Hornbeck Offshore Services Inc: Ownership

Ownership Information
Shares Outstanding 26.00 Mil
Institutional Ownership (%)80.34
Top 10 Institutions (%)40.70
Mutual Fund Ownership (%)1.83
5%/Insider Ownership (%)2.74
Float (%)97.26
Ownership Activity
Description# of HoldersShares
Total Positions 15620,888,160
New Positions210
Soldout Positions1070
Net Position Change-99-7,774,905
Buyers704,378,349
Sellers169-12,153,254
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
BlackRock Institutional Trust Company, N.A. 1,708,877 110,134 6.9 12,899,537 6.5 0.0 09-30-09
Fidelity Management & Research 1,587,463 -126,800 -7.4 7,082,394 6.1 0.0 09-30-09
Dimensional Fund Advisors, LP 1,304,095 360,753 38.2 15,762,773 5.0 0.1 09-30-09
Rainier Investment Management, Inc. 1,296,175 -410,820 -24.1 -790,040 5.0 0.2 09-30-09
Water Street Capital, Inc. 1,085,803 108,500 11.1 9,020,220 4.2 1.4 09-30-09
Vanguard Group, Inc. 1,036,895 28,374 2.8 7,004,562 4.0 0.0 09-30-09
Goldman Sachs Asset Management (US) 708,213 698,313 7,053.7 19,306,588 2.7 0.0 09-30-09
Columbia Management Advisors, LLC 674,966 240,923 55.5 9,317,883 2.6 0.0 09-30-09
TAMRO Capital Partners, LLC 596,854 596,854 100.0 16,449,296 2.3 1.4 09-30-09
Integrity Asset Management, LLC 579,686 -23,969 -4.0 3,063,966 2.2 0.7 09-30-09
State Street Global Advisors (US) 565,292 139,785 32.9 6,477,853 2.2 0.0 09-30-09
Pyramis Global Advisors, LLC 534,620 187,870 54.2 7,317,145 2.0 0.0 09-30-09
Principal Global Investors (Equity) 447,356 -10,101 -2.2 2,544,126 1.7 0.1 09-30-09
Wentworth, Hauser & Violich, Inc. 440,296 12,970 3.0 2,994,055 1.7 0.1 09-30-09
Pacific Global Investment Management Co. 398,875 -11,425 -2.8 2,216,678 1.5 3.1 09-30-09
*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 2/10/2010 4:05 AM Eastern Time