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ETF comparison

IJH vs VIOO

US Mid Cap vs US Small Cap.

iShares Core S&P Mid-Cap ETF · Vanguard S&P Small-Cap 600 Index Fund ETF Shares

Holdings overlap

Weighted by ISIN/CUSIP
1.1 %

3 positions appear in both funds. Buying equal dollars of IJH and VIOO would leave roughly 1.1% of each dollar exposed to the same underlying securities.

IJH unmatched 98.7% Shared 1.1% VIOO unmatched 98.7%

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 IJH only
397 positions
Shared
3 positions
In VIOO only
600 positions

Side by side

IJH

iShares Core S&P Mid-Cap ETF

iShares · US Mid Cap

95 composite / 100
Expense ratio
0.050%
Net assets
$120.93B
TTM yield
1.25%
Top-10 conc.
10.9%
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%

Sub-score comparison

95
Cost
93
88
Tax efficiency
88
100
Liquidity
91
99
Concentration
100
—
Tracking quality
—
IJH sub-score VIOO

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

Cost difference

IJH is 2 bps cheaper than VIOO. On a $100,000 position that's about $20/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 IJH vs VIOO.

Top shared holdings

3 shared in total
# Holding In IJH In VIOO Overlap
1 SEMTECH CORP 0.41% 0.83% 0.41%
2 SANMINA CORP 0.37% 0.83% 0.37%
3 VIAVI SOLUTIONS INC 0.31% 0.66% 0.31%

Only in IJH

397 total
  • TWILIO INC 0.86%
  • CARPENTER TECHNOLOGY CORP 0.84%
  • MKS INC 0.83%
  • CURTISS-WRIGHT CORP 0.77%
  • NVENT ELECTRIC PLC 0.75%
  • ENTEGRIS INC 0.75%
  • ATI INC 0.74%
  • ILLUMINA INC 0.73%
  • TECHNIPFMC PLC 0.73%
  • STERLING INFRASTRUCTURE INC 0.71%

Only in VIOO

600 total
  • Viasat Inc 0.64%
  • Lumen Technologies Inc 0.61%
  • FormFactor Inc 0.57%
  • Element Solutions Inc 0.57%
  • Argan Inc 0.54%
  • Enphase Energy Inc 0.53%
  • Molina Healthcare Inc 0.53%
  • Qorvo Inc 0.51%
  • Eastman Chemical Co 0.51%
  • Match Group Inc 0.50%

Percentages are holdings overlap with the named fund.

Open IJH or VIOO 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.