IRIS International Inc: Ownership

Ownership Information
Shares Outstanding 18.00 Mil
Institutional Ownership (%)65.32
Top 10 Institutions (%)48.30
Mutual Fund Ownership (%).88
5%/Insider Ownership (%)2.75
Float (%)97.25
Ownership Activity
Description# of HoldersShares
Total Positions 7111,757,865
New Positions70
Soldout Positions450
Net Position Change-22-1,788,994
Buyers401,599,337
Sellers62-3,388,331
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
Brown Capital Management, Inc. 3,263,642 424,219 14.9 8,253,135 18.1 1.8 12-31-09
Ashford Capital Management, Inc. 1,077,132 -4,368 -0.4 -590,108 6.0 1.9 09-30-09
BlackRock Institutional Trust Company, N.A. 919,385 51,605 5.9 149,247 5.1 0.0 09-30-09
Vanguard Group, Inc. 725,217 17,230 2.4 -159,295 4.0 0.0 09-30-09
New York State Common Retirement System 571,869 107,851 23.2 986,708 3.2 0.0 09-30-09
William Blair & Company, L.L.C. 519,585 34,950 7.2 152,618 2.9 0.0 09-30-09
Dimensional Fund Advisors, LP 439,702 -3,415 -0.8 -260,148 2.4 0.0 09-30-09
Epoch Investment Partners, Inc. 404,210 3,950 1.0 -155,495 2.2 0.1 09-30-09
Disciplined Growth Investors, Inc 394,820 -9,200 -2.3 -305,970 2.2 0.4 09-30-09
State Street Global Advisors (US) 369,529 91,188 32.8 891,254 2.0 0.0 09-30-09
Chinook Capital Management, LLC 344,740 61,717 21.8 555,891 1.9 1.2 09-30-09
RBC Global Asset Management (U.S.) Inc. 338,835 338,835 100.0 3,828,836 1.9 0.1 09-30-09
Kopp Investment Advisors, LLC 316,379 -8,785 -2.7 -261,852 1.8 1.4 09-30-09
Rice Hall James & Associates, LLC 189,878 25,372 15.4 204,450 1.1 0.2 09-30-09
TIAA-CREF 167,783 -1,256 -0.7 -98,712 0.9 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 3:13 AM Eastern Time