Tetra Tech Inc: Ownership

Ownership Information
Shares Outstanding 61.00 Mil
Institutional Ownership (%)73.36
Top 10 Institutions (%)30.90
Mutual Fund Ownership (%)5.03
5%/Insider Ownership (%).93
Float (%)99.07
Ownership Activity
Description# of HoldersShares
Total Positions 21944,746,904
New Positions280
Soldout Positions900
Net Position Change-88-8,411,830
Buyers1006,213,630
Sellers188-14,625,460
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
Barclays Global Investors, N.A. 3,854,291 134,345 3.6 34,612,936 6.4 0.0 06-30-09
Baron Capital Management, Inc. 3,103,879 1,709,879 122.7 60,516,412 5.1 0.8 06-30-09
Invesco PowerShares Capital Management LLC 2,656,425 -444,969 -14.3 12,900,166 4.4 0.3 06-30-09
Vanguard Group, Inc. 2,599,891 175,919 7.3 25,086,328 4.3 0.0 06-30-09
Pictet Asset Management Ltd. 1,743,700 25,100 1.5 -2,977,529 2.9 0.3 09-30-09
KBC Groep NV 1,249,388 105,145 9.2 363,702 2.1 0.5 09-30-09
State Street Global Advisors (US) 1,035,884 -219,793 -17.5 4,087,380 1.7 0.0 06-30-09
Wasatch Advisors, Inc. 903,103 -11,168 -1.2 7,241,058 1.5 0.7 06-30-09
Invesco Aim Management Group, Inc. 893,582 -372,059 -29.4 -192,640 1.5 0.1 06-30-09
American Century Investment Mgmt. 826,073 -104,466 -11.2 -4,744,225 1.4 0.1 09-30-09
Wellington Management Company, LLP 780,000 -289,400 -27.1 552,628 1.3 0.0 06-30-09
TIAA-CREF 678,174 25,104 3.8 -718,500 1.1 0.0 09-30-09
Turner Investment Partners, Inc. 664,946 -90,516 -12.0 -4,002,969 1.1 0.1 09-30-09
Principal Global Investors (Equity) 618,863 -13,597 -2.2 -1,701,544 1.0 0.1 09-30-09
Leuthold Weeden Capital Management 618,195 -3,265 -0.5 5,045,932 1.0 0.9 06-30-09
*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 11/25/2009 7:39 AM Eastern Time