Post Holdings (POST) Market Cap 2012–2026

As of October 29, 2026, Post Holdings had a market cap of $3.589 billion, which increased by 1.70% compared to the previous trading day. Market capitalization, often referred to as market cap, represents the total value of a company's outstanding shares on the stock market and is a common measure of its overall size and valuation.

Data updated: Oct 29, 2026, 4:00 PM ET
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Post Holdings Inc. (POST)

🌍 United States 📈 NYSE 🏭 Consumer Defensive 🏢 Food Products
Latest Market Cap
$3.589B ▲ 1.70%
Start of 2026
$5.166B ▼ 30.53%
1 Year Ago
$5.531B ▼ 35.11%
All-Time High
$8.268B ▼ 56.59%


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Note: Each point on the chart represents the market capitalization at the end of the trading day.
Source: Data compiled from EDGAR filings, Bloomberg and Yahoo Finance.

📈 Post Holdings Market Cap History by Year and Month

Post Holdings Market Cap History by Year and Month
Year / MonthMarket Cap% Change
2026$3.589B▼ 30.53%
$3.589B▲ 12.09%
$3.202B▼ 12.61%
$3.664B▼ 11.56%
$4.143B▲ 3.58%
$4B▼ 3.89%
$4.162B▼ 17.14%
$5.023B▲ 5.95%
$4.741B▼ 7.00%
$5.098B▼ 4.46%
$5.336B▲ 3.29%
2025$5.166B▼ 22.42%
2024$6.659B▲ 24.93%
2023$5.33B▲ 0.51%
2022$5.303B▼ 24.80%
All market cap values reflect closing prices for the period shown.

📊 Post Holdings Market Cap and Other Industry Peers

Below are selected companies from the Consumer Defensive sector / subsector:

  1. $80.07B
  2. $32.2B
  3. $28.35B
  4. $19.4B
  5. $18.45B
  6. $17.82B
  7. $13.49B
  8. $12.59B
  9. $11.5B
  10. $8.7B
  11. $7.34B
  12. $7.31B
  13. $6.73B
  14. $6.57B
  15. $6.26B
  16. $6.03B
  17. $3.71B
  18. $3.59B
  19. $3.22B
  20. $1.31B

Data reflect the most recent market capitalization values available.

Note: Market capitalization figures are based on available sources and may differ slightly from actual values, particularly for historical data.