| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | WELLINGTON MANAGEMENT COMPANY, LLP | 1,762,490 | 9.10 | $36,818,416 | 30-Sep-09 | | WADDELL & REED FINANCIAL INC. | 1,305,258 | 6.74 | $27,266,839 | 30-Sep-09 | | PRICE (T.ROWE) ASSOCIATES INC | 1,143,700 | 5.90 | $23,891,893 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 834,968 | 4.31 | $17,442,481 | 30-Sep-09 | | MASSACHUSETTS FINANCIAL SERVICES CO - OTHER | 815,010 | 4.21 | $17,025,558 | 30-Sep-09 | | Champlain Investment Partners, LLC | 696,105 | 3.59 | $14,541,633 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 657,098 | 3.39 | $13,726,777 | 30-Sep-09 | | Cortina Asset Management, LLC | 607,490 | 3.14 | $12,690,466 | 30-Sep-09 | | TURNER INVESTMENT PARTNERS, INC. | 554,300 | 2.86 | $11,579,327 | 30-Sep-09 | | JANUS CAPITAL MANAGEMENT, LLC | 2,357,399 | 12.17 | $49,246,065 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | JANUS GLOBAL TECHNOLOGY FUND | 1,014,090 | 5.24 | $21,184,340 | 30-Sep-09 | | JANUS VENTURE FUND | 560,075 | 2.89 | $11,699,966 | 30-Sep-09 | | PRICE (T.ROWE) SMALL CAP STOCK FUND | 475,000 | 2.45 | $9,922,750 | 30-Sep-09 | | Ivy Fds VIP-Small Cap Growth Port | 405,300 | 2.09 | $8,016,834 | 30-Jun-09 | | MFS NEW DISCOVERY FUND | 404,290 | 2.09 | $6,816,329 | 31-Aug-09 | | HARTFORD SMALL COMPANY HLS FUND, INC. | 354,000 | 1.83 | $7,002,120 | 30-Jun-09 | | HARTFORD CAPITAL APPRECIATION HLS FUND, INC. | 313,000 | 1.62 | $6,191,140 | 30-Jun-09 | | MFS VARIABLE INSURANCE TRUST-MFS NEW DISCOVERY SERIES | 299,650 | 1.55 | $5,927,077 | 30-Jun-09 | | SEI INSTITUTIONAL INVESTMENT TR-SMALL/MID CAP EQUITY FUN | 250,632 | 1.29 | $4,789,577 | 31-May-09 | | EVERGREEN GROWTH FUND | 247,015 | 1.28 | $4,885,956 | 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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