WESCO International Inc: Ownership

Ownership Information
Shares Outstanding 42.00 Mil
Institutional Ownership (%)107.40
Top 10 Institutions (%)43.90
Mutual Fund Ownership (%)1.36
5%/Insider Ownership (%)6.94
Float (%)93.06
Ownership Activity
Description# of HoldersShares
Total Positions 20245,106,548
New Positions310
Soldout Positions1120
Net Position Change-82-167,278
Buyers11012,743,175
Sellers192-12,910,453
advertisement
Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
Fidelity Management & Research 3,289,580 841,270 34.4 33,434,222 7.8 0.0 09-30-09
Pyramis Global Advisors, LLC 2,904,378 2,658,318 1,080.4 77,484,744 6.9 0.2 09-30-09
AllianceBernstein L.P. 2,175,128 960,759 79.1 32,235,886 5.1 0.0 09-30-09
Wellington Management Company, LLP 2,079,639 654,461 45.9 24,207,146 4.9 0.0 09-30-09
Janus Capital Management LLC 1,775,545 1,597,998 900.0 46,689,920 4.2 0.1 09-30-09
Vanguard Group, Inc. 1,649,481 22,717 1.4 6,770,882 3.9 0.0 09-30-09
Westfield Capital Management Company, LP 1,349,458 329,098 32.3 13,314,576 3.2 0.4 09-30-09
Jacobs Levy Equity Management, Inc. 1,171,365 -203,603 -14.8 -693,887 2.8 0.4 09-30-09
BlackRock Institutional Trust Company, N.A. 1,167,729 -270,760 -18.8 -2,389,170 2.8 0.0 09-30-09
Muhlenkamp & Company, Inc. 869,095 -178,110 -17.0 -1,192,077 2.1 3.6 09-30-09
Putnam Investment Management, L.L.C. 799,976 126,344 18.8 6,171,564 1.9 0.1 09-30-09
TIAA-CREF 763,857 9,649 1.3 3,113,714 1.8 0.0 09-30-09
RiverSource Investments, LLC 713,075 669,055 1,519.9 19,434,300 1.7 0.0 09-30-09
Luther King Capital Management Corp. 670,300 -44,175 -6.2 1,414,186 1.6 0.4 09-30-09
Longbow Capital Partners, L.P. 668,209 208,820 45.5 7,741,318 1.6 4.1 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 1:34 AM Eastern Time