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Sunday, November 29, 2009, 2:04PM ET - U.S. Markets Closed. Dow Down 1.48% Nasdaq Down 1.73%
Tetra Tech Inc. (TTEK)On Nov 27: 26.75  Down 0.15 (0.56%)  
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HereMajor Holders
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Major HoldersGet Major Holders for:
BREAKDOWN
% of Shares Held by All Insider and 5% Owners: 5%
% of Shares Held by Institutional & Mutual Fund Owners: 84%
% of Float Held by Institutional & Mutual Fund Owners: 88%
Number of Institutions Holding Shares: 223

MAJOR DIRECT HOLDERS (FORMS 3 & 4)
HolderSharesReported
BATRACK DAN L106,67016-Nov-09
BROWNLIE WILLIAM R62,06816-Nov-09
SMITH DOUGLAS G42,39416-Nov-09
PAGENKOPF JAMES R38,47413-Nov-09
LEWIS J CHRISTOPHER33,31816-Nov-09


TOP INSTITUTIONAL HOLDERS
HolderShares% OutValue*Reported
Invesco Ltd.4,346,4287.09$115,310,73430-Sep-09
Barclays Global Investors UK Holdings Ltd4,293,5197.01$113,907,05930-Sep-09
BAMCO INC.3,396,7225.54$90,115,03430-Sep-09
VANGUARD GROUP, INC. (THE)2,670,9294.36$70,859,74630-Sep-09
Pictet Asset Management Ltd1,743,7002.85$46,260,36130-Sep-09
STATE STREET CORPORATION1,337,7572.18$35,490,69330-Sep-09
KBC Group NV1,144,2431.87$32,782,56130-Jun-09
WASATCH ADVISORS INC1,015,3051.66$26,936,04130-Sep-09
MORGAN STANLEY921,5791.50$24,449,49030-Sep-09
American Century Companies, Inc.826,0731.35$21,915,71630-Sep-09

TOP MUTUAL FUND HOLDERS
HolderShares% OutValue*Reported
BARON GROWTH FUND2,450,0004.00$70,192,50030-Jun-09
Powershares Exhg Traded Fd-Powershares Water Resources2,138,8573.49$64,422,37231-Jul-09
ISHARES RUSSELL 2000 INDEX FD885,2321.44$23,485,20430-Sep-09
ISHARES S&P SMALLCAP 600 INDEX FD785,9261.28$20,221,87531-Oct-09
VANGUARD SMALL-CAP INDEX FUND734,2401.20$21,035,97630-Jun-09
VANGUARD TOTAL STOCK MARKET INDEX FUND558,422.91$15,998,79030-Jun-09
VANGUARD EXPLORER FUND, INC.553,486.90$16,670,99831-Jul-09
AMERICAN CENTURY VISTA467,000.76$12,389,51030-Sep-09
VANGUARD SMALL-CAP GROWTH INDEX FUND464,476.76$13,307,23730-Jun-09
ISHARES RUSSELL 2000 GROWTH INDEX FD464,164.76$12,314,27030-Sep-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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