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Saturday, November 28, 2009, 9:19AM ET - U.S. Markets Closed. Dow Down 1.48% Nasdaq Down 1.73%
Beacon Power Corporation (BCON)On Nov 27: 0.65  Down 0.00 (0.43%)  
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Major HoldersGet Major Holders for:
BREAKDOWN
% of Shares Held by All Insider and 5% Owners: 14%
% of Shares Held by Institutional & Mutual Fund Owners: 9%
% of Float Held by Institutional & Mutual Fund Owners: 11%
Number of Institutions Holding Shares: 48

MAJOR DIRECT HOLDERS (FORMS 3 & 4)
HolderSharesReported
QUERCUS TRUST3,162,8215-Jan-09
CAPP F WILLIAM1,219,0613-Apr-09
LAZAREWICZ MATTHEW L714,4123-Apr-09
SPIEZIO JAMES M592,7753-Apr-09
KLETTER DANIEL E50,00022-May-09


TOP INSTITUTIONAL HOLDERS
HolderShares% OutValue*Reported
Invesco Ltd.5,453,0004.20$3,871,63030-Sep-09
VANGUARD GROUP, INC. (THE)752,941.58$534,58830-Sep-09
NORTHERN TRUST CORPORATION718,929.55$553,57530-Jun-09
UBS AG477,907.37$339,31330-Sep-09
CALPERS (CALIFORNIA-PUBLIC EMPLOYEES RETIREMENT SYSTEM)256,200.20$197,27430-Jun-09
OPPENHEIMER & COMPANY INC.246,500.19$175,01530-Sep-09
PNC FINANCIAL SERVICES GROUP, INC.230,516.18$163,66630-Sep-09
Credit Suisse/224,133.17$159,13430-Sep-09
Credit Suisse224,133.17$159,13430-Sep-09
TORONTO DOMINION BANK200,000.15$142,00030-Sep-09

TOP MUTUAL FUND HOLDERS
HolderShares% OutValue*Reported
Powershares Exhg Traded Fd Tr-POWERSHARES WILDERHILL CLEAN E4,004,9713.09$3,043,77731-Jul-09
VANGUARD EXTENDED MARKET INDEX FUND700,639.54$539,49230-Jun-09
SPARTAN EXTENDED MARKET INDEX FUND147,673.11$104,84730-Sep-09
ProShares Tr-Ultra Russell 2000 ProShares Fd39,772.03$30,62431-May-09
JNL SERIES TRUST-JNL/MELLON CAP SMALL CAP INDEX FUND26,000.02$12,22031-Mar-09
QUANTITATIVE MASTER SERIES TR-MASTER ENHANCED SMALL CAP19,640.02$15,12230-Jun-09
Small Cap Premium & Dividend Income Fund16,800.01$7,89631-Mar-09
QUANTITATIVE MASTER SERIES TR-EXTENDED MARKET INDEX SERI7,730.01$5,95230-Jun-09
COLLEGE RETIREMENT EQUITIES FUND-STOCK ACCOUNT386.00$29730-Jun-09
SPARTAN TOTAL MARKET INDEX FUND362.00$25730-Sep-09

View Transactions for Insiders & Institutional Holders
* Value shown is computed using the security's price on the report date given.


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