Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
IUSB vs SPSB: how they differ
IUSB and SPSB hold 4% of their weight in the same names, and SPSB returned more over the year.
iShares Core Universal USD Bond ETF and State Street(R) SPDR(R) Portfolio Short Term Corporate Bond ETF.
What they hold in common
By the books each fund has filed, IUSB and SPSB hold 4% of their money in the same securities at the same weight.
| Holding | IUSB | SPSB |
|---|---|---|
| Bank of America Corp. | 0.02% | 0.44% |
| Goldman Sachs Group, Inc. (The) | 0.02% | 0.33% |
| CVS Health Corp. | 0.01% | 0.29% |
| Goldman Sachs Group, Inc. (The) | 0.01% | 0.32% |
| Wells Fargo & Co. | 0.01% | 0.26% |
| Bank of America Corp. | 0.01% | 0.31% |
| Morgan Stanley | 0.01% | 0.22% |
| Morgan Stanley | 0.01% | 0.04% |
| Morgan Stanley | 0.01% | 0.10% |
| AerCap Ireland Capital DAC | 0.01% | 0.46% |
| Amgen, Inc. | 0.01% | 0.26% |
| Bank of America Corp. | 0.01% | 0.21% |
| Only in IUSB | Only in SPSB |
|---|---|
| United States of America 0.38% | WELLS FARGO & COMPANY 0.34% |
| United States of America 0.37% | HSBC HOLDINGS PLC 0.23% |
| United States of America 0.37% | NVIDIA CORP 0.20% |
| United States of America 0.37% | APPLE INC 0.18% |
| United States of America 0.36% | CANADIAN NATL RAILWAY 0.18% |
| United States of America 0.36% | NVIDIA CORP 0.18% |
| United States of America 0.36% | BANK OF AMERICA CORP 0.17% |
| United States of America 0.35% | BARCLAYS PLC 0.16% |
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 and Jun 30, 2026.
| IUSB iShares Core Universal USD Bond ETF | SPSB State Street(R) SPDR(R) Portfolio Short Term Corporate Bond ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | State Street |
| What it is | Core Universal USD Bond | SPDR Portfolio Short Term Corporate Bond |
| Total return, 1 year | −0.3% | +2.5% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −17.8 pts | −15.1 pts |
| Expense ratio | 0.06% | 0.04% |
| Holdings | 17819 | 1599 |
IUSB in plain words
IUSB is a bond fund tracking the Core Universal USD Bond. Over the year to Sep 11, 2026 it returned −0.3% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.06% a year.
SPSB in plain words
SPSB is a bond fund tracking the SPDR Portfolio Short Term Corporate Bond. Over the year to Sep 11, 2026 it returned +2.5% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.04% a year.
Questions people ask
- Which returned more over the last year, IUSB or SPSB?
- In the year to Sep 12, 2026, with distributions reinvested, IUSB returned −0.3% and SPSB returned +2.5%, so SPSB returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IUSB or SPSB?
- IUSB charges 0.06% a year and SPSB charges 0.04%, so SPSB is cheaper. Fees come from each fund's prospectus.
Other comparisons
Where to next
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, IUSB against SPSB, data as of Sep 12, 2026. https://etfiq.com/compare/any/IUSB-SPSB Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources