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Tuesday, December 1, 2009, 2:04AM ET - U.S. Markets open in 7 hours and 26 minutes. Dow Up 0.34% Nasdaq Up 0.29%
DexCom, Inc. (DXCM)On Nov 30: 7.25  Up 0.25 (3.57%)  
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HereMajor Holders
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Major HoldersGet Major Holders for:
BREAKDOWN
% of Shares Held by All Insider and 5% Owners: 5%
% of Shares Held by Institutional & Mutual Fund Owners: 97%
% of Float Held by Institutional & Mutual Fund Owners: 102%
Number of Institutions Holding Shares: 111

MAJOR DIRECT HOLDERS (FORMS 3 & 4)
HolderSharesReported
LUCAS DONALD A27,34128-Aug-08
GREGG TERRANCE H30,00012-Nov-09
LUCAS DONALD LN/A5-Feb-09
NELSON GLEN D170,65414-Mar-08
SKYLER JAY SN/A19-May-08


TOP INSTITUTIONAL HOLDERS
HolderShares% OutValue*Reported
TCW GROUP, INC. (THE)3,087,5416.71$24,484,20030-Sep-09
FRONTIER CAPITAL MANAGEMENT COMPANY INC2,650,9685.76$21,022,17630-Sep-09
MASSACHUSETTS FINANCIAL SERVICES CO - OTHER1,966,1794.27$15,591,79930-Sep-09
Barclays Global Investors UK Holdings Ltd1,863,5834.05$14,778,21330-Sep-09
LORD ABBETT & CO1,853,3254.03$14,696,86730-Sep-09
Cypress Funds LLC1,737,2003.77$13,775,99630-Sep-09
VANGUARD GROUP, INC. (THE)1,700,7673.69$13,487,08230-Sep-09
S SQUARED TECHNOLOGY CORP.1,571,3003.41$12,460,40930-Sep-09
SECTORAL ASSET MANAGEMENT, INC.1,353,6222.94$10,734,22230-Sep-09
FEDERATED INVESTORS, INC.5,126,06511.14$40,649,69530-Sep-09

TOP MUTUAL FUND HOLDERS
HolderShares% OutValue*Reported
Manning & Napier Maryland Life Sciences Series Fund2,323,2005.05$14,380,60830-Jun-09
LORD ABBETT DEVELOPING GROWTH FUND1,192,5092.59$7,703,60831-Jul-09
FEDERATED KAUFMANN FUND4,916,80010.68$31,762,52831-Jul-09
MFS NEW DISCOVERY FUND835,8401.82$6,527,91031-Aug-09
MFS VARIABLE INSURANCE TRUST-MFS NEW DISCOVERY SERIES701,4991.52$4,342,27830-Jun-09
ISHARES RUSSELL 2000 INDEX FD673,9471.46$5,344,39930-Sep-09
Pioneer Growth Opportunities Fund530,5761.15$3,284,26530-Jun-09
TCW SMALL CAP GROWTH FUND498,3861.08$3,219,57331-Jul-09
FRANKLIN STRATEGIC SERIES-SMALL CAP GROWTH FUND489,3001.06$3,880,14930-Sep-09
VANGUARD SMALL-CAP INDEX FUND473,5461.03$2,931,24930-Jun-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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