HMH SCHEDULE 13G: SEC filing

Schroder Investment Management Group

Filed with the SEC on Nov 12, 2026 · accession 0001140361-26-043207

HMH filed a SCHEDULE 13G (schedule 13g) with the SEC on Nov 12, 2026. Schroder Investment Management Group filed a Schedule 13G reporting beneficial ownership of 542,414 shares (4.5%) of HMH Holding Inc as of September 30, 2026.

Summary of the filing

Schroder Investment Management Group filed a Schedule 13G reporting beneficial ownership of 542,414 shares (4.5%) of HMH Holding Inc as of September 30, 2026. The filing is a passive investment disclosure under Rule 13d-1(b).

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Key details

Shares beneficially owned$542K

Filer / beneficial ownerSchroder Investment Management Group

Related investment adviserSchroder Investment Management North America Inc.

Issuer / subject companyHMH Holding Inc

Ceo, americasThomas Darnowski

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Frequently asked questions

What did HMH file with the SEC on Nov 12, 2026?

HMH filed a SCHEDULE 13G (SEC filing). Schroder Investment Management Group filed a Schedule 13G reporting beneficial ownership of 542,414 shares (4.5%) of HMH Holding Inc as of September 30, 2026. The filing is a passive investment disclosure under Rule 13d-1(b).

How do I read a SCHEDULE 13G?

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 (schedule 13g): A report the company filed with the SEC (the US market regulator).

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