Vanguard Portfolio Management LLC
Filed with the SEC on · accession 0002100121-26-001079
POST filed a SCHEDULE 13G (schedule 13g) with the SEC on Oct 30, 2026. A report the company filed with the SEC (the US market regulator). The stock moved +1.9% by the first close after the filing.
Vanguard Portfolio Management LLC filed a Schedule 13G reporting beneficial ownership of 2,241,292 shares of Post Holdings, Inc. common stock, representing 5.09% of the class, as of September 30, 2026.
Close before
$81.65
Oct 29, 2026
First close after
+1.92%
$83.22
5 trading days
+3.76%
$84.72
Since filing
+1.71%
$83.05
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Click herePOST filed a SCHEDULE 13G (SEC filing). Vanguard Portfolio Management LLC filed a Schedule 13G reporting beneficial ownership of 2,241,292 shares of Post Holdings, Inc. common stock, representing 5.09% of the class, as of September 30, 2026.
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.
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).
POST closed at $81.65 before the filing and $83.22 on Oct 30, 2026 (+1.92%). Five trading days later: $84.72 (+3.76%).
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