William Blair & Company’s WESCO International WCC Stock Holding History

William Blair & Company’s Portfolio WCC Stock Details WCC Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$514K	Buy	1,487 +322	+28%	+$109K	﹤0.01%	1217
2026 Q1	$319K	Buy	1,165 +45	+4%	+$12.6K	﹤0.01%	1312
2025 Q4	$274K	Buy	1,120 +92	+9%	+$22.6K	﹤0.01%	1343
2025 Q3	$217K	Buy	+1,028	New	+$216K	﹤0.01%	1434
2021 Q1	–	Sell	-3,297	Closed	-$259K	–	1912
2020 Q4	$259K	Buy	+3,297	New	+$195K	﹤0.01%	1330

Other funds holding WCC

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

William Blair & Company's WCC Position: Q2 2026 in Review

William Blair & Company increased its WESCO International (WCC) stake by 28% in Q2 2026, buying an estimated $109K and bringing the position to 1,487 shares worth $514K. The position accounts for ﹤0.01% of the portfolio, ranked #1217.

William Blair & Company first reported a position in WCC in Q4 2020 and has held it in 5 quarters since. 702 funds tracked by Wall St. Rank hold WCC as of Q2 2026.

William Blair & Company held 1,487 shares of WESCO International worth $514K as of Q2 2026.
William Blair & Company bought 322 WESCO International shares in Q2 2026, an estimated $109K.
WESCO International made up ﹤0.01% of William Blair & Company's portfolio in Q2 2026, its #1217 holding.
William Blair & Company first reported a position in WESCO International in Q4 2020 and has held it in 5 quarters since.
702 funds tracked by Wall St. Rank held WESCO International as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.