IJR vs IJS overlap - what they share and where they differ

IJR and IJS share 62.6% of their weight across 458 common positions, read from what each fund reported to the SEC.

Each week Ploutos reads the reported positions of the largest US equity ETFs and measures, pair by pair, the weight they share: for every stock both funds hold, the smaller of the two weights counts. Two funds tracking the same index land near 100%. A sector fund inside a broad index fund lands at roughly that sector's weight.

IJR and IJS

62.6%

458 shared positions

IJR

iShares Core S&P Small-Cap ETF

Reported positions cover 98% of the fund, 598 positions · Jun 30, 2026

Top 10: 5.8%·Holdings of IJR

IJS

iShares S&P Small-Cap 600 Value ETF

Reported positions cover 98% of the fund, 458 positions · Jun 30, 2026

Top 10: 8.2%·Holdings of IJS

Reported positions cover IJR 98%, IJS 98% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.

IJS vs IJR side by side

IJRiShares Core S&P Small-Cap ETF

598

stock positions reported to the SEC

30.6% of its weight is in 140 names IJS does not hold

IJSiShares S&P Small-Cap 600 Value ETF

458

stock positions reported to the SEC

0.0% of its weight is in 0 names IJR does not hold

Where each fund's weight sits

IJR
IJS
shared with the other fundheld alonenot covered by the filing (cash, futures, bonds)

Largest sectors for both funds

Technology
19.3%
17.0%
Financial Services
14.8%
18.1%
Consumer Cyclical
11.6%
14.3%
Healthcare
13.2%
0.0%
Industrials
10.4%
10.7%
Basic Materials
0.0%
9.2%

The widest gap is Healthcare: IJR has 13.2 points more of it.

The figures side by side

IJRIJS
Filing dateJun 30, 2026Jun 30, 2026
Stock positions reported598458
Weight of the ten largest5.8%8.2%
Largest positionFORM 0.7%MOH 1.3%
Held alone140 positions, 30.6%0 positions, 0.0%
Covered by stock positions98%98%

Holdings they share

StockIn IJRIn IJSCounted
MOHMOLINA HEALTHCARE INC0.64%1.28%0.64%
ESIELEMENT SOLUTIONS INC0.59%0.59%0.59%
MXLMAXLINEAR INC0.58%0.66%0.58%
MTCHMATCH GROUP INC0.48%0.95%0.48%
PLXSPLEXUS CORP0.44%0.48%0.44%
RALRALLIANT CORP0.45%0.42%0.42%
EMNEASTMAN CHEMICAL COMPANY0.41%0.82%0.41%
KMXCARMAX INC0.41%0.81%0.41%
KLICKULICKE AND SOFFA INDUSTRIES INC0.38%0.75%0.38%
MACMACERICH COMPANY (THE)0.39%0.37%0.37%

What each holds alone

The heaviest positions one fund reports and the other does not.

Only in IJR

FORMFORMFACTOR INC0.67%
VSATVIASAT INC0.66%
AGXARGAN INC0.60%
BTSGBRIGHTSPRING HEALTH SERVICES INC0.60%
KRYSKRYSTAL BIOTECH INC0.53%
ESEESCO TECHNOLOGIES INC0.49%
ALKSALKERMES PLC0.47%
ECGEVERUS CONSTRUCTION GROUP INC0.46%
SNEXSTONEX GROUP INC0.46%
CORTCORCEPT THERAPEUTICS INC0.45%

Only in IJS

Nothing among its reported positions that the others do not also hold.

Questions people ask

Is IJR the same as IJS?

62.6% of their weight sits in the same 458 holdings. IJR also reports FORM, VSAT, AGX, which the other does not. Among its reported positions, IJS holds nothing the other does not also hold.

How is the overlap between IJR and IJS measured?

For every stock both funds report, the smaller of the two weights counts, and the sum is the overlap. The reported positions cover 98% of IJR and 98% of IJS, so the number cannot exceed the smaller coverage.

Which holds more, IJS or IJR?

IJR reports 598 stock positions and IJS reports 458. 30.6% of IJR's weight sits in names IJS does not hold, and 0.0% of IJS's weight in names IJR does not hold. The ten largest positions are 5.8% of IJR and 8.2% of IJS.

How do IJR and IJS differ by sector?

The widest gap is Healthcare: IJR has 13.2 points more of it. Sectors come from each holding's SIC code in its SEC record, summed by the weight the fund reports.

Where do the numbers come from?

From each fund's own N-PORT filing to the SEC, which lists every position and its weight. The comparison uses every equity position the fund reports; cash, futures and bonds are not counted, which is why a coverage figure sits next to every result. Holdings change between filings.

Other pairs with these funds

IJR against other funds in the table

Add a third fund in the tool·All fund pairs

Descriptive data from public SEC filings. Nothing on this page is a recommendation to buy, sell or hold any fund or stock, and holdings change between filings.