Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
SPY vs VOOG: how they differ
SPY and VOOG hold 65% 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 65% of their money in the same securities at the same weight.
| Holding | SPY | VOOG |
|---|---|---|
| NVIDIA Corp. | 7.52% | 14.29% |
| Apple, Inc. | 6.59% | 6.38% |
| Microsoft Corp. | 4.30% | 9.31% |
| Amazon.com, Inc. | 3.62% | 3.90% |
| Alphabet, Inc. | 3.25% | 6.17% |
| Broadcom, Inc. | 2.77% | 5.90% |
| Alphabet, Inc. | 2.59% | 4.90% |
| Micron Technology, Inc. | 2.02% | 3.04% |
| Meta Platforms, Inc. | 1.92% | 3.85% |
| Tesla, Inc. | 1.84% | 2.12% |
| Eli Lilly & Co. | 1.47% | 2.44% |
| Advanced Micro Devices, Inc. | 1.47% | 2.34% |
| Only in SPY | Only in VOOG |
|---|---|
| Intel Corp. 1.02% | Seagate Technology Holdings PLC 0.34% |
| Exxon Mobil Corp. 0.88% | Royal Caribbean Cruises Ltd 0.20% |
| Walmart, Inc. 0.77% | Johnson Controls International plc 0.15% |
| Costco Wholesale Corp. 0.64% | Trane Technologies PLC 0.15% |
| UnitedHealth Group, Inc. 0.59% | TE Connectivity PLC 0.12% |
| Bank of America Corp. 0.58% | Carnival Corp Ltd 0.10% |
| Home Depot, Inc. (The) 0.55% | STERIS PLC 0.03% |
| Procter & Gamble Co. (The) 0.53% | Allegion plc 0.02% |
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 Jun 30, 2026 and May 31, 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, book from IVV | 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 | 504 | 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 Jun 30, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 504 positions, with the top ten at 36.4%.
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 12, 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, 65% 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 12, 2026. https://etfiq.com/compare/any/SPY-VOOG Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources