Data as of Oct 28, 2026.
ITOT vs PABU: Differences, Returns & Fees
Over the year to Oct 28, 2026, ITOT returned +13.4% to PABU's +8.2%; 42% of their weight is in the same names.
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Net assets on Oct 27, 2026: $97.1bn for iShares Core S&P Total U.S. Stock Market ETF and $2.5bn for iShares Paris-Aligned Climate Optimized MSCI USA ETF.
Pair scorecard
ITOT costs 0.07 points a year less; their one-year returns differ by 5.2 points; ITOT is far larger, $97.1bn against $2.5bn.
| Measure | ITOT | PABU |
|---|---|---|
| Return | ||
| Total return, 1 year | +13.4% | +8.2% |
| Benchmark | ||
| What it tracks | S&P Total Market Index (TMI) | MSCI USA Climate Paris Aligned Benchmark Extended Select Index |
| Cost and size | ||
| Expense ratio | 0.03% | 0.10% |
| Net assets, as of Oct 27, 2026 | $97.1bn | $2.5bn |
| Holdings | ||
| Holdings in common | 42% | |
| Top ten holdings, share of the fund | 33.9% | 49.1% |
Holdings in common uses holdings dated Oct 27, 2026. Method
Risk and return
Apr 29, 2022 to Oct 23, 2026 · 234 weekly returnsITOT returned more: +91.7% to +81.9%. ITOT swung slightly less: 16.4% to 17.7%. ITOT fell slightly less at its worst: −17.5% to −19.0%.
Full scorecard
9 measures, with how each is measured Open ↓
| Measure | ITOT | PABU | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +91.7% | +81.9% | ITOT | Price change plus distributions, reinvested. |
| Annualized | +15.6% | +14.2% | ITOT (slight) | Total return as a yearly rate. |
| Price return | +80.3% | +73.3% | ITOT (slight) | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 16.4% | 17.7% | ITOT (slight) | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 10.9% | 11.6% | ITOT (slight) | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −17.5% | −19.0% | ITOT (slight) | Deepest fall from a high to the low after it. |
| Risk-adjusted | ||||
| Sharpe | 0.70 | 0.60 | ITOT | Return above Treasury bills per unit of volatility. |
| Sortino | 1.05 | 0.91 | ITOT | Return above Treasury bills per unit of downside deviation. |
| Calmar | 0.89 | 0.75 | ITOT | 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, ITOT and PABU hold 42% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.
half
42% in common
Only in one fund ↓
Side by side
ITOT and PABU on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
ITOT and PABU are built for the same job. How do they differ in cost, holdings and results?
- What each follows. ITOT follows S&P Total Market Index (TMI) and PABU follows MSCI USA Climate Paris Aligned Benchmark Extended Select Index.
- Holdings in common. 42% of the weight is in the same securities (holdings dated Oct 27, 2026).
- One-year total return. Over 1 year to Oct 28, 2026 ITOT returned +13.4% and PABU +8.2% with distributions reinvested, a gap of 5.2 points.
Data as of Oct 28, 2026.
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ITOT
ITOT tracks the S&P Total U.S. Stock Market. Over the year to Oct 28, 2026 it returned +13.4% with distributions reinvested. The prospectus expense ratio is 0.03% a year. By its holdings published by its issuer for Oct 27, 2026, 88% of the fund by weight is stocks the S&P 500 also holds, across 2,443 positions, with the top ten at 33.9%.
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, ITOT or PABU?
- In the year to Oct 28, 2026, with distributions reinvested, ITOT returned +13.4% and PABU +8.2%.
- Which is cheaper, ITOT or PABU?
- ITOT is cheaper, by 0.07 percentage points a year. That is about $7 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, ITOT against PABU, data as of Oct 28, 2026. https://etfiq.com/compare/any/itot-vs-pabu
ETFIQ. (Oct 28, 2026). ITOT against PABU. Retrieved from https://etfiq.com/compare/any/itot-vs-pabu
[ITOT against PABU (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/itot-vs-pabu)
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