Data as of Oct 28, 2026.
OEF vs PABU: Differences, Returns & Fees
Over the year to Oct 28, 2026, OEF returned +11.8% to PABU's +8.2%; 50% of their weight is in the same names.
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Net assets on Oct 27, 2026: $20.5bn for iShares S&P 100 ETF and $2.5bn for iShares Paris-Aligned Climate Optimized MSCI USA ETF.
Pair scorecard
PABU costs 0.10 points a year less; their one-year returns differ by 3.6 points; OEF is 8.2 times larger.
| Measure | OEF | PABU |
|---|---|---|
| Return | ||
| Total return, 1 year | +11.8% | +8.2% |
| Benchmark | ||
| What it tracks | S&P 100 | MSCI USA Climate Paris Aligned Benchmark Extended Select Index |
| Cost and size | ||
| Expense ratio | 0.20% | 0.10% |
| Net assets, as of Oct 27, 2026 | $20.5bn | $2.5bn |
| Holdings | ||
| Holdings in common | 50% | |
| Top ten holdings, share of the fund | 51.6% | 49.1% |
Holdings in common uses holdings dated Oct 27, 2026. Method
Risk and return
Apr 29, 2022 to Oct 23, 2026 · 234 weekly returnsOEF returned more: +111.6% to +81.9%. OEF swung slightly less: 16.9% to 17.7%. OEF fell slightly less at its worst: −18.2% to −19.0%.
Full scorecard
9 measures, with how each is measured Open ↓
| Measure | OEF | PABU | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +111.6% | +81.9% | OEF | Price change plus distributions, reinvested. |
| Annualized | +18.1% | +14.2% | OEF | Total return as a yearly rate. |
| Price return | +101.0% | +73.3% | OEF | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 16.9% | 17.7% | OEF (slight) | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 11.0% | 11.6% | OEF (slight) | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −18.2% | −19.0% | OEF (slight) | Deepest fall from a high to the low after it. |
| Risk-adjusted | ||||
| Sharpe | 0.81 | 0.60 | OEF | Return above Treasury bills per unit of volatility. |
| Sortino | 1.25 | 0.91 | OEF | Return above Treasury bills per unit of downside deviation. |
| Calmar | 1.00 | 0.75 | OEF | Annualized return divided by the max drawdown. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 234 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, OEF and PABU hold 50% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.
half
50% in common
Only in one fund ↓
Side by side
OEF and PABU on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
OEF and PABU are built for the same job. How do they differ in cost, holdings and results?
- What each follows. OEF follows S&P 100 and PABU follows MSCI USA Climate Paris Aligned Benchmark Extended Select Index.
- Holdings in common. 50% of the weight is in the same securities (holdings dated Oct 27, 2026).
- One-year total return. Over 1 year to Oct 28, 2026 OEF returned +11.8% and PABU +8.2% with distributions reinvested, a gap of 3.6 points.
Data as of Oct 28, 2026.
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OEF
OEF tracks an index. Over the year to Oct 28, 2026 it returned +11.8% with distributions reinvested. 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 102 positions, with the top ten at 51.6%.
PABU
PABU tracks an index. Over the year to Oct 28, 2026 it returned +8.2% with distributions reinvested, against +13.3% for its benchmark, the MSCI USA Index. The prospectus expense ratio is 0.10% a year. By its holdings published by its issuer for Oct 27, 2026, 93% of the fund by weight is stocks the S&P 500 also holds, across 88 positions, with the top ten at 49.1%.
Questions people ask
- Which returned more over the last year, OEF or PABU?
- In the year to Oct 28, 2026, with distributions reinvested, OEF returned +11.8% and PABU +8.2%.
- Which is cheaper, OEF or PABU?
- PABU is cheaper, by 0.10 percentage points a year. That is about $10 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.
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ETFIQ, OEF against PABU, data as of Oct 28, 2026. https://etfiq.com/compare/any/oef-vs-pabu
ETFIQ. (Oct 28, 2026). OEF against PABU. Retrieved from https://etfiq.com/compare/any/oef-vs-pabu
[OEF against PABU (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/oef-vs-pabu)
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