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CNM SCHEDULE 13G/A: SEC filing

Capital World Investors

Filed with the SEC on · accession 0001422849-26-000181

CNM filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Nov 13, 2026. Capital World Investors filed an amended Schedule 13G indicating it beneficially owns 8,533,492 shares, or 4.6%, of Core & Main, Inc. common stock as of September 30, 2026. The stock moved +0.9% by the first close after the filing.

Summary of the filing

Capital World Investors filed an amended Schedule 13G indicating it beneficially owns 8,533,492 shares, or 4.6%, of Core & Main, Inc. common stock as of September 30, 2026. The filing is a passive investment disclosure with no intent to influence control of the company.

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Key details

Shares beneficially owned by Capital World Investors$8.5M
Shares outstanding believed by filer$184.2M
Filer / beneficial owner of 4.6% of core & main common stockCapital World Investors
Issuer / subject companyCore & Main, Inc.
Vice president and senior counsel, capital research and management companyTimothy J. Moon

How CNM stock reacted

Close before

$44.62

Nov 12, 2026

First close after

+0.85%

$45.00

5 trading days

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Since filing

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Frequently asked questions

What did CNM file with the SEC on Nov 13, 2026?

CNM filed a SCHEDULE 13G/A (SEC filing). Capital World Investors filed an amended Schedule 13G indicating it beneficially owns 8,533,492 shares, or 4.6%, of Core & Main, Inc. common stock as of September 30, 2026. The filing is a passive investment disclosure with no intent to influence control of the company.

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 CNM stock react to this filing?

CNM closed at $44.62 before the filing and $45.00 on Nov 13, 2026 (+0.85%).

Other CNM SEC filings

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