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Saturday, November 28, 2009, 3:38PM ET - U.S. Markets Closed. Dow Down 1.48% Nasdaq Down 1.73%
ATP Oil & Gas Corp. (ATPG)On Nov 27: 15.51  Down 0.71 (4.38%)  
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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: 50%
% of Float Held by Institutional & Mutual Fund Owners: 59%
Number of Institutions Holding Shares: 123

MAJOR DIRECT HOLDERS (FORMS 3 & 4)
HolderSharesReported
BULMAHN T PAUL6,799,04218-Mar-09
SELDIN PETER KN/A12-Nov-08
CENTENNIAL ENERGY PARTNERS LLCN/A18-Jun-09
REESE ALBERT L JR324,37029-Jul-08
TATE LELAND E89,9601-Jan-09


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
KOM Capital Management, LLC1,038,2302.05$6,073,64531-Dec-08
SOROS FUND MANAGEMENT LLC800,0001.58$14,312,00030-Sep-09

TOP MUTUAL FUND HOLDERS
HolderShares% OutValue*Reported
ISHARES RUSSELL 2000 INDEX FD521,9971.03$9,338,52630-Sep-09
VANGUARD SMALL-CAP INDEX FUND463,564.92$3,226,40530-Jun-09
VANGUARD SMALL-CAP GROWTH INDEX FUND292,699.58$2,037,18530-Jun-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 FD237,483.47$4,248,57030-Sep-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
COLLEGE RETIREMENT EQUITIES FUND-STOCK ACCOUNT160,870.32$1,119,65530-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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