v3.26.1
Employee Benefit Plan, Schedule, Asset Held for Investment (Tables)
 12 Months Ended
Dec. 31, 2025
WESCO DISTRIBUTION, INC. RETIREMENT SAVINGS PLAN  
EBP, Schedule of Asset Held for Investment [Line Items]  
EBP, Schedule of Asset Held for Investment
WESCO Distribution, Inc.
Retirement Savings Plan
Schedule H (Form 5500), line 4(i) - Schedule of Assets (Held at End of Year)
As of December 31, 2025
EIN 25-1723345, Plan Number 001
(a)(b)(c)(d)(e)
Description of Investment
Identity of Issue,Including Maturity Date,
Borrower, Lessor orRate of Interest, Collateral,Current
Similar PartyPar, or Maturity Value
Cost (1)
Value
GABELLIGabelli U.S. Treasury Money Market Fund Class AAA$33,848,462 
BARON FUNDSBaron Small Cap Fund Class R-615,841,050 
COHEN & STEERSCohen & Steers Global Realty Shares, Inc. Class Z3,291,053 
*FIDELITYFidelity Inflation-Protected Bond Index Fund5,513,192 
*FIDELITYFidelity U.S. Bond Index Fund29,957,259 
HARTFORD FUNDSHartford International Opportunities Fund Class R671,010,098 
MFS FAMILY OF FUNDSMFS Value Fund (Class R6)46,900,764 
NATIXIS FUNDSLoomis Sayles Investment Grade Bond Fund Class N44,370,439 
PIMCOPIMCO High Yield Fund Institutional Class5,604,379 
UNDISCOVERED MANAGERSUndiscovered Managers Behavioral Value Fund Class R612,836,513 
VANGUARDTotal International Bond Index Fund Admiral3,658,157 
Registered Investment Companies Total238,982,904 
*WESCO INTERNATIONAL, INC.Wesco Stock Fund14,278,347 
*FIDELITYCash and Cash Equivalents8,572,556 
VariousCommon Stock19,771,923 
*VariousMutual Funds22,835,091 
Self-Directed Accounts Total51,179,570 
LOOMIS SAYLESLoomis Sayles Large Cap Growth Trust Class C287,571,617 
CAPITALGROUPGreat Gray Capital Group 2010 Target Date Trust Class MS6,775,539 
CAPITALGROUPGreat Gray Capital Group 2015 Target Date Trust Class MS6,911,204 
CAPITALGROUPGreat Gray Capital Group 2020 Target Date Trust Class MS36,478,385 
CAPITALGROUPGreat Gray Capital Group 2025 Target Date Trust Class MS94,805,984 
CAPITALGROUPGreat Gray Capital Group 2030 Target Date Trust Class MS218,752,302 
CAPITALGROUPGreat Gray Capital Group 2035 Target Date Trust Class MS183,530,535 
CAPITALGROUPGreat Gray Capital Group 2040 Target Date Trust Class MS185,439,648 
CAPITALGROUPGreat Gray Capital Group 2045 Target Date Trust Class MS131,164,596 
CAPITALGROUPGreat Gray Capital Group 2050 Target Date Trust Class MS97,104,808 
CAPITALGROUPGreat Gray Capital Group 2055 Target Date Trust Class MS77,549,894 
CAPITALGROUPGreat Gray Capital Group 2060 Target Date Trust Class MS38,807,129 
CAPITALGROUPGreat Gray Capital Group 2065 Target Date Trust Class MS16,495,187 
CAPITALGROUPGreat Gray Capital Group 2070 Target Date Trust Class MS139,396 
*SPARTANSpartan 500 Index Pool Class C213,195,324 
*SPARTANSpartan Mid Cap Index Pool Class C118,462,133 
*SPARTANSpartan Small Cap Index Pool Class C21,117,593 
*SPARTANSpartan Total International Index Pool Class C31,743,664 
Collective Investment Trust Fund Total1,766,044,938 
Stable Value Fund (Lincoln)Fully Benefit-Responsive Investment Contract85,404,701 
*Participant Loans
3.25% - 10.50% with maturity dates through 2031
24,540,339 
**Total Investments$2,214,279,261 
(1)Cost for participant directed investments is not required and therefore omitted.
*Denotes a party-in-interest to the Plan.
**
All investments are stated at fair value as of December 31, 2025 with the exception of the Stable Value Fund (Lincoln), which is stated at contract value.