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

Institutional Holders (2014Q1)
Portfolio Summary: 30 Institutional holders with a total value of $6,536,180.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 MARXE AUSTIN W & GREENHOUSE DAVID M 1,321,135 3,554,000 54.37%
2 VANGUARD GROUP INC 404,920 1,089,000 16.66%
3 GRUBER & MCBAINE CAPITAL MANAGEMENT LLC 289,100 778,000 11.90%
4 Catalyst Capital Advisors LLC 81,200 218,000 3.34%
5 GEODE CAPITAL MANAGEMENT, LLC 46,305 124,000 1.90%
6 SUSQUEHANNA INTERNATIONAL GROUP, LLP 36,000 97,000 1.48% Call
7 NOMURA HOLDINGS INC 25,800 70,000 1.07% Call
8 DEUTSCHE BANK AG\ 25,667 69,000 1.06%
9 BlackRock Institutional Trust Company, N.A. 20,358 55,000 0.84%
10 SUSQUEHANNA INTERNATIONAL GROUP, LLP 19,400 52,000 0.80% Put
11 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 20,000 51,000 0.78%
12 NORTHERN TRUST CORP 18,541 50,000 0.76%
13 SUSQUEHANNA INTERNATIONAL GROUP, LLP 17,373 47,000 0.72%
14 CARRET ASSET MANAGEMENT, LLC 17,086 46,000 0.70%
15 GROUP ONE TRADING LLC 14,703 40,000 0.61%
16 FIRST MANHATTAN CO. LLC. 10,679 28,000 0.43%
17 Creative Planning 10,500 28,000 0.43%
18 BANK OF AMERICA CORP /DE/ 9,948 27,000 0.41%
19 D.A. DAVIDSON & CO. 10,000 26,000 0.40%
20 MORGAN STANLEY 7,961 21,000 0.32%
21 SCHRODER INVESTMENT MANAGEMENT GROUP 5,630 15,145 0.23%
22 FIFTH THIRD BANCORP 4,374 12,000 0.18%
23 Tortoise Investment Management, LLC 4,234 11,000 0.17%
24 NOMURA HOLDINGS INC 2,906 8,000 0.12%
25 UBS AG 2,500 7,000 0.11% Call
26 UBS AG 1,886 5,000 0.08%
27 AMERICAN INTERNATIONAL GROUP, INC. 1,500 4,035 0.06%
28 WELLS FARGO & COMPANY/MN 1,400 4,000 0.06%
29 Pinnacle Summer Investments, Inc. 200 0 0.00%
30 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.