IJR vs VGT Overlap
IJR is a small-cap U.S. equity ETF from IShares, while VGT is a technology-focused equity ETF from Vanguard. IJR and VGT show limited overlap, with an estimated weighted overlap of 3.54%. They share 67 holdings in the loaded dataset, led by SITM, SMTC, and RAL.
Served from cache.
Quick Answer
IJR is a small-cap U.S. equity ETF from IShares, while VGT is a technology-focused equity ETF from Vanguard. IJR and VGT show limited overlap, with an estimated weighted overlap of 3.54%. They share 67 holdings in the loaded dataset, led by SITM, SMTC, and RAL.
- 3.54% weighted overlap across 67 shared holdings.
- The top three shared holdings explain 10.73% of the measured overlap.
- IJR is the broader fund, while VGT is more targeted.
- The overlap is mostly explained by the top shared positions rather than sector labels alone.
- Holding both can still add materially different exposure.
Data Freshness
- IJR holdings
- Mar 12, 2026
- VGT holdings
- Mar 12, 2026
- Overlap computed
- Mar 13, 2026
- Data source
- Financial Modeling Prep
Review the methodology for the overlap formula and refresh policy.
Compare another pair
About These ETFs
What Stands Out In This Comparison
What This Means
IJR is a small-cap U.S. equity ETF from IShares, while VGT is a technology-focused equity ETF from Vanguard. IJR and VGT do not own much of the same portfolio weight. That usually means you are combining different parts of the market, with only a small amount of duplication through names like SITM, SMTC, and RAL.
How They Differ
IJR is a small-cap U.S. equity ETF from IShares, while VGT is a technology-focused equity ETF from Vanguard. IJR is the broader fund, while VGT is the more targeted sleeve. IJR has the lower expense ratio, while VGT charges more for its exposure.
What Drives The Overlap
The overlap is driven by a relatively small set of large shared positions. The top three shared holdings account for 10.73% of the score, which means the result is heavily influenced by the biggest common weights rather than a long tail of tiny positions.
When One May Fit Better
If you want the broader portfolio building block, IJR is usually the wider choice. If you want the more focused tilt, VGT is the narrower expression. IJR has the lower expense ratio, while VGT charges more for its exposure.
Overlap Driver Snapshot
Concentration
The top three shared holdings explain 10.73% of the full overlap score.
That helps show whether the score comes from a handful of giant shared positions or from a broader mix of common holdings.
Shared Sector Tilt
Sector tags are not consistently available for the biggest shared positions in this dataset, so this comparison leans more on the specific holdings than on sector labels.
Top Shared Holdings
These are the holdings contributing the most to the overlap score between IJR and VGT.
| Holding | Name | IJR Wt. | VGT Wt. | Overlap |
|---|---|---|---|---|
| SITM | SITIME CORP | 0.51% | 0.14% | 0.14% |
| SMTC | SEMTECH CORP | 0.50% | 0.13% | 0.13% |
| RAL | RALLIANT CORP | 0.33% | 0.11% | 0.11% |
| SANM | SANMINA CORP | 0.45% | 0.11% | 0.11% |
| IDCC | INTERDIGITAL INC | 0.62% | 0.11% | 0.11% |
| VIAV | VIAVI SOLUTIONS INC | 0.44% | 0.10% | 0.10% |
| FORM | FORMFACTOR INC | 0.46% | 0.10% | 0.10% |
| PLXS | PLEXUS CORP | 0.34% | 0.10% | 0.10% |
| QRVO | QORVO INC | 0.43% | 0.10% | 0.10% |
| MIR | MIRION TECHNOLOGIES INC CLASS A | 0.35% | 0.10% | 0.10% |
Why These ETFs Overlap
IJR is a small-cap U.S. equity ETF from IShares, while VGT is a technology-focused equity ETF from Vanguard. The overlap exists because both funds allocate meaningful weight to the same holdings. In this dataset, the biggest shared drivers are SITM, SMTC, and RAL, which appear in both portfolios and push the overlap score higher.
Holding both IJR and VGT can make sense if you want exposure to different sleeves of the market. The overlap is small enough that both funds may still improve diversification.
Related Comparisons
Frequently Asked Questions About IJR and VGT
What is the overlap between IJR and VGT?+
How many holdings do IJR and VGT share?+
Is the IJR and VGT overlap high?+
Why do IJR and VGT overlap?+
Which ETF is broader, IJR or VGT?+
How Overlap Is Calculated
A straightforward approach used by portfolio analysts.
For every stock that appears in both ETFs, we take the smaller of the two weights. Adding up all those minimums gives the total overlap percentage. A score of 100% means the two ETFs hold the exact same stocks in the same proportions.
Want the full explanation? Read the methodology page.