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

Institutional Holders (2015Q1)
Portfolio Summary: 32 Institutional holders with a total value of $5,752,860.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 AWM Investment Company, Inc. 3,508,789 4,351,000 75.63%
2 VANGUARD GROUP INC 421,402 523,000 9.09%
3 GRUBER & MCBAINE CAPITAL MANAGEMENT LLC 285,337 354,000 6.15%
4 Catalyst Capital Advisors LLC 95,000 118,000 2.05%
5 GEODE CAPITAL MANAGEMENT, LLC 46,634 57,000 0.99%
6 SUSQUEHANNA INTERNATIONAL GROUP, LLP 30,500 38,000 0.66% Put
7 BlackRock Institutional Trust Company, N.A. 28,805 36,000 0.63%
8 SUSQUEHANNA INTERNATIONAL GROUP, LLP 28,405 35,000 0.61%
9 Virtu KCG Holdings LLC 26,051 32,000 0.56%
10 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 20,000 30,000 0.52%
11 NORTHERN TRUST CORP 18,541 23,000 0.40%
12 MORGAN STANLEY 17,287 22,000 0.38%
13 CARRET ASSET MANAGEMENT, LLC 17,086 21,000 0.37%
14 D.A. DAVIDSON & CO. 13,000 16,000 0.28%
15 TENOR CAPITAL MANAGEMENT Co., L.P. 10,721 13,000 0.23%
16 Creative Planning 10,500 13,000 0.23%
17 Commonwealth Equity Services, Inc 10,400 13,000 0.23%
18 FIRST MANHATTAN CO. LLC. 10,679 13,000 0.23%
19 BANK OF AMERICA CORP /DE/ 8,948 11,000 0.19%
20 EQUITEC SPECIALISTS, LLC 7,900 10,000 0.17%
21 FIFTH THIRD BANCORP 4,374 5,000 0.09%
22 Tortoise Investment Management, LLC 4,234 5,000 0.09%
23 Klingman & Associates, LLC 3,318 4,000 0.07%
24 BlackRock Investment Management, LLC 2,716 3,000 0.05%
25 UBS Group AG 1,500 2,000 0.03%
26 AMERICAN INTERNATIONAL GROUP, INC. 1,500 1,860 0.03%
27 WELLS FARGO & COMPANY/MN 1,400 1,000 0.02%
28 NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO 700 1,000 0.02%
29 Tower Research Capital LLC (TRC) 751 1,000 0.02%
30 Pinnacle Summer Investments, Inc. 200 0 0.00%
31 BANK OF MONTREAL /CAN/ 34 0 0.00%
32 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.