| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | DEERFIELD MANAGEMENT | 4,358,781 | 9.33 | $29,160,244 | 30-Sep-09 | | MASSACHUSETTS FINANCIAL SERVICES CO - OTHER | 2,583,167 | 5.53 | $17,281,387 | 30-Sep-09 | | Cortina Asset Management, LLC | 1,435,019 | 3.07 | $9,600,277 | 30-Sep-09 | | Credit Suisse | 7,201,842 | 15.42 | $48,180,322 | 30-Sep-09 | | Credit Suisse/ | 6,929,260 | 14.84 | $46,356,749 | 30-Sep-09 | | ORBIMED ADVISORS LLC. | 5,718,256 | 12.25 | $38,255,132 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 931,373 | 1.99 | $6,230,885 | 30-Sep-09 | | Adams Street Partners, LLC | 869,125 | 1.86 | $5,814,446 | 30-Sep-09 | | PALO ALTO INVESTORS, LLC | 812,856 | 1.74 | $5,438,006 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 782,922 | 1.68 | $5,237,748 | 30-Sep-09 |
|
| Holder | Shares | % Out | Value* | Reported | | MFS VARIABLE INSURANCE TRUST-MFS NEW DISCOVERY SERIES | 1,115,696 | 2.39 | $7,464,006 | 30-Sep-09 | | MFS NEW DISCOVERY FUND | 862,981 | 1.85 | $5,333,222 | 31-Aug-09 | | DWS Global Opportunities Fd | 410,700 | .88 | $2,747,583 | 30-Sep-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 405,250 | .87 | $2,390,975 | 30-Jun-09 | | MFS Var Ins Tr II-MFS New Discovery Port | 344,390 | .74 | $2,303,969 | 30-Sep-09 | | DFA U.S. MICRO CAP SERIES | 336,545 | .72 | $1,864,459 | 31-Jul-09 | | ISHARES RUSSELL 2000 INDEX FD | 294,362 | .63 | $1,992,830 | 30-Nov-09 | | ISHARES RUSSELL 2000 GROWTH INDEX FD | 162,604 | .35 | $1,100,829 | 30-Nov-09 | | MFS CORE EQUITY FUND | 157,410 | .34 | $972,793 | 31-Aug-09 | | LORD ABBETT SECURITIES TRUST-MICRO-CAP GROWTH FUND | 150,300 | .32 | $832,662 | 31-Jul-09 |
|
|
*
|
Value shown is computed using the security's price on the report date given.
|
|