GBX SCHEDULE 13G: SEC filing
Donald Smith & Co., Inc.
Filed with the SEC on · accession 0000814375-26-000062
GBX filed a SCHEDULE 13G (schedule 13g) with the SEC on Nov 13, 2026. Donald Smith & Co., Inc. filed a Schedule 13G reporting beneficial ownership of 1,753,440 shares (5.67%) of Greenbrier Companies Inc. common stock as of September 30, 2026, alongside DSCO Value Fund, L.P. The stock moved -1.2% by the first close after the filing.
Summary of the filing
Donald Smith & Co., Inc. filed a Schedule 13G reporting beneficial ownership of 1,753,440 shares (5.67%) of Greenbrier Companies Inc. common stock as of September 30, 2026, alongside DSCO Value Fund, L.P. The filing is a passive institutional ownership disclosure under Rule 13d-1(b).
Key details
How GBX stock reacted
Close before
$41.91
Nov 12, 2026
First close after
-1.22%
$41.40
5 trading days
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Since filing
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What did GBX file with the SEC on Nov 13, 2026?
GBX filed a SCHEDULE 13G (SEC filing). Donald Smith & Co., Inc. filed a Schedule 13G reporting beneficial ownership of 1,753,440 shares (5.67%) of Greenbrier Companies Inc. common stock as of September 30, 2026, alongside DSCO Value Fund, L.P. The filing is a passive institutional ownership 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).
How did GBX stock react to this filing?
GBX closed at $41.91 before the filing and $41.40 on Nov 13, 2026 (-1.22%).
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