Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
SPY vs VOOG: how they differ
SPY and VOOG hold 0% of their weight in the same names.
SPDR S&P 500 ETF Trust and Vanguard S&P 500 Growth Index Fund.
What they hold in common
By the books each fund has filed, SPY and VOOG hold 0% of their money in the same securities at the same weight.
| Only in SPY | Only in VOOG |
|---|---|
| NVIDIA CORP 8.08% | NVIDIA Corp 14.29% |
| APPLE INC 7.33% | Microsoft Corp 9.31% |
| MICROSOFT CORP 5.59% | Apple Inc 6.38% |
| AMAZON.COM INC 3.77% | Alphabet Inc 6.17% |
| ALPHABET INC CL A 2.98% | Broadcom Inc 5.90% |
| BROADCOM INC 2.61% | Alphabet Inc 4.90% |
| ALPHABET INC CL C 2.39% | Amazon.com Inc 3.90% |
| META PLATFORMS INC CLASS A 2.16% | Meta Platforms Inc 3.85% |
Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated May 31, 2026 and Sep 10, 2026.
| SPY SPDR S&P 500 ETF Trust | VOOG Vanguard S&P 500 Growth Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | State Street | Vanguard |
| What it is | S&P 500 | S&P 500 Growth |
| Total return, 1 year | +17.5% | +17.8% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | 0.0 pts | +0.3 pts |
| Expense ratio | 0.09% | 0.05% |
| Already in the S&P 500 | 100.0% | 100.0% |
| Holdings | 505 | 146 |
SPY in plain words
SPY is an index equity fund tracking the S&P 500. Over the year to Sep 11, 2026 it returned +17.5% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.09% a year. By its holdings filed for Sep 10, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 505 positions, with the top ten at 38.2%.
VOOG in plain words
VOOG is an index equity fund tracking the S&P 500 Growth. Over the year to Sep 11, 2026 it returned +17.8% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.05% a year. By its holdings filed for May 31, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 146 positions, with the top ten at 60.2%.
Questions people ask
- Which returned more over the last year, SPY or VOOG?
- In the year to Sep 13, 2026, with distributions reinvested, SPY returned +17.5% and VOOG returned +17.8%, so VOOG returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, SPY or VOOG?
- SPY charges 0.09% a year and VOOG charges 0.05%, so VOOG is cheaper. Fees come from each fund's prospectus.
- How much do SPY and VOOG overlap with the S&P 500?
- By their latest filed holdings, 100% of SPY and 100% of VOOG by weight is stocks the S&P 500 already holds. Between the two funds, 0% of their books are the same securities at the same weight.
Other comparisons
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Where these figures came from
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.
Cite this page. ETFIQ, SPY against VOOG, data as of Sep 13, 2026. https://etfiq.com/compare/any/spy-vs-voog Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources