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ETF comparison

VIOO vs VTI

US Small Cap vs US Total Market.

Vanguard S&P Small-Cap 600 Index Fund ETF Shares · Vanguard Morningstar Total Stock Market ETF

Holdings overlap

Weighted by ISIN/CUSIP
2.5 %

596 positions appear in both funds. Buying equal dollars of VIOO and VTI would leave roughly 2.5% of each dollar exposed to the same underlying securities.

VIOO unmatched 97.3% Shared 2.5% VTI unmatched 97.3%

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 VIOO only
7 positions
Shared
596 positions
In VTI only
2,908 positions

Side by side

VIOO

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

Vanguard · US Small Cap

92 composite / 100
Expense ratio
0.070%
Net assets
$6.09B
whole fund, 2 share classes
TTM yield
1.17%
Top-10 conc.
6.3%
VTI

Vanguard Morningstar Total Stock Market ETF

Vanguard · US Total Market

92 composite / 100
Expense ratio
0.030%
Net assets
$2.32T
whole fund, 6 share classes
TTM yield
1.06%
Top-10 conc.
32.0%

Sub-score comparison

93
Cost
97
88
Tax efficiency
88
91
Liquidity
100
100
Concentration
69
—
Tracking quality
—
VIOO sub-score VTI

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

Cost difference

VTI is 4 bps cheaper than VIOO. On a $100,000 position that's about $40/yr more in fees for VIOO.

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 VIOO vs VTI.

Top shared holdings

596 shared in total
# Holding In VIOO In VTI Overlap
1 Semtech Corp 0.83% 0.02% 0.02%
2 Sanmina Corp 0.83% 0.02% 0.02%
3 FormFactor Inc 0.57% 0.02% 0.02%
4 Molina Healthcare Inc 0.53% 0.02% 0.02%
5 Viavi Solutions Inc 0.66% 0.02% 0.02%
6 Viasat Inc 0.64% 0.02% 0.02%
7 BrightSpring Health Services Inc 0.48% 0.02% 0.02%
8 Element Solutions Inc 0.57% 0.02% 0.02%
9 MaxLinear Inc 0.44% 0.02% 0.02%
10 Argan Inc 0.54% 0.01% 0.01%
11 Krystal Biotech Inc 0.47% 0.01% 0.01%
12 ESCO Technologies Inc 0.44% 0.01% 0.01%

Only in VIOO

7 total
  • Kulicke & Soffa Industries Inc 0.31%
  • SolarEdge Technologies Inc 0.27%
  • OneSpaWorld Holdings Ltd 0.14%
  • Adient PLC 0.11%
  • Dorian LPG Ltd 0.09%
  • Kennedy-Wilson Holdings Inc 0.08%
  • ProAssurance Corp 0.07%

Only in VTI

2,908 total
  • NVIDIA Corp 6.36%
  • Apple Inc 5.87%
  • Microsoft Corp 3.83%
  • Amazon.com Inc 3.19%
  • Alphabet Inc 2.90%
  • Broadcom Inc 2.47%
  • Alphabet Inc 2.28%
  • Micron Technology Inc 1.80%
  • Meta Platforms Inc 1.71%
  • Tesla Inc 1.64%

Percentages are holdings overlap with the named fund.

Open VIOO or VTI at a brokerage

Both funds trade commission-free at major US brokerages.

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.