QQQ vs IWM
NASDAQ 100 (QQQ) vs Russell 2000 (IWM) — Mega-cap tech dominance or small-cap growth potential?
Understanding QQQ and IWM
QQQ (Invesco QQQ Trust) tracks the NASDAQ-100 — the 100 largest non-financial NASDAQ companies. Dominated by mega-cap tech (Apple, Microsoft, NVIDIA), with an average market cap in the hundreds of billions. QQQ represents the largest, most profitable tech companies in the world.
IWM (iShares Russell 2000 ETF) tracks the Russell 2000 index — 2,000 small-cap US companies with market caps typically between $300M and $2B. These smaller companies are more domestically focused, more volatile, and historically have delivered a "small-cap premium" over long periods.
These ETFs represent opposite ends of the market-cap spectrum. QQQ holds mega-cap tech titans, IWM holds thousands of small companies you've never heard of. Over the past decade, QQQ has crushed IWM with +482.59% vs +153.02% returns — a historic period of large-cap tech dominance. But small-caps tend to outperform during economic recoveries and rising-rate environments.
Mega-Caps vs Small-Caps: By the Numbers
Compare QQQ and IWM across key metrics that matter to long-term investors: expense ratios, historical returns, volatility, and maximum drawdown. The "Winner" column highlights which ETF performs better on each metric.
| Metric | QQQ | IWM | Winner |
|---|---|---|---|
| Expense Ratio | 0.18% | 0.19% | QQQ |
| Total Assets | $395.0B | $74.0B | QQQ |
| Number of Holdings | ~100 | ~2,000 | IWM |
| 1 Year Return | +27.08% | +24.71% | QQQ |
| 5 Year Return | +91.41% | +18.49% | QQQ |
| 10 Year Return | +482.59% | +153.02% | QQQ |
| Volatility (3Y) | 14.3% | 19.2% | QQQ |
| Max Drawdown | -81.1% | -52.5% | IWM |
| Current Price | $593.72 | N/A | — |
Growth of $10,000
The table below shows what $10,000 invested at different points in time would be worth today. The chart visualizes long-term growth starting from the same inception date for both ETFs.
Monthly Returns Comparison
These heatmaps reveal the month-by-month performance patterns of each ETF. Green indicates positive returns, red indicates negative returns, with darker colors showing larger moves. Use these to identify volatility patterns — notice how QQQ tends to have more extreme months driven by tech earnings, while IWM shows broader small-cap volatility patterns.
QQQ Monthly Returns
IWM Monthly Returns
The Small-Cap Premium: Is It Still Real?
For decades, finance professors taught that small-cap stocks earn a "premium" over large-caps — the Fama-French size factor. The theory: smaller companies are riskier, so investors demand higher returns.
What happened? The rise of winner-take-all tech platforms (Google, Amazon, Meta) created unprecedented large-cap concentration. Meanwhile, small-caps face tougher competition, higher interest rate sensitivity, and less access to AI-driven productivity gains.
The contrarian case for IWM: Small-caps are now trading at historically low valuations relative to large-caps. If interest rates fall and the economy broadens beyond tech, small-caps could mean-revert. Every multi-decade trend eventually turns — the question is when, not if.
Why These ETFs Move Differently
QQQ (NASDAQ 100)
- • 100 mega-cap tech companies
- • Average market cap $500B+
- • Tech-heavy, growth-oriented
- • Dominated by a few giant names
- • Best when tech/growth leads markets
IWM (Russell 2000)
- • ~2,000 small-cap companies
- • Average market cap ~$1B
- • Diversified across all sectors
- • No single stock dominates
- • Best during economic recoveries and value rotations
Which Bet Are You Making?
Choose QQQ if you believe mega-cap tech will continue dominating. Choose IWM if you think small-caps are undervalued and due for a comeback. Historically, small-caps outperform over very long periods (50+ years), but the past decade has been all about large-cap tech.
Frequently Asked Questions
Is QQQ better than IWM?
QQQ has massively outperformed IWM over the past decade, driven by tech dominance. But small-caps historically outperform over very long periods.
Why has IWM underperformed QQQ?
Large-cap tech (AI, cloud, digital advertising) has captured most market gains. Small-caps are more sensitive to interest rates and economic cycles.
Should I hold both QQQ and IWM?
Yes, for diversification across market caps. QQQ gives tech/large-cap exposure, IWM adds small-cap exposure that moves differently.
What is the expense ratio for QQQ vs IWM?
QQQ has an expense ratio of 0.18%, while IWM has an expense ratio of 0.19%.
Alternatives to Consider
NASDAQ 100 Alternatives
- • QQQM — Invesco NASDAQ 100 ETF (lower expense ratio than QQQ)
- • ONEQ — Fidelity NASDAQ Composite (broader NASDAQ exposure)
- • TQQQ — ProShares UltraPro QQQ (3x leveraged, short-term only)
- • FNCMX — Fidelity NASDAQ Composite Index Fund (mutual fund)
Small-Cap Alternatives
- • VTWO — Vanguard Russell 2000 ETF (lower fees)
- • VB — Vanguard Small-Cap ETF (broader small-cap)
- • SCHA — Schwab US Small-Cap ETF (1,750 stocks)
- • IJR — iShares Core S&P Small-Cap (tracks S&P 600)
More ETF Comparisons
Last updated: 3/15/2026