CM
WCC

Castleark Management’s WESCO International WCC Stock Holding History

Castleark Management’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
Q1 		$7.77M Sell
28,397
-5,840
-17% -$1.64M 0.26% 94
2025
Q4 		$8.38M Buy
34,237
+1,010
+3% +$248K 0.25% 87
2025
Q3 		$7.03M Buy
33,227
+13,667
+70% +$2.87M 0.2% 116
2025
Q2 		$3.62M Sell
19,560
-12,770
-39% -$2.11M 0.11% 146
2025
Q1 		$5.02M Sell
32,330
-8,800
-21% -$1.57M 0.17% 122
2024
Q4 		$7.44M Buy
+41,130
New +$7.78M 0.26% 80
2023
Q3 		– Sell
-8,739
Closed -$1.56M – 317
2023
Q2 		$1.56M Sell
8,739
-44,460
-84% -$6.48M 0.07% 171
2023
Q1 		$8.22M Hold
53,199
– – 0.4% 46
2022
Q4 		$6.66M Buy
53,199
+11,550
+28% +$1.45M 0.35% 65
2022
Q3 		$4.97M Sell
41,649
-980
-2% -$123K 0.28% 86
2022
Q2 		$4.57M Sell
42,629
-18,245
-30% -$2.25M 0.24% 104
2022
Q1 		$7.92M Sell
60,874
-24,060
-28% -$3.01M 0.34% 67
2021
Q4 		$11.2M Sell
84,934
-49,225
-37% -$6.29M 0.41% 57
2021
Q3 		$15.5M Sell
134,159
-7,470
-5% -$823K 0.59% 37
2021
Q2 		$14.6M Sell
141,629
-8,350
-6% -$830K 0.49% 44
2021
Q1 		$13M Sell
149,979
-11,785
-7% -$992K 0.47% 51
2020
Q4 		$12.7M Sell
161,764
-39,250
-20% -$2.33M 0.48% 42
2020
Q3 		$8.85M Buy
+201,014
New +$8.58M 0.35% 81
2017
Q1 		– Sell
-145,050
Closed -$9.65M – 408
2016
Q4 		$9.65M Buy
+145,050
New +$9.21M 0.31% 105

Other funds holding WCC

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
BG
Baupost Group Boston, Massachusetts $5.12B AUM 15.99% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Castleark Management's WCC Position: Q1 2026 in Review

Castleark Management reduced its WESCO International (WCC) stake by 17% in Q1 2026, selling an estimated $1.64M and leaving 28,397 shares worth $7.77M. The position accounts for 0.26% of the portfolio, ranked #94.

Castleark Management first reported a position in WCC in Q4 2016 and has held it in 19 quarters since. The position peaked at $15.5M in Q3 2021. 619 funds tracked by Wall St. Rank hold WCC as of Q1 2026.

  • Castleark Management held 28,397 shares of WESCO International worth $7.77M as of Q1 2026.
  • Castleark Management sold 5,840 WESCO International shares in Q1 2026, an estimated $1.64M.
  • WESCO International made up 0.26% of Castleark Management's portfolio in Q1 2026, its #94 holding.
  • Castleark Management first reported a position in WESCO International in Q4 2016 and has held it in 19 quarters since.
  • Castleark Management's WESCO International position peaked at $15.5M in Q3 2021.
  • 619 funds tracked by Wall St. Rank held WESCO International as of Q1 2026.

Based on Castleark Management's 13F filing for Q1 2026, filed 15 May 2026.