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Saturday, December 5, 2009, 6:43PM ET - U.S. Markets Closed. Dow Up 0.22% Nasdaq Up 0.98%
Cardiovascular Systems Inc. (CSII)On Dec 4: 5.16  Up 0.19 (3.82%)  
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Major HoldersGet Major Holders for:
BREAKDOWN
% of Shares Held by All Insider and 5% Owners: 29%
% of Shares Held by Institutional & Mutual Fund Owners: 22%
% of Float Held by Institutional & Mutual Fund Owners: 31%
Number of Institutions Holding Shares: 45

MAJOR DIRECT HOLDERS (FORMS 3 & 4)
HolderSharesReported
BORRELL JOHN R23,00029-Dec-08


TOP INSTITUTIONAL HOLDERS
HolderShares% OutValue*Reported
MAVERICK CAPITAL LTD.1,366,8169.30$9,936,75230-Sep-09
WELLINGTON MANAGEMENT COMPANY, LLP510,3903.47$3,710,53530-Sep-09
WASATCH ADVISORS INC337,9952.30$2,457,22330-Sep-09
TPG Capital, L.P.275,2901.87$2,001,35830-Sep-09
Barclays Global Investors UK Holdings Ltd234,5191.60$1,704,95330-Sep-09
Bank of New York Mellon Corporation206,1581.40$1,498,76830-Sep-09
PERKINS CAPITAL MANAGEMENT, INC.188,6001.28$1,371,12230-Sep-09
LORD ABBETT & CO186,9001.27$1,358,76330-Sep-09
PERSEUS, L.L.C.148,7801.01$1,081,63030-Sep-09
SOROS FUND MANAGEMENT LLC148,7801.01$1,081,63030-Sep-09

TOP MUTUAL FUND HOLDERS
HolderShares% OutValue*Reported
ISHARES RUSSELL 2000 INDEX FD131,654.90$957,12430-Sep-09
WASATCH MICROCAP FUND91,360.62$704,38530-Jun-09
ISHARES RUSSELL 2000 GROWTH INDEX FD69,251.47$503,45430-Sep-09
LORD ABBETT SECURITIES TRUST-MICRO-CAP GROWTH FUND62,100.42$623,48431-Jul-09
COLLEGE RETIREMENT EQUITIES FUND-STOCK ACCOUNT42,886.29$330,65130-Jun-09
Managers Trust I-Managers Fremont Micro-Cap Fund34,300.23$344,37231-Jul-09
PROFESSIONALLY MANAGED PORTF-PERKINS DISCOVERY FUND30,000.20$218,10030-Sep-09
VANGUARD EXTENDED MARKET INDEX FUND16,332.11$125,91930-Jun-09
ISHARES Russell Micro Cap (TM) Index Fund13,759.09$100,02730-Sep-09
Valic Company I-Small Cap Index Fd7,281.05$61,30631-Aug-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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