OEF vs PBUS: Differences, Returns & Fees
OEF and PBUS hold 73% of their weight in the same names. Net assets on Oct 9, 2026: $20.8bn for iShares S&P 100 ETF and $10.8bn for Invesco MSCI USA ETF.
PBUS costs 0.16 points a year less; their one-year returns differ by 0.1 points; OEF is 1.9 times larger.
| OEF | PBUS | |
|---|---|---|
| Expense ratio | 0.20% | 0.04% |
| Net assets | $20.8bn | $10.8bn |
| Total return, 1 year | +16.8% | +16.9% |
| What it tracks | S&P 100 | MSCI USA Index |
| Holdings in common | 73% | |
| Holdings dated | Oct 9, 2026 | Oct 10, 2026 |
| Top ten holdings, share of the fund | 52.6% | 38.2% |
Holdings in common uses holdings dated Oct 9, 2026.
What they hold in common
By the books each fund has filed, OEF and PBUS hold 73% of their money in the same securities at the same weight. Above 50%, holding both is close to holding one of them twice. Holdings dated Oct 9, 2026.
half
73% in common
On the same fields
OEF and PBUS on the fields both publish, as of Oct 9, 2026. Source: ETFIQ.
About OEF
OEF tracks an index. Over the year to Oct 9, 2026 it returned +16.8% with distributions reinvested. The prospectus expense ratio is 0.20% a year. By its holdings published by its issuer for Oct 9, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 102 positions, with the top ten at 52.6%.
About PBUS
PBUS tracks an index. Over the year to Oct 9, 2026 it returned +16.9% with distributions reinvested. The prospectus expense ratio is 0.04% a year. By its holdings published by its issuer for Oct 10, 2026, 97% of the fund by weight is stocks the S&P 500 also holds, across 516 positions, with the top ten at 38.2%.
Questions people ask
- Which returned more over the last year, OEF or PBUS?
- In the year to Oct 9, 2026, with distributions reinvested, OEF returned +16.8% and PBUS +16.9%.
- Which is cheaper, OEF or PBUS?
- PBUS is cheaper, by 0.16 percentage points a year. That is about $16 on $10,000 held for a year. Fees come from each fund's prospectus.
ETFIQ links to the documents behind every figure; a link is not an endorsement. 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, OEF against PBUS, data as of Oct 9, 2026. https://etfiq.com/compare/any/oef-vs-pbus
ETFIQ. (Oct 9, 2026). OEF against PBUS. Retrieved from https://etfiq.com/compare/any/oef-vs-pbus
[OEF against PBUS (ETFIQ, Oct 9, 2026)](https://etfiq.com/compare/any/oef-vs-pbus)
Free to use with attribution for figures ETFIQ computes; issuer data stays under its owner's terms.