The Vanguard Information Technology ETF has delivered a 32.7% return since the start of 2026, significantly outpacing the S&P 500's 12.2% gain over the same period as of September 28. This performance highlights the continued dominance of the information technology sector, which houses many of the largest companies driving the artificial intelligence revolution.
The ETF exclusively invests in information technology stocks, a sector that currently includes six of the 13 U.S. public companies valued at $1 trillion or more. According to portfolio data accurate as of August 31, 2026, these six companies represent a combined 56.6% of the fund's holdings. The largest positions are Nvidia at 17.73%, Apple at 15.79%, and Microsoft at 11.51%. Broadcom, Micron Technology, and Advanced Micro Devices round out the top six with weightings of 4.52%, 4.18%, and 2.95%, respectively.
Strong performance from several of these major holdings is a primary driver of the fund's returns. Four of the top six stocks have outperformed the S&P 500 this year, with two showing particularly wide margins. Additionally, Sandisk, Intel, CrowdStrike, and Palo Alto Networks have each more than doubled in value since January. As top-20 positions within the ETF, these stocks have contributed significantly to the overall gain.
Industry executives point to sustained demand as a key factor behind this momentum. Nvidia chief executive Jensen Huang stated that he expects data center chip sales to double next year due to ongoing AI industry demand. Similarly, Advanced Micro Devices CEO Lisa Su predicts her company's data center revenue will more than double in the coming year. These forecasts suggest that the current boom in AI infrastructure spending is likely to continue supporting semiconductor stocks.
The fund's long-term track record also reflects its outperformance against broader market indices. Since its launch in 2004, the Vanguard Information Technology ETF has produced a compound annual return of 14.9%, compared to the S&P 500's 10.8% annual return over the same timeframe.
However, experts note that concentrating an entire portfolio in a single sector carries inherent risks. Disruptions to the AI boom could trigger significant volatility for tech-focused investments. Several factors are currently introducing uncertainty into the sector's outlook. Lawmakers in more than a dozen U.S. states have introduced legislation aimed at temporarily banning the construction of new data centers while officials assess social, environmental, and economic impacts.
Furthermore, a recent survey by UBS Group found that 60% of businesses are routing some AI workloads to cheaper, more efficient models rather than those from mainstream developers like OpenAI. Because these alternative models typically consume less computing power, this shift toward cost efficiency could reduce future demand for data center chips and components. Such a decrease would negatively impact many of the semiconductor stocks held within the Vanguard ETF.
Given these risks, diversification remains a critical strategy for long-term investors. Holding the Vanguard Information Technology ETF as part of a broader portfolio allows investors to capture its market-beating potential while mitigating the impact of sector-specific volatility.