSQUEHANNA INTERNATIONAL GROUP, LLP 23,300 65,000 0.98% Put
10 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 20,000 55,000 0.83%
11 NORTHERN TRUST CORP 18,541 51,000 0.77%
12 CARRET ASSET MANAGEMENT, LLC 17,086 47,000 0.71%
13 MORGAN STANLEY 13,346 37,000 0.56%
14 GROUP ONE TRADING LLC 13,471 37,000 0.56%
15 Creative Planning 10,500 29,000 0.44%
16 FIRST MANHATTAN CO. LLC. 10,679 29,000 0.44%
17 BANK OF AMERICA CORP /DE/ 10,142 28,000 0.42%
18 D.A. DAVIDSON & CO. 10,000 27,000 0.41%
19 Spot Trading L.L.C 9,100 25,000 0.38% Put
20 SCHRODER INVESTMENT MANAGEMENT GROUP 5,630 15,595 0.24%
21 Tortoise Investment Management, LLC 4,234 12,000 0.18%
22 FIFTH THIRD BANCORP 4,374 12,000 0.18%
23 Spot Trading L.L.C 3,412 9,000 0.14%
24 UBS AG 2,500 7,000 0.11% Call
25 NOMURA HOLDINGS INC 2,401 6,000 0.09%
26 BlackRock Investment Management, LLC 2,178 6,000 0.09%
27 NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO 1,834 5,000 0.08%
28 AMERICAN INTERNATIONAL GROUP, INC. 1,500 4,155 0.06%
29 WELLS FARGO & COMPANY/MN 1,400 4,000 0.06%
30 UBS AG 1,500 4,000 0.06%
31 Tower Research Capital LLC (TRC) 200 1,000 0.02%
32 Pinnacle Summer Investments, Inc. 200 1,000 0.02%
33 BANK OF MONTREAL /CAN/ 34 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.