Data as of Sep 4, 2026. Both funds on the fields they both publish, from the same sources.
IVV vs SPY
iShares Core S&P 500 ETF and SPDR S&P 500 ETF Trust.
What they hold in common
By the books each fund has filed, IVV and SPY hold 100% of their money in the same securities at the same weight.
| Holding | IVV | SPY |
|---|---|---|
| NVIDIA Corp. | 7.52% | 7.52% |
| Apple, Inc. | 6.59% | 6.59% |
| Microsoft Corp. | 4.30% | 4.30% |
| Amazon.com, Inc. | 3.62% | 3.62% |
| Alphabet, Inc. | 3.25% | 3.25% |
| Broadcom, Inc. | 2.77% | 2.77% |
| Alphabet, Inc. | 2.59% | 2.59% |
| Micron Technology, Inc. | 2.02% | 2.02% |
| Meta Platforms, Inc. | 1.92% | 1.92% |
| Tesla, Inc. | 1.84% | 1.84% |
| Eli Lilly & Co. | 1.47% | 1.47% |
| Advanced Micro Devices, Inc. | 1.47% | 1.47% |
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 as filed for Jun 30, 2026.
| IVV iShares Core S&P 500 ETF | SPY SPDR S&P 500 ETF Trust | |
|---|---|---|
| Where it sits | Core fund | Core fund |
| Issuer | iShares | State Street |
| What it is | S&P 500 | S&P 500, book from IVV |
| Total return, 1 year | +20.1% | +20.0% |
| S&P 500 over the same days | +20.0% | +20.0% |
| Gap to the S&P 500 | +0.1 pts | +0.0 pts |
| Expense ratio | 0.03% | not published |
| Already in the S&P 500 | 100.0% | 100.0% |
| Holdings | 504 | 504 |
IVV in plain words
IVV is a index equity fund tracking S&P 500. Over the year to Sep 4, 2026 it returned +20.1% with distributions reinvested, against +20.0% for the S&P 500 and +25.6% for the Nasdaq-100. The prospectus expense ratio is 0.03% 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%.
SPY in plain words
SPY is a index equity fund tracking S&P 500, book from IVV. Over the year to Sep 4, 2026 it returned +20.0% with distributions reinvested, against +20.0% for the S&P 500 and +25.6% for the Nasdaq-100. 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%.
Questions people ask
- Which returned more over the last year, IVV or SPY?
- In the year to Sep 4, 2026, with distributions reinvested, IVV returned +20.1% and SPY returned +20.0%, so IVV returned more. One year is one year; the longer windows are in the table.
- How much do IVV and SPY overlap with the S&P 500?
- By their latest filed holdings, 100% of IVV and 100% of SPY by weight is stocks the S&P 500 already holds. Between the two funds, 100% 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, IVV against SPY, data as of Sep 4, 2026. https://etfiq.com/compare/any/IVV-SPY.html Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources