WESCO INTERNATIONAL INC (WCC) Institutional Ownership and Insiders Activity

WESCO INTERNATIONAL INC (WCC) is widely held by institutional investors, with 689 firms reporting positions valued at approximately $16.06B based on SEC Form 13F filings for the quarter ended June 30, 2026.

Blackrock, Inc. is the largest disclosed holder, reporting approximately $3.09B in WCC holdings in its latest filing.

Recent insider activity includes 31 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.