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% of Shares Held by All Insider and 5% Owners:
| 20% | |
% of Shares Held by Institutional & Mutual Fund Owners:
| 19% | |
% of Float Held by Institutional & Mutual Fund Owners:
| 23% | |
Number of Institutions Holding Shares:
| 35 |
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| MAJOR DIRECT HOLDERS (FORMS 3 & 4) |
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| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | KOPP INVESTMENT ADVISORS. INC. | 2,908,039 | 6.37 | $6,252,283 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 1,448,786 | 3.17 | $3,114,889 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 1,058,128 | 2.32 | $2,274,975 | 30-Sep-09 | | RENAISSANCE TECHNOLOGIES, LLC | 532,300 | 1.17 | $1,144,445 | 30-Sep-09 | | WASATCH ADVISORS INC | 440,000 | .96 | $946,000 | 30-Sep-09 | | SAGE ASSET MANAGEMENT | 343,500 | .75 | $738,525 | 30-Sep-09 | | MORGAN STANLEY | 218,302 | .48 | $469,349 | 30-Sep-09 | | CALPERS (CALIFORNIA-PUBLIC EMPLOYEES RETIREMENT SYSTEM) | 165,356 | .36 | $214,962 | 30-Jun-09 | | DIMENSIONAL FUND ADVISORS LP | 161,300 | .35 | $346,795 | 30-Sep-09 | | First Mercantile Trust Company | 146,500 | .32 | $314,975 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 815,775 | 1.79 | $1,060,507 | 30-Jun-09 | | VANGUARD EXTENDED MARKET INDEX FUND | 573,672 | 1.26 | $745,773 | 30-Jun-09 | | OBERWEIS MICRO-CAP PORTFOLIO | 66,600 | .15 | $86,580 | 30-Jun-09 | | ISHARES Russell Micro Cap (TM) Index Fund | 59,664 | .13 | $128,277 | 30-Sep-09 | | SPARTAN EXTENDED MARKET INDEX FUND | 48,360 | .11 | $103,974 | 30-Sep-09 | | VANGUARD INSTITUTIONAL INDEX-INST TOTAL STOCK MARKET IND | 42,753 | .09 | $38,905 | 31-Mar-09 | | DFA U.S. MICRO CAP SERIES | 37,500 | .08 | $45,375 | 30-Apr-09 | | VANGUARD BALANCED INDEX FUND | 21,400 | .05 | $27,820 | 30-Jun-09 | | TFS CAPITAL INVESTMENT TR-TFS MARKET NEUTRAL FUND | 10,726 | .02 | $12,978 | 30-Apr-09 | | SPDR (R) Ser Tr-SPDR (R) DJ Total Market ETF | 7,489 | .02 | $9,735 | 30-Jun-09 |
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*
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Value shown is computed using the security's price on the report date given.
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