Generated August 15, 2026.
Figures quoted in this analysis are from its generation date and may lag the live snapshot table above, which always shows the latest data.
Overview
QQQ is a mega-cap ETF tracking the Nasdaq-100, capturing 100 of the largest non-financial Nasdaq stocks across technology, consumer, and other sectors. SOXX is a narrower sector ETF tracking US-listed semiconductor companies. The fundamental difference is breadth: QQQ holds a diversified index of large-cap growth names, while SOXX concentrates on a single industry.
How they differ
QQQ's Nasdaq-100 exposure spans technology, consumer discretionary, healthcare, and other sectors; SOXX isolates semiconductor manufacturing and design. That structural difference drives the second major distinction: volatility. SOXX has a beta of 2.32 versus QQQ's 1.26, meaning SOXX amplifies market moves roughly twice as sharply. The yield gap is modest—QQQ distributes 0.45% and SOXX 0.21%—but QQQ's lower expense ratio of 0.18% versus SOXX's 0.35% means the cost of ownership differs meaningfully over time. QQQ's $479B in assets dwarfs SOXX's $47.6B, reflecting their different investor bases and liquidity profiles.
Who each is best for
QQQ: Fits investors seeking broad exposure to large-cap growth stocks with technology as a major but not exclusive holding, moderate volatility tolerance, and preference for liquidity and low cost in a passive holding.
SOXX: Fits investors comfortable with concentrated sector risk who believe semiconductor fundamentals will outpace the broader market or who want to overweight chip-related exposure within a diversified portfolio.
Key risks to know
- Concentration in semiconductors (SOXX): Semiconductor cycles are pronounced. Industry downturns hit revenue and earnings sharply, and regulatory shifts (export controls, manufacturing subsidies) affect the entire sector at once. QQQ's diversified index avoids this single-industry tail risk.
- Higher volatility amplification (SOXX): A beta of 2.32 means SOXX losses accelerate during equity selloffs. A 20% market decline could translate to a 40%+ loss in SOXX, versus roughly 25% in QQQ. This magnification compounds during extended downturns.
- Overlap with QQQ's technology weighting: Semiconductor companies are heavily weighted in the Nasdaq-100 already. Holding both concentrates exposure to chip-industry fundamentals rather than diversifying across them, creating unintended portfolio overlap.
- Smaller asset base and tracking variance (SOXX): With $47.6B versus QQQ's $479B, SOXX may experience larger tracking error and tighter bid-ask spreads during periods of high volume or volatility.
Bottom line
QQQ offers diversified large-cap growth exposure at minimal cost and volatility; SOXX adds concentrated sector leverage if you have a specific semiconductor thesis. If you want broad tech-heavy equity beta with stability, QQQ's breadth and lower cost stand out. If you're betting on semiconductor outperformance and can absorb double-strength drawdowns, SOXX's sector focus aligns with that conviction—but verify your portfolio doesn't already load up on chip stocks through QQQ or other holdings. Past performance doesn't predict future results.
AI-generated analysis for educational purposes only. Verify important details independently; past performance does not guarantee future results.