AAUSvsSPYMETF Comparison
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Alpha Architect US Equity ETF (AAUS) belongs to the US Multi-Factor segment. State Street SPDR Portfolio S&P 500 ETF (SPYM) is part of the US Large Cap segment. Both ETFs have the same top 3 sector exposures: Technology, Finance and Consumer Non-Cyclicals. AAUS is more expensive with a Total Expense Ratio (TER) of 0.09%, versus 0.02% for SPYM. AAUS is up 7.46% year-to-date (YTD) with -$31M in YTD flows. SPYM performs better with 8.99% YTD performance, and +$52.01B in YTD flows. Run a side-by-side ETF comparison of AAUS and SPYM below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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AAUS vs SPYM performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 07/27/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | AAUS SPYM | -0.07%-0.30% | +3.40%+3.62% | +7.46%+8.99% | +17.38%+17.38% | n/a+69.94% | n/a+80.76% |
| Flows | AAUS SPYM | -$20M+$8.44B | -$28M+$19.56B | -$31M+$52.01B | -$34M+$63.25B | -+$107.65B | -+$115.01B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | AAUS SPYM | +12.57%+12.87% | +12.74%+12.71% | n/a+15.04% | n/a+16.99% |
| Max drawdown | AAUS SPYM | -4.54%-4.46% | -9.13%-8.89% | n/a-18.74% | n/a-24.50% |
| Max drawdown duration | AAUS SPYM | 56d55d | 92d76d | n/a126d | n/a708d |
Trading data
AAUS | SPYM | |
Last sale 7/28/2026 at 1:30 PM | $59.42 | |
| Previous close 07/27/2026 | $59.18 | |
| Consolidated volume 07/27/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of June 30, 2026
1-year trailing difference
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AAUS
is actively managed and doesn’t replicate an indexAAUS | SPYM | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 7/28/2026 at 1:30 PM
Live
Closed
AAUS | SPYM | |
|---|---|---|
| Last price | $59.42 | – |
| 1D performance | +0.40% | – |
| AuM | $494.06 M | $159.98 B |
| E/R | 0.09% | 0.02% |
Characteristics
AAUS | SPYM | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | Alpha Architect | State Street Investment Management |
| Benchmark | - | S&P 500 Index |
| N° of holdings | 348 | 498 |
| Asset class | - | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | July 23, 2025 | November 8, 2005 |
| ESG | No | No |
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Exposure
Countries
AAUS
USA
97.72%
Other
2.28%
SPYM
USA
98.27%
Other
1.73%
Sectors
AAUS
Technology
46.11%
Finance
12.87%
Consumer Non-Cycl.
9.36%
Healthcare
9.02%
Industrials
7.51%
Other
15.13%
SPYM
Technology
46.16%
Finance
13.26%
Consumer Non-Cycl.
8.85%
Healthcare
8.74%
Industrials
8.01%
Other
14.97%
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Diversification
AAUS
Total weight of top 15 holdings out of 15
45.33%
SPYM
Total weight of top 15 holdings out of 15
43.48%
Top 15 holdings
Data as of June 30, 2026
AAUS
Apple, Inc.
7.47%
NVIDIA Corp.
7.44%
Microsoft Corp.
5.11%
Amazon.com, Inc.
3.69%
Alphabet, Inc.
3.18%
Alphabet, Inc.
2.87%
Broadcom Inc.
2.60%
Meta Platforms, Inc.
1.99%
Micron Technology, Inc.
1.96%
Eli Lilly & Co.
1.71%
Tesla, Inc.
1.71%
Berkshire Hathaway, Inc.
1.63%
JPMorgan Chase & Co.
1.56%
Advanced Micro Devices, Inc.
1.32%
Johnson & Johnson
1.09%
SPYM
NVIDIA Corp.
7.57%
Apple, Inc.
6.64%
Microsoft Corp.
4.33%
Amazon.com, Inc.
3.65%
Alphabet, Inc.
3.27%
Broadcom Inc.
2.79%
Alphabet, Inc.
2.61%
Micron Technology, Inc.
2.03%
Meta Platforms, Inc.
1.93%
Tesla, Inc.
1.85%
Eli Lilly & Co.
1.48%
Advanced Micro Devices, Inc.
1.48%
Berkshire Hathaway, Inc.
1.43%
JPMorgan Chase & Co.
1.37%
Intel Corp.
1.03%
Frequently asked questions about AAUS and SPYM
How have the AAUS and SPYM ETFs performed in 2026?
As of July 27, 2026, AAUS is up 7.46% year-to-date (YTD), while SPYM has returned 8.99%. That puts SPYM better performer ahead so far this year.
Which ETF is attracting more investor money: AAUS or SPYM?
Year-to-date, the AAUS ETF saw -$31M in flows, compared to +$52.01B for SPYM.
Which ETF is more volatile: AAUS or SPYM?
Over the past year, AAUS had a volatility of 12.74%, while SPYM experienced 12.71%.
Which ETF is bigger: AAUS or SPYM?
As of July 27, 2026, AAUS holds $494.06 M in assets under management (AUM), while SPYM manages $159.98 B.
What sectors do the AAUS and SPYM ETFs invest in?
AAUS leans toward sectors like Technology, Finance and Consumer Non-Cyclicals. Meanwhile, SPYM focuses on Technology, Finance and Consumer Non-Cyclicals.
What are the top holdings of the AAUS ETF and SPYM ETF?
AAUS top holdings include Apple, Inc., NVIDIA Corp. and Microsoft Corp.. SPYM holds in its top three: NVIDIA Corp., Apple, Inc. and Microsoft Corp..
Which ETF is more diversified: AAUS or SPYM?
AAUS holds 349 securities with 45.33% of its assets in the top 15. SPYM has 503 securities and a top 15 weight of 43.48%.
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