DexCom Inc: Ownership

Ownership Information
Shares Outstanding 46.00 Mil
Institutional Ownership (%)92.48
Top 10 Institutions (%)49.20
Mutual Fund Ownership (%)1.80
5%/Insider Ownership (%)10.78
Float (%)89.23
Ownership Activity
Description# of HoldersShares
Total Positions 10942,539,064
New Positions230
Soldout Positions260
Net Position Change-81,222,550
Buyers528,794,046
Sellers60-7,571,496
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
Federated Investors, Inc. 5,126,065 0 0.0 8,919,353 11.1 0.2 09-30-09
TCW Asset Management Company 3,087,541 448,650 17.0 8,149,465 6.7 0.1 09-30-09
Frontier Capital Management Company, LLC 2,650,968 2,650,968 100.0 21,022,176 5.8 0.4 09-30-09
MFS Investment Management 1,966,179 289,670 17.3 5,214,208 4.3 0.0 09-30-09
Lord, Abbett & Co. LLC 1,844,522 196,235 11.9 4,593,683 4.0 0.0 06-30-09
Cypress Funds, L.L.C. 1,737,200 -15,100 -0.9 2,929,259 3.8 6.9 09-30-09
Barclays Global Investors, N.A. 1,685,557 388,617 30.0 5,064,266 3.7 0.0 06-30-09
Vanguard Group, Inc. 1,618,779 799,766 97.7 6,629,528 3.5 0.0 06-30-09
S Squared Technology, LLC 1,571,300 0 0.0 3,221,165 3.4 1.8 06-30-09
Sectoral Asset Management Inc. 1,353,622 0 0.0 2,355,302 2.9 0.4 09-30-09
Manning & Napier Advisors, Inc. 1,288,379 -1,909,320 -59.7 -9,576,912 2.8 0.1 09-30-09
Pioneer Investment Management, Inc. 1,187,068 402,068 51.2 4,554,299 2.6 0.0 09-30-09
Pequot Capital Management, Inc. 1,100,000 0 0.0 2,255,000 2.4 1.3 06-30-09
Wellington Management Company, LLP 1,007,400 -146,200 -12.7 1,459,902 2.2 0.0 06-30-09
Pier Capital, LLC 944,271 548,723 138.7 5,039,627 2.1 1.3 09-30-09
*Category Headings:
Shs Held - shares held at report date
Shs Chg - position change within reporting period
%Chg - % change
$Chg - market value of the position change
%Out - % of shares outstanding
%Port - % Portfolio
Rpt Date - report date
Page generated 11/24/2009 9:47 PM Eastern Time