LB SCHEDULE 13G/A: SEC filing

Horizon Kinetics Asset Management LLC

Filed with the SEC on Nov 9, 2026 · accession 0001056823-26-000024

LB filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Nov 9, 2026. Horizon Kinetics Asset Management LLC filed an amended Schedule 13G reporting beneficial ownership of 5,838,385 shares (19.7%) of LandBridge Corp's Class A Common Stock as of September 30, 2026.

Summary of the filing

Horizon Kinetics Asset Management LLC filed an amended Schedule 13G reporting beneficial ownership of 5,838,385 shares (19.7%) of LandBridge Corp's Class A Common Stock as of September 30, 2026. The filing is a passive investment disclosure with no stated intent to influence control.

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Key details

Shares beneficially owned by Horizon Kinetics Asset Management LLC$5.8M

Filer / beneficial owner of 19.7% of landbridge corp class a common stockHorizon Kinetics Asset Management LLC

Parent company of horizon kinetics asset management llc; may be deemed beneficial ownerHorizon Kinetics Holding Corp

Issuer / subject companyLandBridge Corp

General counselJay Kesslen

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Frequently asked questions

What did LB file with the SEC on Nov 9, 2026?

LB filed a SCHEDULE 13G/A (SEC filing). Horizon Kinetics Asset Management LLC filed an amended Schedule 13G reporting beneficial ownership of 5,838,385 shares (19.7%) of LandBridge Corp's Class A Common Stock as of September 30, 2026. The filing is a passive investment disclosure with no stated intent to influence control.

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).

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