IJS vs ITB overlap - what they share and where they differ
IJS and ITB share 3.5% of their weight across 14 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.
IJS and ITB
3.5%
14 shared positions
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
ITB
iShares U.S. Home Construction ETF
Reported positions cover 99% of the fund, 44 positions · Jun 30, 2026
Top 10: 64.4%·Holdings of ITB
Reported positions cover IJS 98%, ITB 99% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
ITB vs IJS side by side
IJSiShares S&P Small-Cap 600 Value ETF
458
stock positions reported to the SEC
94.8% of its weight is in 444 names ITB does not hold
ITBiShares U.S. Home Construction ETF
44
stock positions reported to the SEC
88.2% of its weight is in 30 names IJS does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Industrials: ITB has 51.6 points more of it.
The figures side by side
| IJS | ITB | |
|---|---|---|
| Filing date | Jun 30, 2026 | Jun 30, 2026 |
| Stock positions reported | 458 | 44 |
| Weight of the ten largest | 8.2% | 64.4% |
| Largest position | MOH 1.3% | DHI 15.7% |
| Held alone | 444 positions, 94.8% | 30 positions, 88.2% |
| Covered by stock positions | 98% | 99% |
Holdings they share
| Stock | In IJS | In ITB | Counted |
|---|---|---|---|
| MHKMOHAWK INDUSTRIES INC | 0.67% | 1.14% | 0.67% |
| MTHMERITAGE HOMES CORP | 0.60% | 2.08% | 0.60% |
| MHOM/I HOMES INC | 0.44% | 1.53% | 0.44% |
| SKYCHAMPION HOMES INC | 0.28% | 1.81% | 0.28% |
| MBCMASTERBRAND INC | 0.23% | 0.38% | 0.23% |
| CCSCENTURY COMMUNITIES INC | 0.19% | 0.67% | 0.19% |
| HAYWHAYWARD HOLDINGS INC | 0.19% | 0.64% | 0.19% |
| LZBLA-Z-BOY INC | 0.18% | 0.30% | 0.18% |
| GFFGRIFFON CORP | 0.17% | 0.69% | 0.17% |
| LGIHLGI HOMES INC | 0.14% | 0.48% | 0.14% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in IJS
Only in ITB
Questions people ask
Is IJS the same as ITB?
3.5% of their weight sits in the same 14 holdings. IJS also reports MOH, MTCH, EMN, which the other does not. ITB also reports DHI, PHM, LEN, which the other does not.
How is the overlap between IJS and ITB 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 IJS and 99% of ITB, so the number cannot exceed the smaller coverage.
Which holds more, ITB or IJS?
IJS reports 458 stock positions and ITB reports 44. 94.8% of IJS's weight sits in names ITB does not hold, and 88.2% of ITB's weight in names IJS does not hold. The ten largest positions are 8.2% of IJS and 64.4% of ITB.
How do IJS and ITB differ by sector?
The widest gap is Industrials: ITB has 51.6 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.
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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.