Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
IWB vs JAAA: how they differ
IWB and JAAA hold 0% of their weight in the same names, and IWB returned more over the year.
iShares Russell 1000 ETF and Janus Henderson AAA CLO ETF.
What they hold in common
By the books each fund has filed, IWB and JAAA hold 0% of their money in the same securities at the same weight.
| Only in IWB | Only in JAAA |
|---|---|
| NVIDIA CORPORATION 6.73% | KKR CLO 35 Ltd. 0.96% |
| APPLE INC. 6.03% | AB BSL CLO 1 Ltd. 0.88% |
| MICROSOFT CORPORATION 4.00% | Anchorage Capital CLO 16 Ltd. 0.82% |
| AMAZON.COM, INC. 3.33% | Anchorage Capital CLO 17 Ltd. 0.80% |
| ALPHABET INC. 3.00% | Carlyle US CLO Ltd. 0.70% |
| BROADCOM INC. 2.54% | Carlyle US CLO Ltd. 0.67% |
| ALPHABET INC. 2.42% | Regatta XIX Funding Ltd. 0.67% |
| MICRON TECHNOLOGY, INC. 1.88% | Magnetite XXXII Ltd. 0.67% |
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 | JAAA Janus Henderson AAA CLO ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | Janus |
| What it is | Russell 1000 | Henderson AAA CLO |
| Total return, 1 year | +16.7% | +4.9% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −0.8 pts | −12.6 pts |
| Expense ratio | 0.15% | 0.20% |
| Already in the S&P 500 | 91.9% | 0.0% |
| Holdings | 1024 | 600 |
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%.
JAAA in plain words
JAAA is an index equity fund tracking the Henderson AAA CLO. Over the year to Sep 11, 2026 it returned +4.9% 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, 0% of the fund by weight is stocks the S&P 500 also holds, across 600 positions, with the top ten at 7.5%.
Questions people ask
- Which returned more over the last year, IWB or JAAA?
- In the year to Sep 12, 2026, with distributions reinvested, IWB returned +16.7% and JAAA returned +4.9%, so IWB returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IWB or JAAA?
- IWB charges 0.15% a year and JAAA charges 0.20%, so IWB is cheaper. Fees come from each fund's prospectus.
- How much do IWB and JAAA overlap with the S&P 500?
- By their latest filed holdings, 92% of IWB and 0% of JAAA by weight is stocks the S&P 500 already holds. Between the two funds, 0% of their books are the same securities at the same weight.
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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 JAAA, data as of Sep 12, 2026. https://etfiq.com/compare/any/IWB-JAAA Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources