TMAT vs. MGK
Compare and contrast key facts about Main Thematic Innovation ETF (TMAT) and Vanguard Mega Cap Growth ETF (MGK).
TMAT and MGK are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. TMAT is a passively managed fund by Main Management that tracks the performance of the MSCI ACWI Index. It was launched on Jan 29, 2021. 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 TMAT 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
TMAT vs. MGK - Performance Comparison
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TMAT vs. MGK - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
TMAT Main Thematic Innovation ETF | -7.28% | 20.06% | 27.20% | 32.32% | -39.29% | -17.01% |
MGK Vanguard Mega Cap Growth ETF | -10.90% | 20.67% | 32.94% | 51.67% | -33.59% | 29.84% |
Returns By Period
In the year-to-date period, TMAT achieves a -7.28% return, which is significantly higher than MGK's -10.90% return.
TMAT
- 1D
- 3.34%
- 1M
- -6.40%
- YTD
- -7.28%
- 6M
- -14.30%
- 1Y
- 31.19%
- 3Y*
- 17.95%
- 5Y*
- -0.47%
- 10Y*
- —
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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TMAT vs. MGK - Expense Ratio Comparison
TMAT has a 1.49% expense ratio, which is higher than MGK's 0.05% expense ratio.
Return for Risk
TMAT vs. MGK — Risk / Return Rank
TMAT
MGK
TMAT vs. MGK - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Main Thematic Innovation ETF (TMAT) 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.
| TMAT | MGK | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.05 | 0.84 | +0.22 |
Sortino ratioReturn per unit of downside risk | 1.58 | 1.36 | +0.22 |
Omega ratioGain probability vs. loss probability | 1.21 | 1.19 | +0.02 |
Calmar ratioReturn relative to maximum drawdown | 1.34 | 1.16 | +0.18 |
Martin ratioReturn relative to average drawdown | 3.34 | 4.07 | -0.72 |
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
| TMAT | MGK | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.05 | 0.84 | +0.22 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.02 | 0.55 | -0.57 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.77 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.04 | 0.60 | -0.64 |
Correlation
The correlation between TMAT and MGK is 0.78, 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
TMAT vs. MGK - Dividend Comparison
TMAT's dividend yield for the trailing twelve months is around 0.02%, less than MGK's 0.39% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
TMAT Main Thematic Innovation ETF | 0.02% | 0.02% | 0.00% | 0.00% | 0.34% | 0.20% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
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
TMAT vs. MGK - Drawdown Comparison
The maximum TMAT drawdown since its inception was -58.55%, which is greater than MGK's maximum drawdown of -47.97%. Use the drawdown chart below to compare losses from any high point for TMAT and MGK.
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Drawdown Indicators
| TMAT | MGK | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -58.55% | -47.97% | -10.58% |
Max Drawdown (1Y)Largest decline over 1 year | -21.63% | -16.85% | -4.78% |
Max Drawdown (5Y)Largest decline over 5 years | -52.61% | -36.01% | -16.60% |
Max Drawdown (10Y)Largest decline over 10 years | — | -36.01% | — |
Current DrawdownCurrent decline from peak | -19.01% | -13.57% | -5.44% |
Average DrawdownAverage peak-to-trough decline | -33.07% | -7.51% | -25.56% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 8.70% | 4.81% | +3.89% |
Volatility
TMAT vs. MGK - Volatility Comparison
Main Thematic Innovation ETF (TMAT) has a higher volatility of 7.90% compared to Vanguard Mega Cap Growth ETF (MGK) at 7.01%. This indicates that TMAT'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
| TMAT | MGK | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.90% | 7.01% | +0.89% |
Volatility (6M)Calculated over the trailing 6-month period | 18.68% | 12.88% | +5.80% |
Volatility (1Y)Calculated over the trailing 1-year period | 29.80% | 23.33% | +6.47% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 30.48% | 22.64% | +7.84% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 30.78% | 21.82% | +8.96% |