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Saturday, November 28, 2009, 11:37PM ET - U.S. Markets Closed. Dow Down 1.48% Nasdaq Down 1.73%
Natural Gas Services Group Inc. (NGS)On Nov 27: 17.15  Down 0.60 (3.38%)  
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Major HoldersGet Major Holders for:
BREAKDOWN
% of Shares Held by All Insider and 5% Owners: 18%
% of Shares Held by Institutional & Mutual Fund Owners: 71%
% of Float Held by Institutional & Mutual Fund Owners: 86%
Number of Institutions Holding Shares: 80

MAJOR DIRECT HOLDERS (FORMS 3 & 4)
HolderSharesReported
HENSLEY PAUL D250,0009-Jun-08
YADON RICHARD L164,8179-Jun-08
HUGHES WILLIAM F JRN/A12-May-08
CURTIS CHARLES G23,00012-May-08
WAIT EARL R21,8708-Jun-09


TOP INSTITUTIONAL HOLDERS
HolderShares% OutValue*Reported
FMR LLC1,058,7188.75$18,654,61130-Sep-09
Barclays Global Investors UK Holdings Ltd692,5525.73$12,202,76630-Sep-09
DIMENSIONAL FUND ADVISORS LP554,2094.58$9,765,16230-Sep-09
COLUMBIA PARTNERS, L.L.C, INVESTMENT MANAGEMENT412,3913.41$7,266,32930-Sep-09
WELLINGTON MANAGEMENT COMPANY, LLP344,5002.85$6,070,09030-Sep-09
KEELEY ASSET MANAGEMENT CORP.1,755,00014.51$30,923,10030-Sep-09
BRIDGEWAY CAPITAL MANAGEMENT, INC.234,5661.94$4,133,05230-Sep-09
FORT WASHINGTON INVESTMENT ADVISORS, INC.231,4181.91$4,077,58530-Sep-09
Perimeter Capital Partners LLC228,8831.89$4,032,91830-Sep-09
STATE STREET CORPORATION225,1881.86$3,967,81230-Sep-09

TOP MUTUAL FUND HOLDERS
HolderShares% OutValue*Reported
FIDELITY ADVISOR SMALL CAP FUND807,4046.67$11,537,80331-Aug-09
KEELEY SMALL CAP VALUE FUND, INC.1,755,00014.51$30,923,10030-Sep-09
ISHARES RUSSELL 2000 INDEX FD178,0961.47$3,138,05130-Sep-09
NEUBERGER & BERMAN GENESIS FUND150,0001.24$2,643,00030-Sep-09
ISHARES RUSSELL 2000 VALUE INDEX FD91,646.76$1,614,80230-Sep-09
FIRST AMERICAN SMALL CAP VALUE FUND89,072.74$1,569,44830-Sep-09
BRIDGEWAY FDS INC-ULTRA SMALL COMPANY FD84,800.70$1,127,84030-Jun-09
VANGUARD TOTAL STOCK MARKET INDEX FUND82,953.69$1,103,27430-Jun-09
MFS VARIABLE INSURANCE TRUST-MFS NEW DISCOVERY SERIES79,660.66$1,059,47830-Jun-09
Wells Fargo Advantage Small Company Growth Fd77,781.64$1,370,50130-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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