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ETF comparison

IJR vs SPY

US Small Cap vs US Large Cap.

iShares Core S&P Small-Cap ETF · State Street SPDR S&P 500 ETF Trust

Holdings overlap

Weighted by ISIN/CUSIP
0.0 %

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

IJR unmatched 97.7% Shared 0.0% SPY unmatched 99.9%

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 IJR only
603 positions
Shared
0 positions
In SPY only
504 positions

Side by side

IJR

iShares Core S&P Small-Cap ETF

iShares · US Small Cap

95 composite / 100
Expense ratio
0.060%
Net assets
$105.58B
TTM yield
1.21%
Top-10 conc.
10.8%
SPY

State Street SPDR S&P 500 ETF Trust

State Street · US Large Cap

88 composite / 100
Expense ratio
0.094%
Net assets
$796.87B
TTM yield
1.01%
Top-10 conc.
37.3%

Sub-score comparison

94
Cost
91
88
Tax efficiency
88
100
Liquidity
100
99
Concentration
61
—
Tracking quality
—
IJR sub-score SPY

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

Cost difference

IJR is 3 bps cheaper than SPY. On a $100,000 position that's about $34/yr more in fees for SPY.

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 IJR vs SPY.

Top shared holdings

0 shared in total

No shared holdings between these funds.

Only in IJR

603 total
  • FORMFACTOR INC 0.67%
  • VIASAT INC 0.66%
  • MOLINA HEALTHCARE INC 0.64%
  • ARGAN INC 0.60%
  • BRIGHTSPRING HEALTH SERVICES INC 0.60%
  • ELEMENT SOLUTIONS INC 0.59%
  • MAXLINEAR INC 0.58%
  • KRYSTAL BIOTECH INC 0.53%
  • ESCO TECHNOLOGIES INC 0.49%
  • MATCH GROUP INC 0.48%

Only in SPY

504 total
  • APPLE INC 7.69%
  • NVIDIA CORP 7.30%
  • MICROSOFT CORP 6.22%
  • AMAZON.COM INC 3.94%
  • ALPHABET INC CL A 2.56%
  • BROADCOM INC 2.33%
  • META PLATFORMS INC CLASS A 2.09%
  • ALPHABET INC CL C 2.06%
  • ELI LILLY + CO 1.71%
  • TESLA INC 1.64%

Related comparisons

More comparisons with IJR

More comparisons with SPY

Percentages are holdings overlap with the named fund.

Open IJR or SPY 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.