WCC SCHEDULE 13G/A: SEC filing

Wellington Management Group LLP and affiliated entities

Filed with the SEC on Aug 13, 2026 · accession 0000902219-26-000285

WCC filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Aug 13, 2026. A report the company filed with the SEC (the US market regulator). The stock moved -1.4% by the first close after the filing.

Summary of the filing

Wellington Management Group LLP and affiliated entities filed a joint filing agreement as part of a Schedule 13G/A regarding their passive ownership position in WESCO International, Inc. common stock.

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Key details

Filer / passive institutional holderWellington Management Group LLP

Co-filerWellington Group Holdings LLP

Co-filerWellington Investment Advisors Holdings LLP

Issuer of securities heldWESCO International, Inc.

Compliance manager, wellington management group llpMatthew Revell

How WCC stock reacted

Close before

$364.60

Aug 12, 2026

First close after

-1.42%

$359.41

5 trading days

-5.69%

$343.85

Since filing

-19.73%

$292.68

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Frequently asked questions

What did WCC file with the SEC on Aug 13, 2026?

WCC filed a SCHEDULE 13G/A (SEC filing). Wellington Management Group LLP and affiliated entities filed a joint filing agreement as part of a Schedule 13G/A regarding their passive ownership position in WESCO International, Inc. common stock.

How do I read a SCHEDULE 13G/A?

A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13G/A (schedule 13g/a): A report the company filed with the SEC (the US market regulator).

How did WCC stock react to this filing?

WCC closed at $364.60 before the filing and $359.41 on Aug 13, 2026 (-1.42%). Five trading days later: $343.85 (-5.69%).

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