Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
IJH vs IWO: how they differ
IJH and IWO hold 4% of their weight in the same names, and IWO returned more over the year.
iShares Core S&P Mid-Cap ETF and iShares Russell 2000 Growth ETF.
What they hold in common
By the books each fund has filed, IJH and IWO hold 4% of their money in the same securities at the same weight.
| Holding | IJH | IWO |
|---|---|---|
| MOOG INC | 0.33% | 0.73% |
| ENERSYS | 0.24% | 0.49% |
| FIRSTCASH HOLDINGS INC | 0.23% | 0.54% |
| HEALTHEQUITY INC | 0.21% | 0.46% |
| HIMS & HERS HEALTH INC | 0.20% | 0.45% |
| INTERDIGITAL INC | 0.20% | 0.45% |
| LANTHEUS HOLDINGS INC | 0.20% | 0.43% |
| SILICON LABORATORIES INC | 0.20% | 0.44% |
| COMMVAULT SYSTEMS INC | 0.16% | 0.38% |
| NOVANTA INC | 0.16% | 0.35% |
| FLUOR CORP | 0.20% | 0.14% |
| QUALYS INC | 0.13% | 0.30% |
| Only in IJH | Only in IWO |
|---|---|
| TWILIO INC 0.86% | BrightSpring Health Services, Inc. 0.68% |
| CARPENTER TECHNOLOGY CORP 0.85% | MaxLinear, Inc. 0.67% |
| MKS INC 0.83% | Argan, Inc. 0.66% |
| CURTISS-WRIGHT CORP 0.77% | JFrog Ltd. 0.60% |
| ENTEGRIS INC 0.76% | Krystal Biotech, Inc. 0.58% |
| NVENT ELECTRIC PLC 0.76% | ESCO Technologies, Inc. 0.56% |
| ATI INC 0.74% | D-Wave Quantum, Inc. 0.53% |
| ILLUMINA INC 0.73% | StoneX Group, Inc. 0.52% |
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 Jun 30, 2026.
| IJH iShares Core S&P Mid-Cap ETF | IWO iShares Russell 2000 Growth ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | iShares |
| What it is | S&P MidCap 400 | Russell 2000 Growth |
| Total return, 1 year | +13.4% | +17.0% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −4.1 pts | −0.5 pts |
| Expense ratio | 0.05% | 0.24% |
| Already in the S&P 500 | 0.0% | 0.0% |
| Holdings | 400 | 1133 |
IJH in plain words
IJH is an index equity fund tracking the S&P MidCap 400. Over the year to Sep 11, 2026 it returned +13.4% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.05% a year. By its holdings filed for Jun 30, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 400 positions, with the top ten at 7.7%. It sat 5.4% below its high of Aug 14, 2026 on Sep 11, 2026.
IWO in plain words
IWO is an index equity fund tracking the Russell 2000 Growth. Over the year to Sep 11, 2026 it returned +17.0% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.24% a year. By its holdings filed for Jun 30, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 1133 positions, with the top ten at 6.1%. It sat 7.1% below its high of Aug 14, 2026 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, IJH or IWO?
- In the year to Sep 12, 2026, with distributions reinvested, IJH returned +13.4% and IWO returned +17.0%, so IWO returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IJH or IWO?
- IJH charges 0.05% a year and IWO charges 0.24%, so IJH is cheaper. Fees come from each fund's prospectus.
- How much do IJH and IWO overlap with the S&P 500?
- By their latest filed holdings, 0% of IJH and 0% of IWO by weight is stocks the S&P 500 already holds. Between the two funds, 4% of their books are the same securities at the same weight.
Other comparisons
Where to next
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, IJH against IWO, data as of Sep 12, 2026. https://etfiq.com/compare/any/IJH-IWO Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources