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Friday, November 27, 2009, 3:18AM ET - U.S. Markets open in 6 hours and 12 minutes. Dow Up 0.29% Nasdaq  0.00%
ADDvantage Technologies Group Inc. (AEY)On Nov 25: 2.20   0.00 (0.00%)  
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Major HoldersGet Major Holders for:
BREAKDOWN
% of Shares Held by All Insider and 5% Owners: 47%
% of Shares Held by Institutional & Mutual Fund Owners: 16%
% of Float Held by Institutional & Mutual Fund Owners: 29%
Number of Institutions Holding Shares: 11

MAJOR DIRECT HOLDERS (FORMS 3 & 4)
HolderSharesReported
CHYMIAK DAVID E2,438,9045-Mar-09
CHYMIAK KENNETH A9,0045-Mar-09
TYDE STEPHEN J26,0045-Mar-09
O KEEFE DANIEL E24,0045-Mar-09
MCGILL JIM10,0045-Mar-09


TOP INSTITUTIONAL HOLDERS
HolderShares% OutValue*Reported
WHITEBOX ADVISORS, LLC442,5134.36$1,017,77930-Sep-09
PERRITT CAPITAL MANAGEMENT, INC.303,6752.99$698,45230-Sep-09
Greenwood Investments, Inc.238,3272.35$548,15230-Sep-09
DIMENSIONAL FUND ADVISORS LP151,6711.49$348,84330-Sep-09
RENAISSANCE TECHNOLOGIES, LLC84,000.83$193,20030-Sep-09
PERKINS CAPITAL MANAGEMENT, INC.60,000.59$138,00030-Sep-09
CALPERS (CALIFORNIA-PUBLIC EMPLOYEES RETIREMENT SYSTEM)18,600.18$30,69030-Jun-09
UBS AG618.01$1,42130-Sep-09
SCHWAB (CHARLES) INVESTMENT MANAGEMENT, INC.50.00$11530-Sep-09

TOP MUTUAL FUND HOLDERS
HolderShares% OutValue*Reported
PERRITT EMERGING OPPORTUNITIES FUND303,6752.99$698,45230-Sep-09
DFA U.S. MICRO CAP SERIES84,803.83$148,40530-Apr-09
PROFESSIONALLY MANAGED PORTF-PERKINS DISCOVERY FUND60,000.59$138,00030-Sep-09
DFA TAX-MANAGED U.S. SMALL CAP PORTFOLIO13,788.14$26,61031-Jul-09
DFA U.S. Core Equity 2 Portfolio6,246.06$10,93030-Apr-09
DFA U.S. Vector Equity Portfolio3,600.04$6,30030-Apr-09
SA FDS INV TR-U.S. SMALL COMPANY FD2,400.02$3,96030-Jun-09
Wilshire Mutual Funds, Inc.-Dow Jones Wilshire 5000 Index Po600.01$84631-Mar-09
DFA U.S. Core Equity 1 Portfolio600.01$1,05030-Apr-09
DFA Investment Dimensions-DFA CSTG&E Social Core Equity 2 Po400.00$77231-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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