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Mega Cap
Software - Infrastructure
Stocks Ranked by
Market Capitalization

Name Market cap Price Price
change %
MSFT icon
1
Microsoft
MSFT
$3.65T
$3.65T $491.71 0.9%
ORCL icon
2
Oracle
ORCL
$417B
$417B $144.76 1.62%
PLTR icon
3
Palantir
PLTR
$415B
$415B $172.73 1.8%
PANW icon
4
Palo Alto Networks
PANW
$277B
$277B $339.90 3.13%

Mega Cap Software - Infrastructure Stocks at a Glance

Infrastructure software companies provide the platforms applications run on — operating systems, cloud services, security, and networking software. Deep integration into customer operations makes the revenue base among the stickiest in technology, with cloud consumption driving growth.

There are 4 mega cap Software - Infrastructure stocks — companies in the Software - Infrastructure industry with a market cap over $200B — worth a combined $4.76T.

The largest by market cap are Microsoft (MSFT) at $3.65T, Oracle (ORCL) at $417B and Palantir (PLTR) at $415B.

Among institutional investors, Palo Alto Networks (PANW) drew the most net new fund positions in Q2 2026: 592 funds opened new positions, taking total fund holders up 421 (17%) quarter-over-quarter.

  • Combined market cap: $4.76T across 4 stocks.
  • Mega Cap: market cap over $200B.
  • Largest constituent: Microsoft (MSFT), $3.65T market cap.
  • Most net new fund positions in Q2 2026: Palo Alto Networks (PANW), +421 holders.

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