WESCO INTERNATIONAL INC (WCC) Institutional Ownership Changes & 13F Activity

WESCO INTERNATIONAL INC (WCC) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Baupost Group, First Eagle U.S. Value, Olstein Capital Management, Third Avenue Management, and Sequoia Financial Advisors.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2018Vulcan Value PartnersSell-133,743845,095$51,931
Q3 2018Renaissance Technologies LLCSell-41,90090,600$5,567
Q3 2018Olstein Capital ManagementSell-5,000226,370$13,910
Q2 2018Vulcan Value PartnersBuy341,462978,838$55,892
Q2 2018Olstein Capital ManagementBuy19,170231,370$13,211
Q1 2018Vulcan Value PartnersBuy157,516637,376$39,549
Q1 2018Renaissance Technologies LLCSell-39,500132,500$8,222
Q4 2017Vulcan Value PartnersSell-771,402479,860$32,702
Q4 2017Renaissance Technologies LLCSell-103,912172,000$11,722
Q4 2017Olstein Capital ManagementSell-65,646212,200$14,461
Q3 2017Vulcan Value PartnersBuy478,3361,251,262$72,886
Q3 2017Renaissance Technologies LLCBuy45,809275,912$16,072
Q3 2017Olstein Capital ManagementBuy9,896277,846$16,185
Q2 2017Renaissance Technologies LLCBuy215,703230,103$13,185
Q2 2017Vulcan Value PartnersBuy209,139772,926$44,289
Q2 2017Olstein Capital ManagementBuy133,390267,950$15,354
Q1 2017Renaissance Technologies LLCSell-51,70014,400$1,002
Q1 2017Olstein Capital ManagementSell-22,200134,560$9,359
Q4 2016Olstein Capital ManagementSell-53,590156,760$10,432
Q4 2016Renaissance Technologies LLCSell-49,60066,100$4,399
Q3 2016Vulcan Value PartnersBuy260,904563,787$34,667
Q3 2016Olstein Capital ManagementSell-5,940210,350$12,934
Q2 2016Vulcan Value PartnersBuy302,883302,883$15,595
Q2 2016Olstein Capital ManagementSell-68,060216,290$11,137
Q1 2016Olstein Capital ManagementSell-51,650284,350$15,545
Q1 2016Renaissance Technologies LLCSell-19,600115,700$6,325
Q4 2015Renaissance Technologies LLCSell-117,700135,300$5,910
Q4 2015Olstein Capital ManagementBuy71,000336,000$14,676
Q3 2015Atlantic Investment ManagementSell-162,9432,085,610$96,918
Q3 2015Olstein Capital ManagementBuy33,000265,000$12,315

Frequently asked questions about WCC activity

  • Which institutional owners are buying WCC?

    Institutional owners buying WCC include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in WCC activity?

    "Buy" means an investor increased their reported position in WCC compared to the prior reporting period. This reflects growing exposure to WESCO INTERNATIONAL INC (WCC) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in WCC increasing?

    Institutional interest in WCC can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.