Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
RSP vs SPY: how they differ
RSP and SPY hold 44% of their weight in the same names, and SPY returned more over the year.
Invesco S&P 500 Equal Weight ETF and SPDR S&P 500 ETF Trust.
What they hold in common
By the books each fund has filed, RSP and SPY hold 44% of their money in the same securities at the same weight.
| Holding | RSP | SPY |
|---|---|---|
| Salesforce Inc | 0.28% | 0.30% |
| Crowdstrike Holdings Inc | 0.25% | 0.33% |
| Palo Alto Networks Inc | 0.25% | 0.42% |
| Palantir Technologies Inc | 0.25% | 0.58% |
| Thermo Fisher Scientific Inc | 0.24% | 0.34% |
| Arista Networks Inc | 0.24% | 0.30% |
| Microsoft Corp | 0.24% | 5.59% |
| Merck & Co Inc | 0.24% | 0.55% |
| Deere & Co | 0.23% | 0.26% |
| Charles Schwab Corp/The | 0.23% | 0.27% |
| Gilead Sciences Inc | 0.23% | 0.28% |
| Abbott Laboratories | 0.23% | 0.28% |
| Only in RSP | Only in SPY |
|---|---|
| ONEOK Inc/OK 0.20% | US DOLLAR 0.18% |
| E-mini S&P 500 Equal Weight Futures 0.20% | FALCON TOPCO INC 0.09% |
| Invesco Government & Agency Portfolio 0.13% | CONTRA HOLOGIC INCORPO 0.00% |
| CASH COLLATERAL 0.01% |
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 Sep 10, 2026.
| RSP Invesco S&P 500 Equal Weight ETF | SPY SPDR S&P 500 ETF Trust | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | Invesco | State Street |
| What it is | S&P 500 equal weight | S&P 500 |
| Total return, 1 year | +14.8% | +17.5% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −2.7 pts | 0.0 pts |
| Expense ratio | 0.20% | 0.09% |
| Already in the S&P 500 | 99.1% | 100.0% |
| Holdings | 506 | 505 |
RSP in plain words
RSP is an index equity fund tracking the S&P 500 equal weight. Over the year to Sep 11, 2026 it returned +14.8% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.20% a year. By its holdings filed for Sep 10, 2026, 99% of the fund by weight is stocks the S&P 500 also holds, across 506 positions, with the top ten at 3.2%. It sat 3.5% below its high of Aug 14, 2026 on Sep 11, 2026.
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%.
Questions people ask
- Which returned more over the last year, RSP or SPY?
- In the year to Sep 13, 2026, with distributions reinvested, RSP returned +14.8% and SPY returned +17.5%, so SPY returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, RSP or SPY?
- RSP charges 0.20% a year and SPY charges 0.09%, so SPY is cheaper. Fees come from each fund's prospectus.
- How much do RSP and SPY overlap with the S&P 500?
- By their latest filed holdings, 99% of RSP and 100% of SPY by weight is stocks the S&P 500 already holds. Between the two funds, 44% 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, RSP against SPY, data as of Sep 13, 2026. https://etfiq.com/compare/any/rsp-vs-spy Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources