SPY vs VUAA ETF holdings comparison
SPDR S&P 500 ETF Trust (SPY) · Vanguard S&P 500 UCITS ETF (USD Acc) (VUAA)
SPY and VUAA overlap by 97% by portfolio weight. The remaining 3.0 percentage points are not counted as shared holdings weight by this calculation. They share 498 stocks; the largest shared position is Nvidia Corp (NVDA), contributing 8.08% to the overlap.
The holdings dates differ. This can slightly understate overlap for funds tracking similar indexes.
What this means
SPY and VUAA 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 SPY | in VUAA |
|---|---|---|---|
| Nvidia Corp | NVDA | 8.22% | 8.08% |
| Apple Inc | AAPL | 7.39% | 7.03% |
| Microsoft Corp | MSFT | 5.57% | 5.69% |
| Amazon.Com Inc | AMZN | 3.79% | 3.84% |
| Alphabet Inc Cl A | GOOGL | 3.11% | 3.01% |
| Broadcom Inc | AVGO | 2.58% | 2.65% |
| Alphabet Inc Cl C | GOOG | 2.49% | 2.39% |
| Meta Platforms Inc Class A | META | 2.44% | 1.90% |
| Micron Technology Inc | MU | 1.76% | 1.63% |
| Tesla Inc | TSLA | 1.58% | 1.57% |
Holdings only in SPY or VUAA
SPY has 5 fund-only positions representing approximately 0.3 percentage points of reported exposure; VUAA has 5 fund-only positions representing approximately 0.2 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 SPY
| Company | Ticker | Weight |
|---|---|---|
| Bloom Energy Corp A | BE | 0.12% |
| Oneok Inc | OKE | 0.09% |
| Everpure Inc A | P | 0.06% |
| Illumina Inc | ILMN | 0.05% |
| Amcor Plc | AMCR | 0.03% |
Largest positions only in VUAA
| Company | Ticker | Weight |
|---|---|---|
| ONEOK Inc | OKE | 0.09% |
| Amcor PLC | AMCR | 0.03% |
| Builders FirstSource Inc | BLDR | 0.01% |
| Molson Coors Beverage Co | TAP | <0.01% |
| Trade Desk Inc/The | TTD | <0.01% |
FAQ
How much do SPY and VUAA overlap?
SPY and VUAA have 97% overlap by weight, sharing 498 equity positions (out of 503 in SPY and 503 in VUAA). The official holdings files used are dated 2026-09-21 for SPY and 2026-08-31 for VUAA.
What does 97% overlap mean?
SPY and VUAA 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 SPY and VUAA both hold?
The largest shared positions are Nvidia Corp, Apple Inc, Microsoft Corp, Amazon.Com Inc, Alphabet Inc Cl A. The top shared holdings with weights in each fund are shown on this page.
What holdings are different between SPY and VUAA?
SPY has 5 positions not found in VUAA, while VUAA has 5 positions not found in SPY. The largest fund-only positions and their weights are shown on this page.
Related comparisons
One side of this pair is a UCITS ETF. How share classes and listings map to one fund, and which popular UCITS combinations repeat the same US mega-caps, is covered in ETF overlap for European investors.