IWM vs MDY
IWM vs MDY · Last updated April 5, 2026
| Metric | IWM | MDY | |
|---|---|---|---|
| Price | $251.29 | $622.40 | — |
| Expense Ratio | 0.19% | 0.23% | IWM |
| Dividend Yield | N/A | N/A | — |
| AUM | $74.0B | $25.6B | IWM |
Performance Comparison
| Period | IWM | MDY |
|---|---|---|
| 1M | -1.96% | -2.20% |
| 3M | -0.39% | +0.74% |
| 6M | +2.75% | +4.25% |
| YTD | +2.27% | +3.42% |
| 1Y | +40.18% | +30.22% |
| 3Y | N/A | N/A |
| 5Y | N/A | N/A |
Dividend Comparison
| Ex-Date | Ticker | Amount |
|---|---|---|
| March 20, 2026 | MDY | $1.52 |
| March 17, 2026 | IWM | $0.44 |
| December 19, 2025 | MDY | $2.18 |
| December 16, 2025 | IWM | $0.84 |
| September 19, 2025 | MDY | $1.62 |
| September 16, 2025 | IWM | $0.68 |
| June 20, 2025 | MDY | $1.80 |
| June 16, 2025 | IWM | $0.58 |
| March 21, 2025 | MDY | $1.31 |
| March 18, 2025 | IWM | $0.46 |
| December 20, 2024 | MDY | $2.08 |
| December 17, 2024 | IWM | $0.69 |
| September 25, 2024 | IWM | $0.75 |
| September 20, 2024 | MDY | $1.65 |
| June 21, 2024 | MDY | $2.00 |
| June 11, 2024 | IWM | $0.56 |
| March 21, 2024 | IWM | $0.52 |
| March 15, 2024 | MDY | $1.01 |
| December 20, 2023 | IWM | $0.73 |
| December 15, 2023 | MDY | $1.89 |
Key Differences
IWM (IWM) and MDY (MDY) are both popular exchange-traded funds that investors frequently compare. Here is how they differ based on the latest available data.
On the cost front, IWM (0.19% expense ratio) is more economical than MDY (0.23%). For a $100,000 investment, the annual fee difference is $40.00. Over decades, this cost advantage compounds meaningfully.
In terms of fund size, IWM manages $74.0B compared to MDY's $25.6B. This size advantage typically means IWM has better liquidity, making it easier to trade large positions without significant price impact.
These metrics provide a quantitative foundation for comparing IWM and MDY. Individual investment suitability depends on personal financial circumstances, goals, and risk tolerance.
How to Compare IWM and MDY
- If minimizing costs is a priority, compare the expense ratios: IWM charges 0.19% and MDY charges 0.23%.
- For liquidity, larger funds with higher AUM typically have tighter bid-ask spreads and more efficient trading.
- Review historical performance across different time periods (1-month to 5-year) to understand how each has performed in various market conditions.
Frequently Asked Questions
Is IWM or MDY a better investment?
Whether IWM or MDY is more suitable depends on your individual investment goals, risk tolerance, and time horizon. IWM and MDY differ in key metrics like expense ratio, dividend yield, and assets under management. This page provides objective data to help you compare the two.
What is the expense ratio difference between IWM and MDY?
IWM has an expense ratio of 0.19%, while MDY charges 0.23%. On a $10,000 investment, this 0.04% difference costs approximately $4.00 per year.
Which fund is larger, IWM or MDY?
IWM has $74.0B in assets under management, making it the larger fund. Larger funds tend to have better liquidity and tighter bid-ask spreads.
What are the risks of investing in IWM vs MDY?
Both IWM and MDY carry market risk — their values can decline during market downturns. Past performance does not guarantee future results. Consider factors like volatility, sector concentration, and your own risk tolerance when evaluating either investment.
See how expense ratio differences affect your returns over time → Expense Ratio Calculator