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MGCvsAAUSETF Comparison
Vanguard Mega Cap ETF (MGC) belongs to the US Large Cap segment. Alpha Architect US Equity ETF (AAUS) is part of the US Multi-Factor segment. Both ETFs have the same top 3 sector exposures: Information Technology, Communication Services and Consumer Discretionary. MGC is less expensive with a Total Expense Ratio (TER) of 0.05%, versus 0.15% for AAUS. MGC is down -3.78% year-to-date (YTD) with -$525M in YTD flows. AAUS performs better with -3.25% YTD performance, and -$2M in YTD flows. Run a side-by-side ETF comparison of MGC and AAUS below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
MGC vs AAUS performance and flow charts
Performance
Cumulative Flows
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | MGC AAUS | -2.47%-2.48% | -3.06%-2.75% | -3.78%-3.25% | +22.51%n/a | +86.97%n/a | +84.05%n/a |
| Flows | MGC AAUS | -$151M+$284K | +$231M-$2M | -$525M-$2M | +$1.48B- | +$2.27B- | +$2.48B- |
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | MGC AAUS | +12.07%+11.46% | +18.73%n/a | +15.22%n/a | +17.34%n/a |
| Max drawdown | MGC AAUS | -5.32%-4.92% | -13.99%n/a | -19.36%n/a | -25.79%n/a |
| Max drawdown duration | MGC AAUS | 60d60d | 45dn/a | 126dn/a | 707dn/a |
MGC | AAUS | |
Last sale 3/13/2026 at 1:30 PM | $241.54 | $53.29 |
| Previous close 03/12/2026 | $243.26 | $53.67 |
| Consolidated volume 03/12/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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MGC | AAUS | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
MGC | AAUS | |
|---|---|---|
| Last price | $241.54 | $53.29 |
| 1D performance | -0.71% | -0.71% |
| AuM | $8.97 B | $470.92 M |
| E/R | 0.05% | 0.15% |
MGC | AAUS | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | Vanguard | Alpha Architect |
| Benchmark | CRSP U.S. Mega Cap Index | - |
| N° of holdings | 169 | 258 |
| Asset class | Equities | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | December 17, 2007 | July 23, 2025 |
| ESG | No | No |
Countries
Sectors
Diversification
Total weight of top 15 holdings out of 15
Total weight of top 15 holdings out of 15
Top 15 holdings
How have the MGC and AAUS ETFs performed in 2026?
As of March 13, 2026, MGC is down -3.78% year-to-date (YTD), while AAUS has lost -3.25%. That puts AAUS better performer ahead so far this year.
Which ETF is attracting more investor money: MGC or AAUS?
Year-to-date, the MGC ETF saw -$525M in flows, compared to -$2M for AAUS.
Which ETF is bigger: MGC or AAUS?
As of March 13, 2026, MGC holds $8.97 B in assets under management (AUM), while AAUS manages $470.92 M.
What sectors do the MGC and AAUS ETFs invest in?
MGC leans toward sectors like Information Technology, Communication Services and Consumer Discretionary. Meanwhile, AAUS focuses on Information Technology, Communication Services and Consumer Discretionary.
What are the top holdings of the MGC ETF and AAUS ETF?
MGC top holdings include NVIDIA, APPLE and MICROSOFT-T. AAUS holds in its top three: NVIDIA, APPLE and MICROSOFT-T.
Which ETF is more diversified: MGC or AAUS?
MGC holds 175 securities with 52.77% of its assets in the top 15. AAUS has 266 securities and a top 15 weight of 48.93%.
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