Allegro Microsystems (ALGM) Market Cap 2020–2026

As of October 29, 2026, Allegro Microsystems had a market cap of $6.154 billion, which decreased by 6.62% 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
Allegro Microsystems logo

Allegro Microsystems Inc. (ALGM)

🌍 United States 📈 NASDAQ 🏭 Technology 🏢 Semiconductors
Latest Market Cap
$6.154B ▼ 6.62%
Start of 2026
$4.883B ▲ 26.03%
1 Year Ago
$5.601B ▲ 9.87%
All-Time High
$12.9B ▼ 52.29%


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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.

📈 Allegro Microsystems Market Cap History by Year and Month

Allegro Microsystems Market Cap History by Year and Month
Year / MonthMarket Cap% Change
2026$6.154B▲ 26.03%
$6.154B▼ 9.14%
$6.773B▲ 0.28%
$6.754B▼ 12.19%
$7.692B▼ 40.37%
$12.9B▲ 44.72%
$8.914B▼ 0.81%
$8.987B▲ 53.83%
$5.842B▼ 13.55%
$6.758B▼ 1.10%
$6.833B▲ 39.93%
2025$4.883B▲ 21.38%
2024$4.023B▼ 31.16%
2023$5.844B▲ 1.69%
2022$5.747B▼ 16.31%
All market cap values reflect closing prices for the period shown.

📊 Allegro Microsystems Market Cap and Other Industry Peers

Below are selected companies from the Semiconductors sector / subsector:

  1. $31.04B
  2. $29.29B
  3. $25.68B
  4. $25.16B
  5. $24.43B
  6. $19.28B
  7. $19.01B
  8. $14.61B
  9. $14.13B
  10. $13.46B
  11. $10.88B
  12. $10.21B
  13. $9.75B
  14. $6.15B
  15. $5.74B
  16. $4.02B
  17. $3.93B
  18. $3.88B
  19. $3.42B
  20. $1.88B

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.