Cardiovascular Systems Inc: Ownership

Ownership Information
Shares Outstanding 15.00 Mil
Institutional Ownership (%)18.44
Top 10 Institutions (%)14.20
Mutual Fund Ownership (%).54
5%/Insider Ownership (%).00
Float (%).00
Ownership Activity
Description# of HoldersShares
Total Positions 442,765,758
New Positions120
Soldout Positions110
Net Position Change127,217
Buyers28909,445
Sellers16-902,228
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
Wellington Management Company, LLP 510,390 -5,800 -1.1 -269,290 3.4 0.0 09-30-09
Wasatch Advisors, Inc. 337,995 238,465 239.6 1,689,848 2.3 0.1 09-30-09
BlackRock Institutional Trust Company, N.A. 234,519 10,276 4.6 -23,961 1.6 0.0 09-30-09
Perkins Capital Management, Inc. 188,600 63,900 51.2 409,685 1.3 1.0 09-30-09
Lord, Abbett & Co. LLC 186,900 186,900 100.0 1,358,763 1.3 0.0 09-30-09
Perseus, L.L.C. 148,780 0 0.0 -65,463 1.0 1.8 09-30-09
Soros Fund Management, L.L.C. 148,780 0 0.0 -65,463 1.0 0.0 09-30-09
Duquesne Capital Management, L.L.C. 138,389 0 0.0 -60,891 0.9 0.0 09-30-09
State Street Global Advisors (US) 120,881 48,798 67.7 323,045 0.8 0.0 09-30-09
Wall Street Associates, LLC 108,100 108,100 100.0 785,887 0.7 0.1 09-30-09
TIAA-CREF 57,926 520 0.9 -21,478 0.4 0.0 09-30-09
Northern Trust Investments, N.A. 56,483 48,291 589.5 347,471 0.4 0.0 09-30-09
Dimensional Fund Advisors, LP 55,192 26,586 92.9 180,694 0.4 0.0 09-30-09
Vanguard Group, Inc. 51,566 13,556 35.7 81,828 0.3 0.0 09-30-09
Renaissance Technologies Corp. 42,930 19,200 80.9 129,143 0.3 0.0 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 2/10/2010 4:16 AM Eastern Time