Dawson Geophysical Co: Ownership

Ownership Information
Shares Outstanding 8.00 Mil
Institutional Ownership (%)57.43
Top 10 Institutions (%)33.20
Mutual Fund Ownership (%)1.49
5%/Insider Ownership (%)2.96
Float (%)97.04
Ownership Activity
Description# of HoldersShares
Total Positions 954,594,196
New Positions140
Soldout Positions980
Net Position Change-74-2,258,015
Buyers53791,925
Sellers127-3,049,940
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
Barclays Global Investors, N.A. 544,009 18,613 3.5 9,145,823 7.0 0.0 06-30-09
Dimensional Fund Advisors, LP 419,063 170,098 68.3 4,042,340 5.4 0.0 09-30-09
Royce & Associates, LLC 358,000 0 0.0 -884,260 4.6 0.0 09-30-09
Vanguard Group, Inc. 339,058 40,231 13.5 6,086,717 4.3 0.0 06-30-09
Beddow Capital Management Inc. 335,785 -5,350 -1.6 -989,087 4.3 4.0 09-30-09
Bridgeway Capital Management, Inc. 185,999 0 0.0 3,041,084 2.4 0.2 06-30-09
State Street Global Advisors (US) 132,325 -14,124 -9.6 1,972,840 1.7 0.0 06-30-09
Batterymarch Financial Management, Inc. 131,389 20,962 19.0 2,431,198 1.7 0.0 06-30-09
TIAA-CREF 106,504 7,450 7.5 -40,682 1.4 0.0 09-30-09
Turner Investment Partners, Inc. 102,340 28,280 38.2 591,378 1.3 0.0 09-30-09
Grace & White, Inc. 100,716 -10,700 -9.6 -568,164 1.3 0.6 09-30-09
Signia Capital Management, LLC 99,827 19,956 25.0 349,114 1.3 0.9 09-30-09
Shell Asset Management Company B.V. 97,690 0 0.0 -241,295 1.2 0.1 09-30-09
OppenheimerFunds, Inc. 90,412 -22,268 -19.8 1,177,618 1.2 0.0 06-30-09
Fidelity Management & Research 82,600 -2,400 -2.8 1,318,110 1.1 0.0 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 3:09 AM Eastern Time