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Mega Cap
Aerospace & Defense
Stocks Ranked by
Market Capitalization

Name Market cap Price Price
change %
SPCX
1
SpaceX
SPCX
$1.82T
$1.82T $137.95 2.19%
GE icon
2
GE Aerospace
GE
$363B
$363B $349.54 2.25%
RTX icon
3
RTX Corp
RTX
$283B
$283B $210.28 0.51%

Mega Cap Aerospace & Defense Stocks at a Glance

Aerospace and defense companies build aircraft, engines, missiles, satellites, ships, and defense systems, plus the maintenance services behind them. Government budgets and multi-year backlogs give unusual revenue visibility, while commercial aerospace rides the air-travel and jet-delivery cycle.

There are 3 mega cap Aerospace & Defense stocks — companies in the Aerospace & Defense industry with a market cap over $200B — worth a combined $2.46T.

The largest by market cap are SpaceX (SPCX) at $1.82T, GE Aerospace (GE) at $363B and RTX Corp (RTX) at $283B.

Among institutional investors, SpaceX (SPCX) drew the most net new fund positions in Q2 2026: 1,738 funds opened new positions.

  • Combined market cap: $2.46T across 3 stocks.
  • Mega Cap: market cap over $200B.
  • Largest constituent: SpaceX (SPCX), $1.82T market cap.
  • Most net new fund positions in Q2 2026: SpaceX (SPCX), +1,738 holders.

Market caps and prices updated daily; fund activity based on aggregated SEC 13F filings for Q2 2026.