Rocket Lab (RKLB) Market Cap 2021–2026

As of October 29, 2026, Rocket Lab had a market cap of $35.35 billion, which increased by 0.86% 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
Rocket Lab logo

Rocket Lab Corp. (RKLB)

🌍 United States 📈 NASDAQ 🏭 Industrials 🏢 Aerospace & Defense
Latest Market Cap
$35.35B ▲ 0.86%
Start of 2026
$37.26B ▼ 5.13%
1 Year Ago
$29.39B ▲ 20.28%
All-Time High
$86.95B ▼ 59.34%


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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.

📈 Rocket Lab Market Cap History by Year and Month

Rocket Lab Market Cap History by Year and Month
Year / MonthMarket Cap% Change
2026$35.35B▼ 5.13%
$35.35B▼ 15.19%
$41.68B▲ 9.00%
$38.24B▲ 2.25%
$37.4B▼ 36.10%
$58.53B▼ 29.52%
$83.04B▲ 76.76%
$46.98B▲ 28.47%
$36.57B▼ 0.92%
$36.91B▼ 13.70%
$42.77B▲ 14.79%
2025$37.26B▲ 190.01%
2024$12.848B▲ 378.15%
2023$2.687B▲ 50.62%
2022$1.784B▼ 67.73%
All market cap values reflect closing prices for the period shown.

📊 Rocket Lab Market Cap and Other Industry Peers

Below are selected companies from the Aerospace & Defense sector / subsector:

  1. $64.99B
  2. $51.83B
  3. $45.61B
  4. $35.59B
  5. $35.35B
  6. $23.83B
  7. $18.64B
  8. $18.35B
  9. $15.04B
  10. $12.64B
  11. $12.46B
  12. $11.78B
  13. $10.58B
  14. $8.18B
  15. $7.87B
  16. $6.86B
  17. $6.07B
  18. $6.02B
  19. $5.53B
  20. $3.37B

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.