KLA (KLAC) Market Cap 1985–2026

As of October 29, 2026, KLA had a market cap of $218.83 billion, which increased by 5.46% 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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KLA Corp. (KLAC)

🌍 United States 📈 NASDAQ 🏭 Technology 🏢 Semiconductors
Latest Market Cap
$218.83B ▲ 5.46%
Start of 2026
$159.65B ▲ 37.07%
1 Year Ago
$159.92B ▲ 36.84%
All-Time High
$394.37B ▼ 44.51%


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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.

📈 KLA Market Cap History by Year and Month

KLA Market Cap History by Year and Month
Year / MonthMarket Cap% Change
2026$218.83B▲ 37.07%
$218.83B▼ 14.11%
$254.77B▲ 11.10%
$229.31B▼ 4.04%
$238.96B▼ 39.41%
$394.37B▲ 57.10%
$251.03B▲ 9.41%
$229.43B▲ 18.88%
$193B▼ 3.42%
$199.83B▲ 6.51%
$187.62B▲ 17.52%
2025$159.65B▲ 90.59%
2024$83.768B▲ 6.01%
2023$79.016B▲ 47.88%
2022$53.433B▼ 17.65%
All market cap values reflect closing prices for the period shown.

📊 KLA Market Cap and Other Industry Peers

Below are selected companies from the Semiconductors sector / subsector:

  1. $334.63B
  2. $317.77B
  3. $286.03B
  4. $244.33B
  5. $218.83B
  6. $209.95B
  7. $195.98B
  8. $191.44B
  9. $67.1B
  10. $58.91B
  11. $50.39B
  12. $46.32B
  13. $44.05B
  14. $31.04B
  15. $29.29B
  16. $25.68B
  17. $25.16B
  18. $24.43B
  19. $19.28B
  20. $19.01B


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.