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ETF comparison

SPY vs VIOG

US Large Cap vs US Small Cap.

State Street SPDR S&P 500 ETF Trust · Vanguard S&P Small-Cap 600 Growth Index Fund ETF Shares

Holdings overlap

Weighted by ISIN/CUSIP
0.0 %

0 positions appear in both funds. Buying equal dollars of SPY and VIOG would leave roughly 0.0% of each dollar exposed to the same underlying securities.

SPY unmatched 100.0% Shared 0.0% VIOG unmatched 99.7%

Unmatched is the part of a fund's weight the other fund doesn't match: names only it holds, plus any extra weight it puts in names both funds hold.

In SPY only
505 positions
Shared
0 positions
In VIOG only
342 positions

Side by side

SPY

State Street SPDR S&P 500 ETF Trust

State Street · US Large Cap

88 composite / 100
Expense ratio
0.094%
Net assets
$809.22B
TTM yield
0.99%
Top-10 conc.
37.9%
VIOG

Vanguard S&P Small-Cap 600 Growth Index Fund ETF Shares

Vanguard · US Small Cap

83 composite / 100
Expense ratio
0.10%
Net assets
$1.01B
TTM yield
0.78%
Top-10 conc.
11.5%

Sub-score comparison

91
Cost
90
89
Tax efficiency
89
100
Liquidity
57
60
Concentration
98
—
Tracking quality
—
SPY sub-score VIOG

Tracking quality isn't part of the composite — see what we don't score for why.

Cost difference

SPY is 1 bps cheaper than VIOG. On a $100,000 position that's about $6/yr more in fees for VIOG.

Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open the cost calculator pre-filled with SPY vs VIOG.

Top shared holdings

0 shared in total

No shared holdings between these funds.

Only in SPY

505 total
  • NVIDIA CORP 8.50%
  • APPLE INC 7.32%
  • MICROSOFT CORP 5.77%
  • AMAZON.COM INC 3.71%
  • ALPHABET INC CL A 3.03%
  • BROADCOM INC 2.54%
  • ALPHABET INC CL C 2.43%
  • META PLATFORMS INC CLASS A 2.41%
  • MICRON TECHNOLOGY INC 1.82%
  • TESLA INC 1.57%

Only in VIOG

342 total
  • Sanmina Corp 1.68%
  • Viavi Solutions Inc 1.33%
  • Viasat Inc 1.30%
  • Semtech Corp 1.17%
  • FormFactor Inc 1.14%
  • Argan Inc 1.10%
  • BrightSpring Health Services Inc 0.97%
  • Powell Industries Inc 0.96%
  • Krystal Biotech Inc 0.94%
  • StoneX Group Inc 0.94%

Related comparisons

More comparisons with SPY

More comparisons with VIOG

Percentages are holdings overlap with the named fund.

Open SPY or VIOG at a brokerage

Both funds trade commission-free at major US brokerages.

Open at Fidelity

Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodology and funding disclosure.

Holdings overlap is the sum of min(weight_a, weight_b) over positions matched on ISIN (CUSIP fallback). Methodology: see /methodology/.

Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.