Investors Should Know VOX Puts Nearly 50% In Just Two Stocks

If you own the S&P 500 and want to increase exposure to a specific sector without changing your portfolio, a focused sector ETF can do that. Vanguard Communication Services Index Fund ETF Shares (NYSEARCA:VOX) delivers concentrated exposure to communication services, letting you double down on companies like Meta and Alphabet without abandoning broad market diversification.

A Bet on Digital Platforms and Telecom Infrastructure

VOX captures growth from companies that connect people and distribute content. The fund concentrates almost entirely on communication services stocks, making it a pure sector play. This focus targets the companies powering digital advertising, content streaming, and the infrastructure that connects consumers—giving investors direct exposure to how people communicate and consume media in the digital age.

The return engine is straightforward: VOX rises when its holdings grow revenue and earnings. Meta Platforms (NASDAQ:META | META Price Prediction) and Alphabet (NASDAQ:GOOGL) together represent nearly half the portfolio, giving investors concentrated exposure to digital advertising and AI infrastructure. When these companies accelerate their advertising revenue and cloud services growth, VOX benefits directly. When that flywheel stalls, the fund suffers.

Beyond the mega-cap tech names, VOX holds traditional telecom providers like AT&T (NYSE:T), Verizon (NYSE:VZ), and T-Mobile (NASDAQ:TMUS), which contribute steady cash flows and modest dividends. The fund also includes streaming platforms, gaming companies, and digital advertising firms. This mix provides some balance, but the top three holdings drive performance.

Performance Relative to Broader Indexes

VOX has delivered solid one-year returns of 15.8% as digital advertising rebounded and AI investments drove growth at its top holdings. However, the longer view reveals underperformance—the fund has trailed the S&P 500 significantly over five years due to the sector’s boom-bust cycles and the weight of slower-growing telecom companies.

Compared to its direct competitor, the Communication Services Select Sector SPDR Fund (NYSEARCA:XLC), VOX has lagged in both one-year and five-year periods, though the gap is not dramatic. Both funds charge low fees, with VOX at 0.09%, making cost differences negligible in the performance equation.

The Tradeoffs You Accept

Concentration defines the VOX experience. The top holdings represent nearly three-quarters of the fund, meaning a stumble at Meta or Alphabet immediately impacts your returns. This makes VOX sensitive to advertising cycles—when consumer sentiment weakens and companies cut ad budgets, the fund feels it directly. Recent consumer sentiment data shows an 18.2% year-over-year decline, illustrating the macro headwinds that can pressure this concentrated bet.

VOX works best as a satellite holding for investors who want to amplify exposure to digital platforms and are comfortable with the volatility that comes with concentrated sector bets.