Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
IYW vs RSP: how they differ
IYW and RSP hold 12% of their weight in the same names, and IYW returned more over the year.
iShares U.S. Technology ETF and Invesco S&P 500 Equal Weight ETF.
What they hold in common
By the books each fund has filed, IYW and RSP hold 12% of their money in the same securities at the same weight.
| Holding | IYW | RSP |
|---|---|---|
| INTEL CORPORATION | 2.56% | 0.38% |
| ADVANCED MICRO DEVICES, INC. | 3.50% | 0.33% |
| SANDISK CORPORATION | 0.96% | 0.32% |
| WESTERN DIGITAL CORPORATION | 0.91% | 0.31% |
| MONOLITHIC POWER SYSTEMS, INC. | 0.46% | 0.29% |
| DELL TECHNOLOGIES INC. | 0.40% | 0.27% |
| MICROCHIP TECHNOLOGY INCORPORATED | 0.30% | 0.27% |
| TEXAS INSTRUMENTS INCORPORATED | 1.57% | 0.27% |
| QUALCOMM INCORPORATED | 1.18% | 0.26% |
| ON SEMICONDUCTOR CORPORATION | 0.25% | 0.33% |
| Coherent Corp. | 0.34% | 0.24% |
| ANALOG DEVICES, INC. | 1.21% | 0.24% |
| Only in IYW | Only in RSP |
|---|---|
| MARVELL TECHNOLOGY, INC. 0.86% | Seagate Technology Holdings PLC 0.34% |
| CLOUDFLARE, INC. 0.39% | Ciena Corp. 0.30% |
| STRATEGY INC 0.32% | Centene Corp. 0.29% |
| SNOWFLAKE INC. 0.28% | NXP Semiconductors N.V. 0.28% |
| FLEX LTD. 0.21% | Humana Inc. 0.27% |
| ZOOM COMMUNICATIONS, INC. 0.16% | Lumentum Holdings Inc. 0.26% |
| Astera Labs, Inc 0.15% | Nucor Corp. 0.25% |
| Everpure, Inc 0.14% | Comfort Systems USA, Inc. 0.25% |
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 Apr 30, 2026.
| IYW iShares U.S. Technology ETF | RSP Invesco S&P 500 Equal Weight ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | Invesco |
| What it is | U.S. Technology | S&P 500 equal weight |
| Total return, 1 year | +34.9% | +14.8% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +17.4 pts | −2.7 pts |
| Expense ratio | 0.37% | 0.20% |
| Already in the S&P 500 | 95.5% | 99.1% |
| Holdings | 139 | 503 |
IYW in plain words
IYW is an index equity fund tracking the U.S. Technology. Over the year to Sep 11, 2026 it returned +34.9% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.37% a year. By its holdings filed for Apr 30, 2026, 96% of the fund by weight is stocks the S&P 500 also holds, across 139 positions, with the top ten at 63.7%.
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 Apr 30, 2026, 99% of the fund by weight is stocks the S&P 500 also holds, across 503 positions, with the top ten at 3.2%. It sat 3.5% below its high of Aug 14, 2026 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, IYW or RSP?
- In the year to Sep 12, 2026, with distributions reinvested, IYW returned +34.9% and RSP returned +14.8%, so IYW returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IYW or RSP?
- IYW charges 0.37% a year and RSP charges 0.20%, so RSP is cheaper. Fees come from each fund's prospectus.
- How much do IYW and RSP overlap with the S&P 500?
- By their latest filed holdings, 96% of IYW and 99% of RSP by weight is stocks the S&P 500 already holds. Between the two funds, 12% 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, IYW against RSP, data as of Sep 12, 2026. https://etfiq.com/compare/any/IYW-RSP Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources