WESCO INTERNATIONAL INC (WCC) Stock Institutional Trading Activity


WESCO INTERNATIONAL INC (WCC) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Hancock Classic Value, Baupost Group, Olstein Capital Management, Third Avenue Management, and Renaissance Technologies LLC. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2017Olstein Capital ManagementSell-65,646212,200$14,461
Q4 2017Vulcan Value PartnersSell-771,402479,860$32,702
Q3 2017Renaissance Technologies LLCBuy45,809275,912$16,072
Q3 2017Olstein Capital ManagementBuy9,896277,846$16,185
Q3 2017Vulcan Value PartnersBuy478,3361,251,262$72,886
Q2 2017Renaissance Technologies LLCBuy215,703230,103$13,185
Q2 2017Olstein Capital ManagementBuy133,390267,950$15,354
Q2 2017Vulcan Value PartnersBuy209,139772,926$44,289
Q1 2017Renaissance Technologies LLCSell-51,70014,400$1,002
Q1 2017Olstein Capital ManagementSell-22,200134,560$9,359
Q4 2016Renaissance Technologies LLCSell-49,60066,100$4,399
Q4 2016Olstein Capital ManagementSell-53,590156,760$10,432
Q3 2016Olstein Capital ManagementSell-5,940210,350$12,934
Q3 2016Vulcan Value PartnersBuy260,904563,787$34,667
Q2 2016Olstein Capital ManagementSell-68,060216,290$11,137
Q2 2016Vulcan Value PartnersBuy302,883302,883$15,595
Q1 2016Renaissance Technologies LLCSell-19,600115,700$6,325
Q1 2016Olstein Capital ManagementSell-51,650284,350$15,545
Q4 2015Renaissance Technologies LLCSell-117,700135,300$5,910
Q4 2015Olstein Capital ManagementBuy71,000336,000$14,676
Q3 2015Olstein Capital ManagementBuy33,000265,000$12,315
Q3 2015Atlantic Investment ManagementSell-162,9432,085,610$96,918
Q2 2015Olstein Capital ManagementSell-7,000232,000$15,924
Q2 2015Atlantic Investment ManagementBuy1,250,9712,248,553$154,340,678
Q1 2015ValueAct HoldingsBuy1,064,8001,064,800$74,419
Q1 2015Olstein Capital ManagementBuy83,000239,000$16,704
Q1 2015Renaissance Technologies LLCBuy83,000253,000$17,682
Q1 2015Atlantic Investment ManagementBuy997,582997,582$69,721
Q4 2014Olstein Capital ManagementBuy55,000156,000$11,889
Q3 2014Olstein Capital ManagementBuy62,000101,000$7,904

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.