IGM vs. MGK
Compare and contrast key facts about iShares Expanded Tech Sector ETF (IGM) and Vanguard Mega Cap Growth ETF (MGK).
IGM and MGK are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. IGM is a passively managed fund by iShares that tracks the performance of the S&P North American Technology Sector Index. It was launched on Mar 13, 2001. MGK is a passively managed fund by Vanguard that tracks the performance of the CRSP US Mega Cap Growth Index. It was launched on Dec 17, 2007. Both IGM and MGK are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.
Performance
IGM vs. MGK - Performance Comparison
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IGM vs. MGK - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IGM iShares Expanded Tech Sector ETF | -8.21% | 26.76% | 36.99% | 60.68% | -35.83% | 25.72% | 45.11% | 41.81% | 2.26% | 37.20% |
MGK Vanguard Mega Cap Growth ETF | -10.90% | 20.67% | 32.94% | 51.67% | -33.59% | 28.58% | 41.01% | 37.38% | -2.91% | 29.49% |
Returns By Period
In the year-to-date period, IGM achieves a -8.21% return, which is significantly higher than MGK's -10.90% return. Over the past 10 years, IGM has outperformed MGK with an annualized return of 20.88%, while MGK has yielded a comparatively lower 16.84% annualized return.
IGM
- 1D
- 4.59%
- 1M
- -4.57%
- YTD
- -8.21%
- 6M
- -5.83%
- 1Y
- 30.94%
- 3Y*
- 28.28%
- 5Y*
- 14.37%
- 10Y*
- 20.88%
MGK
- 1D
- 3.95%
- 1M
- -4.96%
- YTD
- -10.90%
- 6M
- -8.52%
- 1Y
- 19.40%
- 3Y*
- 22.12%
- 5Y*
- 12.38%
- 10Y*
- 16.84%
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IGM vs. MGK - Expense Ratio Comparison
IGM has a 0.46% expense ratio, which is higher than MGK's 0.05% expense ratio.
Return for Risk
IGM vs. MGK — Risk / Return Rank
IGM
MGK
IGM vs. MGK - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Expanded Tech Sector ETF (IGM) and Vanguard Mega Cap Growth ETF (MGK). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
| IGM | MGK | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.16 | 0.84 | +0.33 |
Sortino ratioReturn per unit of downside risk | 1.77 | 1.36 | +0.40 |
Omega ratioGain probability vs. loss probability | 1.25 | 1.19 | +0.06 |
Calmar ratioReturn relative to maximum drawdown | 1.87 | 1.16 | +0.71 |
Martin ratioReturn relative to average drawdown | 6.36 | 4.07 | +2.29 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| IGM | MGK | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.16 | 0.84 | +0.33 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.57 | 0.55 | +0.02 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.86 | 0.77 | +0.08 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.43 | 0.60 | -0.17 |
Correlation
The correlation between IGM and MGK is 0.95, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
IGM vs. MGK - Dividend Comparison
IGM's dividend yield for the trailing twelve months is around 0.18%, less than MGK's 0.39% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IGM iShares Expanded Tech Sector ETF | 0.18% | 0.17% | 0.22% | 0.33% | 0.66% | 0.16% | 0.32% | 0.50% | 0.57% | 0.57% | 0.90% | 0.79% |
MGK Vanguard Mega Cap Growth ETF | 0.39% | 0.35% | 0.43% | 0.50% | 0.70% | 0.41% | 0.65% | 0.85% | 1.12% | 1.23% | 1.53% | 1.43% |
Drawdowns
IGM vs. MGK - Drawdown Comparison
The maximum IGM drawdown since its inception was -65.59%, which is greater than MGK's maximum drawdown of -47.97%. Use the drawdown chart below to compare losses from any high point for IGM and MGK.
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Drawdown Indicators
| IGM | MGK | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -65.59% | -47.97% | -17.62% |
Max Drawdown (1Y)Largest decline over 1 year | -16.44% | -16.85% | +0.41% |
Max Drawdown (5Y)Largest decline over 5 years | -40.68% | -36.01% | -4.67% |
Max Drawdown (10Y)Largest decline over 10 years | -40.68% | -36.01% | -4.67% |
Current DrawdownCurrent decline from peak | -12.61% | -13.57% | +0.96% |
Average DrawdownAverage peak-to-trough decline | -15.32% | -7.51% | -7.81% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.83% | 4.81% | +0.02% |
Volatility
IGM vs. MGK - Volatility Comparison
iShares Expanded Tech Sector ETF (IGM) has a higher volatility of 8.30% compared to Vanguard Mega Cap Growth ETF (MGK) at 7.01%. This indicates that IGM's price experiences larger fluctuations and is considered to be riskier than MGK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IGM | MGK | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.30% | 7.01% | +1.29% |
Volatility (6M)Calculated over the trailing 6-month period | 16.28% | 12.88% | +3.40% |
Volatility (1Y)Calculated over the trailing 1-year period | 26.68% | 23.33% | +3.35% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 25.56% | 22.64% | +2.92% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 24.41% | 21.82% | +2.59% |