IWO ETF Profile
IWO is a U.S. growth equity ETF from IShares. Its largest disclosed positions include BE, FN, and CRDO, and the top three holdings account for 4.65% of portfolio weight shown here. On ETF Overlap Checker, it currently connects to 61 comparison pages.
Issuer
IShares
Asset Class
Equity
Holdings
1077
Compare Pages
61
About IWO
The iShares Russell 2000 Growth ETF seeks to track the investment results of an index composed of small-capitalization U.S. equities that exhibit growth characteristics.
- IWO has a broad holdings footprint, with 1077 positions in the latest imported dataset.
- The largest disclosed position is BE at 2.22% of the portfolio.
- The top three disclosed holdings make up 4.65% of the portfolio, and the top ten add up to 10.5%.
- Sector labels are limited in the visible top holdings, so the biggest positions matter more than sector buckets here.
- IWO currently appears in 61 active ETF comparison pages on this site.
Data And Coverage
- Expense ratio
- 0.24%
- AUM
- $13B
- Inception date
- Jul 24, 2000
- Holdings updated
- Mar 12, 2026
- Data source
- Financial Modeling Prep
Review the methodology for the overlap formula and visit the ETF directory for the full set of indexed fund hubs.
Compare IWO with another ETF
What Stands Out About IWO
Portfolio Shape
The disclosed top holdings suggest a broad portfolio rather than a narrow single-theme sleeve. BE, FN, and CRDO are the largest visible positions, but the top three holdings add up to only 4.65% and the top ten to 10.5%. Sector labels are limited in the visible top holdings, so the concentration read is driven mainly by the largest names themselves.
What Kind Of Overlap To Expect
IWO should show the most meaningful overlap with adjacent style, factor, or dividend funds that own similar large positions. Comparisons against broader market or international ETFs will usually look more differentiated. That makes overlap checks useful before stacking multiple factor tilts that may still share the same core names.
When Investors Compare It
On this site, investors often compare IWO with VOO, VTI, and QQQ. Those matchups usually answer a simple question: does adding this fund create a different sleeve, or does it mostly duplicate exposure you already own? IWO currently connects to 61 live comparison pages.
Holdings Concentration Snapshot
Concentration
- Largest disclosed holding
- 2.22%
- Top 3 holdings
- 4.65%
- Top 10 holdings
- 10.5%
- Total holdings
- 1077
These numbers help show whether IWO behaves more like a broad portfolio building block or a fund where the biggest positions dominate the ride.
Visible Sector Mix
Sector labels are limited in the visible top holdings for IWO, so the strongest signal here is still the size of the largest positions themselves.
Top Holdings
These holdings help explain how IWO overlaps with other funds. The top ten disclosed positions represent 10.5% of the portfolio shown here.
| Holding | Name | Sector | Weight |
|---|---|---|---|
| BE | BLOOM ENERGY CLASS A CORP | N/A | 2.22% |
| FN | FABRINET | N/A | 1.29% |
| CRDO | CREDO TECHNOLOGY GROUP HOLDING LTD | N/A | 1.14% |
| KTOS | KRATOS DEFENSE AND SECURITY SOLUTI | N/A | 1.06% |
| NXT | NEXTPOWER INC CLASS A | N/A | 0.88% |
| STRL | STERLING INFRASTRUCTURE INC | N/A | 0.81% |
| IONQ | IONQ INC | N/A | 0.78% |
| BBIO | BRIDGEBIO PHARMA INC | N/A | 0.78% |
| ENSG | ENSIGN GROUP INC | N/A | 0.78% |
| AEIS | ADVANCED ENERGY INDUSTRIES INC | N/A | 0.77% |
Related Overlap Comparisons
Use these pages to see whether adding IWO changes your exposure or mostly duplicates positions you already own.