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Tuesday, December 1, 2009, 1:03AM ET - U.S. Markets open in 8 hours and 27 minutes. Dow Up 0.34% Nasdaq Up 0.29%
Amtech Systems Inc. (ASYS)On Nov 30: 5.98  Down 0.22 (3.55%)  
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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: 54%
% of Float Held by Institutional & Mutual Fund Owners: 60%
Number of Institutions Holding Shares: 31

MAJOR DIRECT HOLDERS (FORMS 3 & 4)
HolderSharesReported
MARXE AUSTIN W & GREENHOUSE DAVID MN/A21-Feb-08
GENDELL JEFFREY L ET ALN/A12-Dec-07
WHANG JONG S85,00020-Nov-09
ANDERSON BRADLEY CLARK23,00020-Nov-09
HASS ROBERT T17,95820-Nov-09


TOP INSTITUTIONAL HOLDERS
HolderShares% OutValue*Reported
ESSEX INVESTMENT MANAGEMENT CO INC757,6708.46$4,015,65130-Sep-09
SYSTEMATIC FINANCIAL MANAGEMENT, L.P.503,4955.62$2,668,52330-Sep-09
DIMENSIONAL FUND ADVISORS LP420,5734.69$2,229,03630-Sep-09
THOMSON HORSTMANN & BRYANT, INC.344,9003.85$1,827,97030-Sep-09
NEW YORK STATE COMMON RETIREMENT FUND289,0003.23$1,531,70030-Sep-09
OBERWEIS ASSET MANAGEMENT INC.210,2002.35$1,114,06030-Sep-09
MARXE, AUSTIN W. & GREENHOUSE, DAVID M.1,075,03512.00$5,697,68530-Sep-09
CALPERS (CALIFORNIA-PUBLIC EMPLOYEES RETIREMENT SYSTEM)142,4441.59$690,85330-Jun-09
GENDELL, JEFFREY L.134,3001.50$711,79030-Sep-09
ARGENT CAPITAL MANAGEMENT122,5201.37$649,35630-Sep-09

TOP MUTUAL FUND HOLDERS
HolderShares% OutValue*Reported
Managers AMG Funds-Essex Small/Micro Cap Growth Fund216,4092.42$1,071,22431-Aug-09
VANGUARD EXTENDED MARKET INDEX FUND77,721.87$376,94630-Jun-09
DFA U.S. MICRO CAP SERIES62,270.69$260,91130-Apr-09
DFA Tax Managed U.S. Targeted Value Port49,174.55$282,25831-Jul-09
Principal Small Cap Growth Fd II46,364.52$224,86530-Jun-09
DFA U.S. SMALL CAP VALUE SERIES36,666.41$153,63030-Apr-09
DFA U.S. Targeted Value Portfolio34,752.39$145,61030-Apr-09
OBERWEIS MICRO-CAP PORTFOLIO28,200.31$136,77030-Jun-09
DFA U.S. SMALL CAP SERIES24,270.27$101,69130-Apr-09
RiverSource Small Cap Growth23,395.26$113,46530-Jun-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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