Data as of Oct 28, 2026.
IUSB vs RSP: Differences, Returns & Fees
Over the year to Oct 28, 2026, IUSB returned −1.2% to RSP's +16.0%; 0% of their weight is in the same names.
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askIQ about IUSB and RSPNet assets on Oct 27, 2026: $49.8bn for iShares Core Universal USD Bond ETF and $99.8bn for Invesco S&P 500 Equal Weight ETF.
Pair scorecard
IUSB costs 0.14 points a year less; their one-year returns differ by 17.2 points; RSP is 2.0 times larger.
| Measure | IUSB | RSP |
|---|---|---|
| Return | ||
| Total return, 1 year | −1.2% | +16.0% |
| Benchmark | ||
| What it tracks | Bloomberg U.S. Universal Index | S&P 500 Equal Weight Index |
| Cost and size | ||
| Expense ratio | 0.06% | 0.20% |
| Net assets, as of Oct 27, 2026 | $49.8bn | $99.8bn |
| Holdings | ||
| Holdings in common | 0% | |
| In the S&P 500, by weight | 100% | |
| Top ten holdings, share of the fund | 2.7% | |
Holdings in common uses holdings dated Oct 27, 2026. Method
What they share
By the books each fund has filed, IUSB and RSP hold 0% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.
half
0% in common
Only in one fund ↓
Side by side
IUSB and RSP on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
IUSB
IUSB tracks an index of Universal USD Bond. Over the year to Oct 28, 2026 it returned −1.2% with distributions reinvested. The prospectus expense ratio is 0.06% a year.
RSP
RSP tracks the S&P 500 equal weight. Over the year to Oct 28, 2026 it returned +16.0% with distributions reinvested, against +13.7% for its benchmark, the S&P 500 Index. The prospectus expense ratio is 0.20% a year. By its holdings published by its issuer for Oct 27, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 508 positions, with the top ten at 2.7%.
Questions people ask
- Which returned more over the last year, IUSB or RSP?
- In the year to Oct 28, 2026, with distributions reinvested, IUSB returned −1.2% and RSP +16.0%.
- Which is cheaper, IUSB or RSP?
- IUSB is cheaper, by 0.14 percentage points a year. That is about $14 on $10,000 held for a year. Fees come from each fund's prospectus.
Links are sources, not endorsements. A comparison is not a recommendation.
How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
Cite this pageCitation, APA and Markdown
ETFIQ, IUSB against RSP, data as of Oct 28, 2026. https://etfiq.com/compare/any/iusb-vs-rsp
ETFIQ. (Oct 28, 2026). IUSB against RSP. Retrieved from https://etfiq.com/compare/any/iusb-vs-rsp
[IUSB against RSP (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/iusb-vs-rsp)
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