Communication Services
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Market Capitalization
Communication Services Stocks at a Glance
Communication services companies run the platforms and networks people use to connect and consume content — telecom carriers, media and entertainment producers, social platforms, search engines, and game publishers. Revenue models split between steady subscriptions and cyclical advertising, so the sector blends defensive cash flows with growth-driven platform economics.
There are 290 Communication Services sector stocks tracked by Wall St. Rank, worth a combined $12.5T.
The largest by market cap are Alphabet (Google) Class A (GOOGL) at $4.21T, Alphabet (Google) Class C (GOOG) at $4.17T and Meta Platforms (Facebook) (META) at $1.39T.
Among institutional investors, Nebius Group N.V. (NBIS) drew the most net new fund positions in Q2 2026: 405 funds opened new positions, taking total fund holders up 329 (45%) quarter-over-quarter.
- Combined market cap: $12.5T across 290 stocks.
- Largest constituent: Alphabet (Google) Class A (GOOGL), $4.21T market cap.
- Most net new fund positions in Q2 2026: Nebius Group N.V. (NBIS), +329 holders.
Market caps and prices updated daily; fund activity based on aggregated SEC 13F filings for Q2 2026.