Tenaris ADR 2 Ord Shs: Ownership

Ownership Information
Shares Outstanding 590.00 Mil
Institutional Ownership (%)18.53
Top 10 Institutions (%)14.20
Mutual Fund Ownership (%)2.59
5%/Insider Ownership (%)61.00
Float (%)39.00
Ownership Activity
Description# of HoldersShares
Total Positions 192109,324,968
New Positions320
Soldout Positions1280
Net Position Change-73-20,638,704
Buyers11314,477,698
Sellers186-35,116,400
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
Capital World Investors 27,953,718 -1,490,500 -5.1 199,539,776 4.7 0.4 09-30-09
Aberdeen Asset Managers Ltd. 26,310,768 5,662,875 27.4 378,870,528 4.5 6.4 09-30-09
Wentworth, Hauser & Violich, Inc. 10,079,339 178,414 1.8 91,305,040 1.7 3.7 09-30-09
T. Rowe Price Associates, Inc. 4,862,424 346,500 7.7 51,088,960 0.8 0.1 09-30-09
OppenheimerFunds, Inc. 4,047,367 750,500 22.8 55,019,928 0.7 0.3 09-30-09
J.P. Morgan Investment Management Inc. (New York) 2,943,301 -69,172 -2.3 23,383,112 0.5 0.1 09-30-09
Templeton Asset Management (Singapore) Ltd. 2,286,002 0 0.0 19,613,896 0.4 1.9 09-30-09
Renaissance Technologies Corp. 2,036,900 1,391,000 215.4 55,089,240 0.3 0.3 09-30-09
BlackRock Investment Management (UK) Ltd. 1,841,212 262,432 16.6 22,893,760 0.3 0.2 09-30-09
State Street Global Advisors (US) 1,500,117 -310,018 -17.1 4,488,118 0.3 0.0 09-30-09
Fisher Investments 1,422,500 10,225 0.7 10,364,390 0.2 0.2 12-31-09
Capital International, Inc. 1,372,900 -2,093,000 -60.4 -44,815,240 0.2 0.7 09-30-09
Jennison Associates LLC 1,286,800 8,700 0.7 11,275,992 0.2 0.1 09-30-09
BlackRock Advisors (UK) Limited 1,185,847 928,801 361.3 35,289,344 0.2 0.1 09-30-09
Invesco Aim Management Group, Inc. 1,072,566 -25,544 -2.3 8,511,907 0.2 0.1 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 11:46 AM Eastern Time