IWF vs PABU: Differences, Returns & Fees
IWF and PABU hold 54% of their weight in the same names, and PABU returned +10.2% over the year. Net assets on Oct 20, 2026: $125.0bn for iShares Russell 1000 Growth ETF and $2.5bn for iShares Paris-Aligned Climate Optimized MSCI USA ETF.
PABU costs 0.08 points a year less; their one-year returns differ by 6.2 points; IWF is far larger, $125.0bn against $2.5bn.
| IWF | PABU | |
|---|---|---|
| Expense ratio | 0.18% | 0.10% |
| Net assets | $125.0bn | $2.5bn |
| Total return, 1 year | +4.0% | +10.2% |
| What it tracks | Russell 1000 Growth Index | MSCI USA Climate Paris Aligned Benchmark Extended Select Index |
| Holdings in common | 54% | |
| Top ten holdings, share of the fund | 57.8% | 48.9% |
| Below its high | 5.2%, high on Oct 6, 2026 | |
Holdings in common uses holdings dated Oct 19, 2026.
IWF and PABU are built for the same job. How do they differ in cost, holdings and results?
- What each follows. IWF follows Russell 1000 Growth Index and PABU follows MSCI USA Climate Paris Aligned Benchmark Extended Select Index.
- One-year total return. Over 1 year to Oct 20, 2026 IWF returned +4.0% and PABU +10.2% with distributions reinvested, a gap of 6.2 points.
- Number of holdings. IWF holds 373 positions and PABU holds 88.
Data as of Oct 20, 2026. The differences are picked by a fixed rule, in a fixed order; the PDF prints it. Page 2 has the returns, overlap, risks and sources.
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What they hold in common
By the books each fund has filed, IWF and PABU hold 54% of their money in the same securities at the same weight. Holdings dated Oct 19, 2026.
half
54% in common
On the same fields
IWF and PABU on the fields both publish, as of Oct 20, 2026. Source: ETFIQ.
About IWF
IWF tracks the Russell 1000 growth. Over the year to Oct 20, 2026 it returned +4.0% with distributions reinvested, against +4.1% for its benchmark, the Russell 1000 Growth Index. The prospectus expense ratio is 0.18% a year. By its holdings published by its issuer for Oct 19, 2026, 94% of the fund by weight is stocks the S&P 500 also holds, across 373 positions, with the top ten at 57.8%. It sat 5.2% below its high of Oct 6, 2026 on Oct 20, 2026.
About PABU
PABU tracks an index. Over the year to Oct 20, 2026 it returned +10.2% with distributions reinvested, against +15.4% 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 19, 2026, 97% of the fund by weight is stocks the S&P 500 also holds, across 88 positions, with the top ten at 48.9%.
Questions people ask
- Which returned more over the last year, IWF or PABU?
- In the year to Oct 20, 2026, with distributions reinvested, IWF returned +4.0% and PABU +10.2%.
- Which is cheaper, IWF or PABU?
- PABU is cheaper, by 0.08 percentage points a year. That is about $8 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, IWF against PABU, data as of Oct 20, 2026. https://etfiq.com/compare/any/iwf-vs-pabu
ETFIQ. (Oct 20, 2026). IWF against PABU. Retrieved from https://etfiq.com/compare/any/iwf-vs-pabu
[IWF against PABU (ETFIQ, Oct 20, 2026)](https://etfiq.com/compare/any/iwf-vs-pabu)
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