Company: WCC
Filing Date: 2025-06-17
Form Type: 11-K
Source: 0000929008-25-000018
Chunk: 13

Company: WESCO INTERNATIONAL INC
Filing Date: 2025-06-17
Form: 11-K
Chunk 13
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         | — |     |       |    32,703,816 |
| Total assets in the fair value hierarchy                     |     |                   | 1,374,677,139 |     |         | — |     |         | — |     |       | 1,374,677,139 |
| Investments measured at NAV per share practical expedient(2) |     |                   |             — |     |         | — |     |         | — |     |       |   217,546,170 |
| Investments at fair value                                    |     | $                 | 1,374,677,139 |     | $       | — |     | $       | — |     | $     | 1,592,223,309 |

(1) These investments are comprised of various collective investment trust funds, which are measured at fair value using the NAV per share as a practical expedient, and therefore have not been classified in the fair value hierarchy as of December 31, 2024. These funds include the Loomis Sayles Large Cap Growth Trust Class C fund, various Capital Group target date retirement funds, the Spartan 500 Index Pool Class C fund, the Spartan Mid Cap Index Pool Class C fund, the Spartan Small Cap Index Pool Class C fund, and the Spartan Total International Index Pool Class C fund. The fair value of these funds is presented in the table above to permit reconciliation of the fair value hierarchy to the Statements of Net Assets Available for Benefits.

(2) The Loomis Sayles Large Cap Growth Trust Class C fund is a collective investment trust, which is measured at fair value using the NAV per share as a practical expedient, and therefore has not been classified in the fair value hierarchy as of December 31, 2023 . The fair value of this fund is presented in the table above to permit reconciliation of the fair value hierarchy to the Statements of Net Assets Available for Benefits.

#### 5.

#### The Stable Value Fund
The Plan offers a Stable Value Fund investment option to participants. The Lincoln Stable Value Fund is a fixed annuity contract issued by an insurance company that provides a guarantee of principal and interest backed by a general account of the issuing company. The general account consists of all the assets of the insurance company, including fixed income, equities, real estate, cash and others.

The issuing insurance company is contractually obligated to repay principal and interest at a specified rate to the Plan. There are no reserves against contract value for credit risk of the