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Wednesday, February 10, 2010, 4:52AM ET - U.S. Markets open in 4 hours and 38 minutes. Dow Up 1.52% Nasdaq  0.00%
ATP Oil & Gas Corp. (ATPG)On Feb 9: 14.30   0.00 (0.00%)  
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Major HoldersGet Major Holders for:
BREAKDOWN
% of Shares Held by All Insider and 5% Owners: 15%
% of Shares Held by Institutional & Mutual Fund Owners: 57%
% of Float Held by Institutional & Mutual Fund Owners: 66%
Number of Institutions Holding Shares: 127

MAJOR DIRECT HOLDERS (FORMS 3 & 4)
HolderSharesReported
BULMAHN T PAUL6,007,2528-Jan-10
SELDIN PETER KN/A12-Nov-08
CENTENNIAL ENERGY PARTNERS LLCN/A18-Jun-09
REESE ALBERT L JR246,37021-Dec-09
TATE LELAND E120,9011-Jan-10


TOP INSTITUTIONAL HOLDERS
HolderShares% OutValue*Reported
SELDIN, PETER, K.4,686,3629.26$83,839,01630-Sep-09
Aletheia Research & Management, Inc.2,945,9455.82$52,702,95630-Sep-09
DIMENSIONAL FUND ADVISORS LP2,200,3134.35$39,363,59930-Sep-09
Barclays Global Investors UK Holdings Ltd1,931,7973.82$34,559,84830-Sep-09
VANGUARD GROUP, INC. (THE)1,776,7993.51$31,786,93430-Sep-09
GREENLIGHT CAPITAL, INC.1,332,0002.63$23,829,48030-Sep-09
INSIGHT CAPITAL RESEARCH & MANAGEMENT INC.1,330,9132.63$23,810,03330-Sep-09
GILDER, GAGNON, HOWE & CO.1,164,3352.30$20,829,95330-Sep-09
SOROS FUND MANAGEMENT LLC800,0001.58$14,312,00030-Sep-09
STATE STREET CORPORATION747,9921.48$13,381,57630-Sep-09

TOP MUTUAL FUND HOLDERS
HolderShares% OutValue*Reported
DFA U.S. SMALL CAP VALUE SERIES804,6591.59$6,236,10731-Jul-09
ISHARES RUSSELL 2000 INDEX FD511,0291.01$8,150,91230-Nov-09
VANGUARD SMALL-CAP INDEX FUND463,564.92$3,226,40530-Jun-09
VANGUARD SMALL-CAP GROWTH INDEX FUND372,894.74$6,671,07330-Sep-09
VANGUARD TOTAL STOCK MARKET INDEX FUND240,340.48$1,672,76630-Jun-09
BRUCE FUND INC238,500.47$4,266,76530-Sep-09
ISHARES RUSSELL 2000 VALUE INDEX FD229,138.45$3,654,75130-Nov-09
AMERICAN CENTURY NEW OPPORTUNITIES II FUND214,718.42$3,841,30530-Sep-09
Allegiant Small Cap Core Fd210,300.42$2,344,84531-Aug-09
Blackrock Funds-Energy & Resources Portfolio168,800.33$1,174,84830-Jun-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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