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WESCO INTL INC
WESCO INTL INC. Institutional holdings reported to the SEC.

Institutional Holders (2014Q4)
Portfolio Summary: 241 Institutional holders with a total value of $4,234,439,482.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 FMR LLC 4,186,694 319,068,000 7.54%
2 Boston Partners 2,969,689 226,320,000 5.34%
3 WELLINGTON MANAGEMENT GROUP LLP 2,816,010 214,608,000 5.07%
4 VANGUARD GROUP INC 2,573,748 196,145,000 4.63%
5 EdgePoint Investment Group Inc. 2,094,800 159,645,000 3.77%
6 Invesco Ltd. 2,087,077 159,056,000 3.76%
7 AMERIPRISE FINANCIAL INC 2,065,506 157,374,000 3.72%
8 JANUS HENDERSON INVESTORS US LLC 1,848,874 140,903,000 3.33%
9 COLUMBIA WANGER ASSET MANAGEMENT LLC 1,821,100 138,787,000 3.28%
10 JENNISON ASSOCIATES LLC 1,798,077 137,031,000 3.24%
11 VOYA INVESTMENT MANAGEMENT LLC 1,777,838 135,489,000 3.20%
12 TimesSquare Capital Management, LLC 1,649,940 125,742,000 2.97%
13 BlackRock Institutional Trust Company, N.A. 1,475,105 112,418,000 2.65%
14 Pennant Capital Management, LLC 1,332,685 101,564,000 2.40%
15 HARRIS ASSOCIATES L P 1,280,670 97,600,000 2.30%
16 GOLDMAN SACHS GROUP INC 1,090,747 83,125,000 1.96%
17 WESTWOOD HOLDINGS GROUP INC 1,034,024 78,803,000 1.86%
18 ALLIANCEBERNSTEIN L.P. 1,008,850 76,884,000 1.82%
19 CRAMER ROSENTHAL MCGLYNN LLC 994,171 75,766,000 1.79%
20 FRONTIER CAPITAL MANAGEMENT CO LLC 888,407 67,705,000 1.60%
21 ING GROEP NV 777,495 59,167,000 1.40%
22 TOCQUEVILLE ASSET MANAGEMENT L.P. 638,041 48,625,000 1.15%
23 STATE STREET CORP 630,724 48,067,000 1.14%
24 DEUTSCHE BANK AG\ 616,911 47,014,000 1.11%
25 WESTFIELD CAPITAL MANAGEMENT CO LP 585,051 44,587,000 1.05%
26 BlackRock Group LTD 552,086 42,075,000 0.99%
27 DIMENSIONAL FUND ADVISORS LP 517,194 39,418,000 0.93%
28 ArrowMark Colorado Holdings LLC 462,256 35,229,000 0.83%
29 TIAA CREF INVESTMENT MANAGEMENT LLC 448,903 34,211,000 0.81%
30 GUGGENHEIM CAPITAL LLC 432,344 32,948,000 0.78%
31 LORD, ABBETT & CO. LLC 401,191 30,575,000 0.72%
32 FORT WASHINGTON INVESTMENT ADVISORS INC /OH/ 396,763 30,237,000 0.71%
33 BlackRock Fund Advisors 379,718 28,938,000 0.68%
34 NORGES BANK 376,365 28,683,000 0.68%
35 BASSWOOD CAPITAL MANAGEMENT, L.L.C. 355,565 27,098,000 0.64%
36 LOOMIS SAYLES & CO L P 342,908 26,133,000 0.62%
37 Alyeska Investment Group, L.P. 336,486 25,644,000 0.61%
38 ASCEND CAPITAL, LLC 326,270 24,865,000 0.59%
39 Tensile Capital Management LP 317,143 24,169,000 0.57%
40 Calamos Advisors LLC 306,170 23,333,000 0.55%
41 Gotham Asset Management, LLC 300,722 22,918,000 0.54%
42 EMERALD ADVISERS, LLC 296,504 22,597,000 0.53%
43 Bank of New York Mellon Corp 294,595 22,451,000 0.53%
44 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 290,868 22,167,050 0.52%
45 MILLENNIUM MANAGEMENT LLC 282,972 21,565,000 0.51%
46 GLG Partners LP 275,793 21,018,000 0.50%
47 FIDUCIARY MANAGEMENT ASSOCIATES LLC 272,830 20,792,000 0.49%
48 WELLS FARGO & COMPANY/MN 250,200 19,068,000 0.45%
49 MANAGED ACCOUNT ADVISORS LLC 249,955 19,049,000 0.45%
50 GEODE CAPITAL MANAGEMENT, LLC 239,672 18,264,000 0.43%
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From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.