Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
IWB vs XLG: how they differ
IWB and XLG hold 53% of their weight in the same names, and IWB returned more over the year.
iShares Russell 1000 ETF and Invesco S&P 500 Top 50 ETF.
What they hold in common
By the books each fund has filed, IWB and XLG hold 53% of their money in the same securities at the same weight.
| Holding | IWB | XLG |
|---|---|---|
| NVIDIA CORPORATION | 6.73% | 13.10% |
| APPLE INC. | 6.03% | 10.76% |
| MICROSOFT CORPORATION | 4.00% | 8.18% |
| AMAZON.COM, INC. | 3.33% | 6.99% |
| ALPHABET INC. | 3.00% | 6.05% |
| BROADCOM INC. | 2.54% | 4.85% |
| ALPHABET INC. | 2.42% | 4.82% |
| META PLATFORMS, INC. | 1.79% | 3.61% |
| TESLA, INC. | 1.77% | 2.90% |
| ELI LILLY AND COMPANY | 1.38% | 2.00% |
| ADVANCED MICRO DEVICES, INC. | 1.36% | 1.56% |
| BERKSHIRE HATHAWAY INC. | 1.34% | 2.35% |
| Only in IWB | Only in XLG |
|---|---|
| MICRON TECHNOLOGY, INC. 1.88% | |
| INTEL CORPORATION 0.88% | |
| APPLIED MATERIALS, INC. 0.83% | |
| LAM RESEARCH CORPORATION 0.78% | |
| KLA CORPORATION 0.57% | |
| SANDISK CORPORATION 0.48% | |
| GE VERNOVA INC. 0.46% | |
| PALO ALTO NETWORKS, INC. 0.40% |
Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated Apr 30, 2026 and Jun 30, 2026.
| IWB iShares Russell 1000 ETF | XLG Invesco S&P 500 Top 50 ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | Invesco |
| What it is | Russell 1000 | S&P 500 top 50 |
| Total return, 1 year | +16.7% | +12.2% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −0.8 pts | −5.3 pts |
| Expense ratio | 0.15% | 0.20% |
| Already in the S&P 500 | 91.9% | 100.0% |
| Holdings | 1024 | 51 |
IWB in plain words
IWB is an index equity fund tracking the Russell 1000. Over the year to Sep 11, 2026 it returned +16.7% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.15% a year. By its holdings filed for Jun 30, 2026, 92% of the fund by weight is stocks the S&P 500 also holds, across 1024 positions, with the top ten at 33.5%.
XLG in plain words
XLG is an index equity fund tracking the S&P 500 top 50. Over the year to Sep 11, 2026 it returned +12.2% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.20% a year. By its holdings filed for Apr 30, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 51 positions, with the top ten at 63.6%.
Questions people ask
- Which returned more over the last year, IWB or XLG?
- In the year to Sep 12, 2026, with distributions reinvested, IWB returned +16.7% and XLG returned +12.2%, so IWB returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IWB or XLG?
- IWB charges 0.15% a year and XLG charges 0.20%, so IWB is cheaper. Fees come from each fund's prospectus.
- How much do IWB and XLG overlap with the S&P 500?
- By their latest filed holdings, 92% of IWB and 100% of XLG by weight is stocks the S&P 500 already holds. Between the two funds, 53% of their books are the same securities at the same weight.
Other comparisons
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Where these figures came from
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.
Cite this page. ETFIQ, IWB against XLG, data as of Sep 12, 2026. https://etfiq.com/compare/any/IWB-XLG Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources