OEF vs TSPA: Differences, Returns & Fees
OEF and TSPA hold 65% of their weight in the same names, and TSPA returned +17.4% over the year. Net assets on Oct 9, 2026: $20.8bn for iShares S&P 100 ETF and $4.7bn for T. Rowe Price U.S. Equity Research ETF.
OEF costs 0.14 points a year less; their one-year returns differ by 0.6 points; OEF is 4.4 times larger.
| OEF | TSPA | |
|---|---|---|
| Expense ratio | 0.20% | 0.34% |
| Net assets | $20.8bn | $4.7bn |
| Total return, 1 year | +16.8% | +17.4% |
| What it tracks | S&P 100 | No index, actively managed |
| Holdings in common | 65% | |
| Top ten holdings, share of the fund | 52.6% | 36.3% |
Holdings in common uses holdings dated Jun 30, 2026 and Oct 9, 2026.
What they hold in common
By the books each fund has filed, OEF and TSPA hold 65% 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 Jun 30, 2026 and Oct 9, 2026.
half
65% in common
On the same fields
OEF and TSPA 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 TSPA
TSPA is actively managed and tracks no index. Over the year to Oct 9, 2026 it returned +17.4% with distributions reinvested. The prospectus expense ratio is 0.34% a year. By its holdings filed for Jun 30, 2026, 96% of the fund by weight is stocks the S&P 500 also holds, across 328 positions, with the top ten at 36.3%.
Questions people ask
- Which returned more over the last year, OEF or TSPA?
- In the year to Oct 9, 2026, with distributions reinvested, OEF returned +16.8% and TSPA +17.4%.
- Which is cheaper, OEF or TSPA?
- OEF 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.
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.
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ETFIQ, OEF against TSPA, data as of Oct 9, 2026. https://etfiq.com/compare/any/oef-vs-tspa
ETFIQ. (Oct 9, 2026). OEF against TSPA. Retrieved from https://etfiq.com/compare/any/oef-vs-tspa
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