Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
IUSB vs VCLT: how they differ
IUSB and VCLT hold 6% of their weight in the same names, and IUSB returned more over the year.
iShares Core Universal USD Bond ETF and Vanguard Long-Term Corporate Bond Index Fund.
What they hold in common
By the books each fund has filed, IUSB and VCLT hold 6% of their money in the same securities at the same weight.
| Holding | IUSB | VCLT |
|---|---|---|
| United States of America | 0.30% | 0.08% |
| Comcast Corp. | 0.03% | 0.08% |
| Anheuser-Busch Cos. LLC | 0.02% | 0.38% |
| United States of America | 0.06% | 0.02% |
| CVS Health Corp. | 0.02% | 0.34% |
| Meta Platforms, Inc. | 0.02% | 0.29% |
| Goldman Sachs Group, Inc. (The) | 0.02% | 0.15% |
| Goldman Sachs Group, Inc. (The) | 0.01% | 0.21% |
| Pfizer Investment Enterprises Pte. Ltd. | 0.01% | 0.27% |
| Wells Fargo & Co. | 0.01% | 0.14% |
| Boeing Co. (The) | 0.01% | 0.27% |
| AT&T, Inc. | 0.01% | 0.24% |
| Only in IUSB | Only in VCLT |
|---|---|
| United States of America 0.38% | Meta Platforms Inc 0.16% |
| United States of America 0.37% | United States Treasury Note/Bond 0.14% |
| United States of America 0.37% | United States Treasury Note/Bond 0.11% |
| United States of America 0.37% | BlackRock Funding Inc 0.09% |
| United States of America 0.36% | Cumberland Combined Cycle Generation LLC 0.07% |
| United States of America 0.36% | HSBC Holdings PLC 0.06% |
| United States of America 0.36% | BlackRock Funding Inc 0.05% |
| United States of America 0.35% | Meta Platforms Inc 0.04% |
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 May 31, 2026.
| IUSB iShares Core Universal USD Bond ETF | VCLT Vanguard Long-Term Corporate Bond Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | Vanguard |
| What it is | Core Universal USD Bond | Long-Term Corporate Bond |
| Total return, 1 year | −0.3% | −4.8% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −17.8 pts | −22.3 pts |
| Expense ratio | 0.06% | 0.03% |
| Holdings | 17819 | 2775 |
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.
VCLT in plain words
VCLT is a bond fund tracking the Long-Term Corporate Bond. Over the year to Sep 11, 2026 it returned −4.8% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.03% a year. It sat 18.1% below its high of Sep 22, 2021 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, IUSB or VCLT?
- In the year to Sep 12, 2026, with distributions reinvested, IUSB returned −0.3% and VCLT returned −4.8%, so IUSB returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IUSB or VCLT?
- IUSB charges 0.06% a year and VCLT charges 0.03%, so VCLT 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 VCLT, data as of Sep 12, 2026. https://etfiq.com/compare/any/IUSB-VCLT Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources