SPYMvsVOOETF Comparison
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State Street SPDR Portfolio S&P 500 ETF (SPYM) and Vanguard S&P 500 ETF (VOO) belong to the same industry segment: US Large Cap. Both ETFs have the same top 3 sector exposures: Technology, Finance and Healthcare. SPYM is less expensive with a Total Expense Ratio (TER) of 0.02%, versus 0.03% for VOO. SPYM is up 14.13% year-to-date (YTD) with +$68.74B in YTD flows. VOO performs worse with 14.13% YTD performance, and +$106.59B in YTD flows. Run a side-by-side ETF comparison of SPYM and VOO 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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SPYM vs VOO performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/15/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SPYM VOO | +2.16%+2.16% | +2.54%+2.54% | +14.13%+14.13% | +17.40%+17.40% | +83.93%+83.95% | +85.74%+85.65% |
| Flows | SPYM VOO | +$13.99B-$40.70B | +$20.10B+$33.61B | +$68.74B+$106.59B | +$72.92B+$151.00B | +$123.46B+$369.20B | +$130.88B+$448.01B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SPYM VOO | +11.01%+11.01% | +12.70%+12.70% | +14.97%+14.89% | +16.98%+17.11% |
| Max drawdown | SPYM VOO | -3.37%-3.37% | -8.89%-8.90% | -18.74%-18.75% | -24.50%-24.52% |
| Max drawdown duration | SPYM VOO | 16d16d | 76d76d | 126d126d | 708d708d |
Trading data
SPYM | VOO | |
Last sale 10/16/2026 at 5:39 PM | $702.82 | |
| Previous close 10/15/2026 | $709.43 | |
| Consolidated volume 10/15/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of September 30, 2026
1-year trailing difference
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SPYM | VOO | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/16/2026 at 5:39 PM
Live
Closed
SPYM | VOO | |
|---|---|---|
| Last price | – | $702.82 |
| 1D performance | – | -0.93% |
| AuM | $183.88 B | $1,055.59 B |
| E/R | 0.02% | 0.03% |
Characteristics
SPYM | VOO | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | State Street Investment Management | Vanguard |
| Benchmark | S&P 500 Index | S&P 500 Index |
| N° of holdings | 498 | 500 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | November 8, 2005 | September 7, 2010 |
| ESG | No | No |
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Exposure
Countries
SPYM
USA
96.46%
Other
3.54%
VOO
USA
97.46%
Other
2.54%
Sectors
SPYM
Technology
45.26%
Finance
13.63%
Healthcare
9.09%
Consumer Non-Cycl.
8.88%
Industrials
7.47%
Other
15.66%
VOO
Technology
45.25%
Finance
13.57%
Healthcare
9.09%
Consumer Non-Cycl.
8.88%
Industrials
7.47%
Other
15.75%
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Diversification
SPYM
Total weight of top 15 holdings out of 15
44.14%
VOO
Total weight of top 15 holdings out of 15
44.17%
Top 15 holdings
Data as of August 31, 2026
SPYM
NVIDIA Corp.
8.08%
Apple, Inc.
7.03%
Microsoft Corp.
5.69%
Amazon.com, Inc.
3.84%
Alphabet, Inc.
3.01%
Broadcom Inc.
2.65%
Alphabet, Inc.
2.40%
Meta Platforms, Inc.
1.90%
Micron Technology, Inc.
1.63%
Tesla, Inc.
1.57%
JPMorgan Chase & Co.
1.44%
Berkshire Hathaway, Inc.
1.40%
Eli Lilly & Co.
1.38%
Advanced Micro Devices, Inc.
1.16%
Johnson & Johnson
0.97%
VOO
NVIDIA Corp.
8.08%
Apple, Inc.
7.03%
Microsoft Corp.
5.69%
Amazon.com, Inc.
3.84%
Alphabet, Inc.
3.01%
Broadcom Inc.
2.65%
Alphabet, Inc.
2.39%
Meta Platforms, Inc.
1.90%
Micron Technology, Inc.
1.63%
Tesla, Inc.
1.56%
JPMorgan Chase & Co.
1.44%
Berkshire Hathaway, Inc.
1.40%
Eli Lilly & Co.
1.38%
Advanced Micro Devices, Inc.
1.16%
ExxonMobil Holdings Corp.
1.01%
Frequently asked questions about SPYM and VOO
How have the SPYM and VOO ETFs performed in 2026?
As of October 15, 2026, SPYM is up 14.13% year-to-date (YTD), while VOO has returned 14.13%. That puts SPYM better performer ahead so far this year.
Which ETF is attracting more investor money: SPYM or VOO?
Year-to-date, the SPYM ETF saw +$68.74B in flows, compared to +$106.59B for VOO.
Which ETF is more volatile: SPYM or VOO?
Over the past year, SPYM had a volatility of 12.7%, while VOO experienced 12.7%.
Which ETF is bigger: SPYM or VOO?
As of October 15, 2026, SPYM holds $183.88 B in assets under management (AUM), while VOO manages $1,055.59 B.
What sectors do the SPYM and VOO ETFs invest in?
SPYM leans toward sectors like Technology, Finance and Healthcare. Meanwhile, VOO focuses on Technology, Finance and Healthcare.
What are the top holdings of the SPYM ETF and VOO ETF?
SPYM top holdings include NVIDIA Corp., Apple, Inc. and Microsoft Corp.. VOO holds in its top three: NVIDIA Corp., Apple, Inc. and Microsoft Corp..
Which ETF is more diversified: SPYM or VOO?
SPYM holds 501 securities with 44.14% of its assets in the top 15. VOO has 503 securities and a top 15 weight of 44.17%.
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Latest news about SPYM & VOO
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The Weekly ETF Market Monitor (September 14-18, 2026)
September 19, 2026
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The Weekly ETF Market Monitor (September 14-18, 2026)
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The Weekly ETF Market Monitor (September 7-11, 2026)
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The Weekly ETF Market Monitor (August 31- September 4, 2026)
September 7, 2026
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