| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | Anchorage Advisors, LLC | 3,843,320 | 7.92 | $19,370,332 | 30-Sep-09 | | GILDER, GAGNON, HOWE & CO. | 3,671,556 | 7.57 | $18,504,642 | 30-Sep-09 | | JANUS CAPITAL MANAGEMENT, LLC | 3,489,750 | 7.19 | $17,588,340 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 2,215,173 | 4.57 | $11,164,471 | 30-Sep-09 | | Shannon River Fund Management Co., LLC | 1,583,599 | 3.26 | $7,981,338 | 30-Sep-09 | | COLUMBUS CIRCLE INVESTORS | 1,493,217 | 3.08 | $7,525,813 | 30-Sep-09 | | MARXE, AUSTIN W. & GREENHOUSE, DAVID M. | 1,126,619 | 2.32 | $5,678,159 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 1,096,766 | 2.26 | $5,527,700 | 30-Sep-09 | | WELLS FARGO & COMPANY | 988,537 | 2.04 | $4,982,226 | 30-Sep-09 | | S SQUARED TECHNOLOGY CORP. | 857,600 | 1.77 | $4,322,304 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | JANUS VENTURE FUND | 3,140,420 | 6.47 | $15,827,716 | 30-Sep-09 | | EVERGREEN GROWTH FUND | 795,807 | 1.64 | $3,183,228 | 30-Jun-09 | | ISHARES RUSSELL 2000 INDEX FD | 608,269 | 1.25 | $3,065,675 | 30-Sep-09 | | VANGUARD EXPLORER FUND, INC. | 575,855 | 1.19 | $2,309,178 | 31-Jul-09 | | Neuberger & Berman Small Cap Growth Fund | 544,500 | 1.12 | $2,744,280 | 30-Sep-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 351,132 | .72 | $1,404,528 | 30-Jun-09 | | ISHARES RUSSELL 2000 GROWTH INDEX FD | 318,277 | .66 | $1,604,116 | 30-Sep-09 | | VANGUARD EXTENDED MARKET INDEX FUND | 258,679 | .53 | $1,034,716 | 30-Jun-09 | | COLLEGE RETIREMENT EQUITIES FUND-STOCK ACCOUNT | 228,123 | .47 | $912,492 | 30-Jun-09 | | Embarcadero Small Cap Growth Fund | 178,171 | .37 | $712,684 | 30-Jun-09 |
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Value shown is computed using the security's price on the report date given.
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