IJR vs SPY ETF holdings comparison
iShares Core S&P Small-Cap ETF (IJR) · SPDR S&P 500 ETF Trust (SPY)
IJR and SPY overlap by 0% by portfolio weight. The remaining 100.0 percentage points are not counted as shared holdings weight by this calculation. They share 0 stocks;
The holdings dates differ. This can slightly understate overlap for funds tracking similar indexes.
What this means
IJR and SPY share a smaller portion of their portfolio weight in the same underlying stocks. OverlapCheck labels this "low holdings overlap" using house ranges of 70% or more, 30% to under 70%, and under 30%. These descriptive ranges are not industry standards or investment guidance. Holdings overlap does not measure correlation, volatility, geographic or factor exposure, fees, or suitability.
Overlap by weight sums the smaller of the two funds' weights for every stock they both hold. It answers "how much of my money is in the same stocks either way?" See methodology.
This comparison covers normalized equity positions represented in the dataset. Cash, derivatives, options, structured notes, and other non-equity assets are not included, so the result is not a complete comparison of every asset or risk in either fund.
Top shared holdings
No shared stocks were found in the normalized issuer holdings used for this comparison. That result applies only to the holdings files and dates shown above.
Holdings only in IJR or SPY
IJR has 603 fund-only positions representing approximately 98.4 percentage points of reported exposure; SPY has 503 fund-only positions representing approximately 99.8 percentage points of reported exposure. These are positions whose normalized security identifiers appear in one issuer file but not the other.
Largest positions only in IJR
| Company | Ticker | Weight |
|---|---|---|
| Eastman Chemical Company | EMN | 0.57% |
| Element Solutions Inc | ESI | 0.51% |
| Primoris Services Corp. | PRIM | 0.50% |
| Viavi Solutions Inc | VIAV | 0.50% |
| Argan Inc | AGX | 0.49% |
| Formfactor Inc | FORM | 0.49% |
| LKQ Corporation | LKQ | 0.49% |
| ESCO Technologies Inc. | ESE | 0.48% |
| Match Group Inc | MTCH | 0.47% |
| Celanese Corporation | CE | 0.47% |
Largest positions only in SPY
| Company | Ticker | Weight |
|---|---|---|
| Nvidia Corp | NVDA | 7.80% |
| Apple Inc | AAPL | 6.88% |
| Microsoft Corp | MSFT | 5.52% |
| Amazon.Com Inc | AMZN | 3.86% |
| Alphabet Inc Cl A | GOOGL | 3.08% |
| Broadcom Inc | AVGO | 2.55% |
| Alphabet Inc Cl C | GOOG | 2.45% |
| Meta Platforms Inc Class A | META | 1.89% |
| Micron Technology Inc | MU | 1.59% |
| Tesla Inc | TSLA | 1.49% |
FAQ
How much do IJR and SPY overlap?
IJR and SPY have 0% overlap by weight, sharing 0 equity positions (out of 603 in IJR and 503 in SPY). The official holdings files used are dated 2026-03-31 for IJR and 2026-08-25 for SPY.
What does 0% overlap mean?
IJR and SPY share a smaller portion of their portfolio weight in the same underlying stocks. OverlapCheck labels this "low holdings overlap" using house ranges of 70% or more, 30% to under 70%, and under 30%. These descriptive ranges are not industry standards or investment guidance. Holdings overlap does not measure correlation, volatility, geographic or factor exposure, fees, or suitability.
Which stocks do IJR and SPY both hold?
IJR and SPY have no shared stock positions in the normalized issuer holdings used for this comparison.
What holdings are different between IJR and SPY?
IJR has 603 positions not found in SPY, while SPY has 503 positions not found in IJR. The largest fund-only positions and their weights are shown on this page.