IVV vs SPY ETF holdings comparison
iShares Core S&P 500 ETF (IVV) · SPDR S&P 500 ETF Trust (SPY)
IVV and SPY overlap by 93.1% by portfolio weight. The remaining 6.9 percentage points are not counted as shared holdings weight by this calculation. They share 499 stocks; the largest shared position is NVIDIA Corp. (NVDA), contributing 7.51% to the overlap.
The holdings dates differ. This can slightly understate overlap for funds tracking similar indexes.
What this means
IVV and SPY share most of their portfolio weight in the same underlying stocks. OverlapCheck labels this "high 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
| Company | Ticker | in IVV | in SPY |
|---|---|---|---|
| NVIDIA Corp. | NVDA | 7.51% | 7.80% |
| Apple, Inc. | AAPL | 6.58% | 6.88% |
| Microsoft Corp. | MSFT | 4.29% | 5.52% |
| Amazon.com, Inc. | AMZN | 3.61% | 3.86% |
| Alphabet, Inc. | GOOGL | 3.25% | 3.08% |
| Broadcom, Inc. | AVGO | 2.77% | 2.55% |
| Alphabet, Inc. | GOOG | 2.59% | 2.45% |
| Meta Platforms, Inc. | META | 1.92% | 1.89% |
| Micron Technology, Inc. | MU | 2.02% | 1.59% |
| Tesla, Inc. | TSLA | 1.83% | 1.49% |
Holdings only in IVV or SPY
IVV has 4 fund-only positions representing approximately 1.0 percentage points of reported exposure; SPY has 4 fund-only positions representing approximately 1.1 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 IVV
| Company | Ticker | Weight |
|---|---|---|
| Exxon Mobil Corp. | XOM | 0.88% |
| Electronic Arts, Inc. | EA | 0.07% |
| AvalonBay Communities, Inc. | AVB | 0.04% |
| Amcor plc | N/A | 0.03% |
Largest positions only in SPY
| Company | Ticker | Weight |
|---|---|---|
| Exxonmobil Holdings Corp | XOM | 1.01% |
| Ferguson Enterprises Inc | FERG | 0.07% |
| Amcor Plc | AMCR | 0.03% |
| Reddit Inc Cl A | RDDT | 0.03% |
FAQ
How much do IVV and SPY overlap?
IVV and SPY have 93.1% overlap by weight, sharing 499 equity positions (out of 503 in IVV and 503 in SPY). The official holdings files used are dated 2026-06-30 for IVV and 2026-08-25 for SPY.
What does 93.1% overlap mean?
IVV and SPY share most of their portfolio weight in the same underlying stocks. OverlapCheck labels this "high 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 IVV and SPY both hold?
The largest shared positions are NVIDIA Corp., Apple, Inc., Microsoft Corp., Amazon.com, Inc., Alphabet, Inc.. The top shared holdings with weights in each fund are shown on this page.
What holdings are different between IVV and SPY?
IVV has 4 positions not found in SPY, while SPY has 4 positions not found in IVV. The largest fund-only positions and their weights are shown on this page.