Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
IJR vs IWO: how they differ
IJR and IWO hold 39% of their weight in the same names, and IJR returned more over the year.
iShares Core S&P Small-Cap ETF and iShares Russell 2000 Growth ETF.
What they hold in common
By the books each fund has filed, IJR and IWO hold 39% of their money in the same securities at the same weight.
| Holding | IJR | IWO |
|---|---|---|
| GLAUKOS | 0.57% | 0.65% |
| BRINKER INTERNATIONAL INC | 0.52% | 0.61% |
| PROTAGONIST THERAPEUTICS | 0.50% | 0.59% |
| RYMAN HOSPITALITY PROPERTIES REIT | 0.47% | 0.55% |
| STONEX GROUP INC | 0.42% | 0.50% |
| TG THERAPEUTICS | 0.42% | 0.53% |
| ALKERMES | 0.44% | 0.40% |
| ESCO TECHNOLOGIES | 0.39% | 0.47% |
| FEDERAL SIGNAL CORP | 0.39% | 0.46% |
| ZURN ELKAY WATER SOLUTIONS CORP | 0.39% | 0.45% |
| PLEXUS CORP | 0.38% | 0.44% |
| MAGNOLIA OIL GAS CORP CLASS A | 0.36% | 0.42% |
| Only in IJR | Only in IWO |
|---|---|
| CORCEPT THERAPEUTICS 0.62% | MOOG INC CLASS A 0.69% |
| VIASAT INC 0.57% | JFROG 0.64% |
| MATCH GROUP INC 0.56% | BRIGHTSPRING HEALTH SERVICES INC 0.62% |
| QORVO 0.51% | FIRSTCASH HOLDINGS INC 0.62% |
| PAYCOM SOFTWARE 0.51% | INTERDIGITAL INC 0.60% |
| FORMFACTOR INC 0.50% | KRYSTAL BIOTECH 0.59% |
| CARMAX INC 0.49% | PRAXIS PRECISION MEDICINES 0.56% |
| ELEMENT SOLUTIONS INC 0.45% | TWIST BIOSCIENCE 0.54% |
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 Sep 10, 2026.
| IJR iShares Core S&P Small-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 SmallCap 600 | Russell 2000 Growth |
| Total return, 1 year | +19.9% | +17.0% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +2.4 pts | −0.5 pts |
| Expense ratio | 0.06% | 0.24% |
| Already in the S&P 500 | 0.0% | 0.0% |
| Holdings | 608 | 970 |
IJR in plain words
IJR is an index equity fund tracking the S&P SmallCap 600. Over the year to Sep 11, 2026 it returned +19.9% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.06% a year. By its holdings filed for Sep 10, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 608 positions, with the top ten at 6.8%. It sat 5.5% 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 Sep 10, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 970 positions, with the top ten at 6.2%. 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, IJR or IWO?
- In the year to Sep 13, 2026, with distributions reinvested, IJR returned +19.9% and IWO returned +17.0%, so IJR returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IJR or IWO?
- IJR charges 0.06% a year and IWO charges 0.24%, so IJR is cheaper. Fees come from each fund's prospectus.
- How much do IJR and IWO overlap with the S&P 500?
- By their latest filed holdings, 0% of IJR and 0% of IWO by weight is stocks the S&P 500 already holds. Between the two funds, 39% 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, IJR against IWO, data as of Sep 13, 2026. https://etfiq.com/compare/any/ijr-vs-iwo Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources