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SPYvsVOOETF Comparison

ETF 1
SPY

SPDR S&P 500 ETF Trust

This fund is part of
US Large Cap
-1.35%
Full SPY fund page
VS
ETF 2
VOO

Vanguard S&P 500 ETF

This fund is part of
US Large Cap
-1.35%
Full VOO fund page

SPDR S&P 500 ETF Trust (SPY) and Vanguard S&P 500 ETF (VOO) belong to the same industry segment: US Large Cap. SPY's top 3 sector exposures are Information Technology, Communication Services and Financials. In contrast, VOO's top sector exposures are Information Technology, Communication Services and Consumer Discretionary. SPY is more expensive with a Total Expense Ratio (TER) of 0.0945%, versus 0.03% for VOO. SPY is down -2.97% year-to-date (YTD) with -$36.15B in YTD flows. VOO performs better with -2.96% YTD performance, and +$59.34B in YTD flows. Run a side-by-side ETF comparison of SPY 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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SPY vs VOO performance and flow charts

Performance

-4.0-3.0-2.0-1.00.01.0%Feb 18Feb 25Mar 4Mar 11Mar 18

Cumulative Flows

-20 B-10 B0 B10 B20 B30 B40 BFeb 18Feb 25Mar 4Mar 11Mar 18

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Daily, global ETF data for advanced analysis or integration into apps (API), from our partner Trackinsight.

Historic performance and flows
Data as of 03/18/2026
1M3MYTD1Y3Y5Y
Perf.
SPY
VOO
-3.61%-3.61%
-1.93%-1.92%
-2.97%-2.96%
+19.35%+19.44%
+74.20%+74.64%
+81.17%+81.64%
Flows
SPY
VOO
-$20.49B+$33.73B
-$25.63B+$40.87B
-$36.15B+$59.34B
-$49.56B+$141.82B
+$31.38B+$352.51B
+$57.09B+$427.81B
Volatility and drawdown
3M1Y3Y5Y
Volatility
SPY
VOO
+11.94%+11.95%
+18.09%+18.10%
+14.75%+14.68%
+16.81%+16.99%
Max drawdown
SPY
VOO
-4.88%-4.88%
-13.71%-13.71%
-18.74%-18.75%
-24.50%-24.52%
Max drawdown duration
SPY
VOO
50d50d
45d45d
126d126d
708d708d
Trading data

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SPY
VOO
Last sale
3/19/2026 at 5:58 PM
$657.22
$604.58
Previous close
03/18/2026
$661.43
$608.38
Consolidated volume
03/18/2026
Average volume
30 days
Average discount or premium
30 days
Average Bid/Ask spread
30 days
Replication quality
Data as of February 27, 2026
1-year trailing difference

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SPY
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 3/19/2026 at 5:58 PM
Live
Closed
SPY
VOO
Last price
$657.22
$604.58
1D performance
-0.64%
-0.62%
AuM$655.95 B$866.20 B
E/R0.0945%0.03%
Characteristics
SPY
VOO
Management strategyPassivePassive
ProviderSPDRVanguard
BenchmarkS&P 500 IndexS&P 500 Index
N° of holdings479479
Asset classEquitiesEquities
Trailing 12m distribution yield
Join
Join
Inception dateJanuary 22, 1993September 7, 2010
ESGNoNo
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Exposure

Countries

SPY
USA
96.94%
Other
3.06%
VOO
USA
96.72%
Other
3.28%

Sectors

SPY
Information Techn.
34.58%
Communication Ser.
10.96%
Financials
10.63%
Consumer Discreti.
10.57%
Health Care
9.29%
Industrials
7.92%
Other
16.05%
VOO
Information Techn.
34.52%
Communication Ser.
10.95%
Consumer Discreti.
10.57%
Financials
10.51%
Health Care
9.28%
Industrials
7.91%
Other
16.26%
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Diversification

SPY

Total weight of top 15 holdings out of 15

44.02%
VOO

Total weight of top 15 holdings out of 15

43.9%

Top 15 holdings

Data as of January 31, 2026
SPY
NVIDIA
7.83%
APPLE
6.47%
MICROSOFT-T
5.39%
AMAZON.COM INC
3.93%
ALPHABET INC-CL
3.32%
ALPHABET INC-CL
2.65%
BROADCOM LIMITED
2.64%
META PLATFORMS
2.63%
TESLA
2.04%
BERKSHIRE HATHWAY
1.49%
JPMORGAN CHASE
1.40%
LILLY
1.39%
EXXON
1.01%
JOHNSON&JOHNSON
0.92%
VISA INCORPORATION
0.92%
VOO
NVIDIA
7.83%
APPLE
6.46%
MICROSOFT-T
5.39%
AMAZON.COM INC
3.92%
ALPHABET INC-CL
3.31%
ALPHABET INC-CL
2.65%
BROADCOM LIMITED
2.64%
META PLATFORMS
2.63%
TESLA
2.04%
BERKSHIRE HATHWAY
1.48%
LILLY
1.39%
JPMORGAN CHASE
1.34%
EXXON
1.00%
JOHNSON&JOHNSON
0.92%
VISA INCORPORATION
0.90%
Frequently asked questions about SPY and VOO

How have the SPY and VOO ETFs performed in 2026?

As of March 18, 2026, SPY is down -2.97% year-to-date (YTD), while VOO has lost -2.96%. That puts VOO better performer ahead so far this year.

Which ETF is attracting more investor money: SPY or VOO?

Year-to-date, the SPY ETF saw -$36.15B in flows, compared to +$59.34B for VOO.

Which ETF is more volatile: SPY or VOO?

Over the past year, SPY had a volatility of 18.09%, while VOO experienced 18.1%.

Which ETF is bigger: SPY or VOO?

As of March 18, 2026, SPY holds $655.95 B in assets under management (AUM), while VOO manages $866.20 B.

What sectors do the SPY and VOO ETFs invest in?

SPY leans toward sectors like Information Technology, Communication Services and Financials. Meanwhile, VOO focuses on Information Technology, Communication Services and Consumer Discretionary.

What are the top holdings of the SPY ETF and VOO ETF?

SPY top holdings include NVIDIA, APPLE and MICROSOFT-T. VOO holds in its top three: NVIDIA, APPLE and MICROSOFT-T.

Which ETF is more diversified: SPY or VOO?

SPY holds 502 securities with 44.02% of its assets in the top 15. VOO has 503 securities and a top 15 weight of 43.9%.

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