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Saturday, November 28, 2009, 1:25PM ET - U.S. Markets Closed. Dow Down 1.48% Nasdaq Down 1.73%
Plug Power Inc. (PLUG)On Nov 27: 0.7801  Down 0.0239 (2.97%)  
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HereMajor Holders
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Major HoldersGet Major Holders for:
BREAKDOWN
% of Shares Held by All Insider and 5% Owners: 10%
% of Shares Held by Institutional & Mutual Fund Owners: 28%
% of Float Held by Institutional & Mutual Fund Owners: 32%
Number of Institutions Holding Shares: 71

MAJOR DIRECT HOLDERS (FORMS 3 & 4)
HolderSharesReported
OJSC THIRD GENERATION CO OF THE WHOLESALE ELECTRIC44,626,93920-Dec-08
DTE ENERGY CON/A24-Dec-07
MCNAMEE GEORGE C293,6822-Oct-09
GARBERDING LARRY85,9232-Oct-09
ANDERSON GERALD A77,29612-May-09


TOP INSTITUTIONAL HOLDERS
HolderShares% OutValue*Reported
Invesco Ltd.4,776,6553.69$4,203,45630-Sep-09
BlackRock Group Limited3,983,9843.08$3,505,90530-Sep-09
VANGUARD GROUP, INC. (THE)3,787,8172.92$3,333,27830-Sep-09
AXA3,613,5562.79$3,179,92930-Sep-09
DIMENSIONAL FUND ADVISORS LP3,152,4852.43$2,774,18630-Sep-09
KBC Group NV1,333,4271.03$1,173,41530-Jun-09
RENAISSANCE TECHNOLOGIES, LLC1,322,4341.02$1,163,74130-Sep-09
Barclays Global Investors UK Holdings Ltd1,164,933.90$1,025,14130-Sep-09
MILLENNIUM MANAGEMENT LLC1,000,000.77$880,00030-Sep-09
Claymore Advisors, LLC835,537.64$735,27230-Sep-09

TOP MUTUAL FUND HOLDERS
HolderShares% OutValue*Reported
Powershares Exhg Traded Fd Tr-POWERSHARES WILDERHILL CLEAN E4,632,9753.58$3,660,05031-Jul-09
VANGUARD TOTAL STOCK MARKET INDEX FUND1,306,0851.01$1,149,35430-Jun-09
VANGUARD SMALL-CAP INDEX FUND1,000,846.77$880,74430-Jun-09
DFA U.S. SMALL CAP SERIES712,637.55$705,51030-Apr-09
DFA U.S. MICRO CAP SERIES677,284.52$670,51130-Apr-09
VANGUARD EXTENDED MARKET INDEX FUND527,145.41$463,88730-Jun-09
DFA U.S. SMALL CAP VALUE SERIES526,873.41$521,60430-Apr-09
VANGUARD SMALL-CAP GROWTH INDEX FUND411,330.32$361,97030-Jun-09
CALVERT IMPACT FUND, INC-CALVERT GLOBAL ALTERNATIVE ENERGY F397,503.31$349,80230-Jun-09
DFA Tax Managed U.S. Targeted Value Port368,931.28$291,45531-Jul-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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