iShares Micro-Cap ETF
About
iShares Micro-Cap ETF (US4642888691) is a US-listed equity ETF tracking the Russell Microcap Index. With a expense ratio of 0.6%, its costs are on the higher end for an ETF, paying distributions. The fund holds 1,282 positions across 2 regions with 1.5B in assets, with heavy concentration — 64% in United States.
Score Breakdown
Scores are scaled 1–10 on a logarithmic curve relative to all ETFs in the database. Last updated: Jun 22, 2026
| Component | Score | Details |
|---|---|---|
| Cost (30%) | 7.4 | Tracking Difference: 10.0 · TD Consistency: — · Expense Ratio: 1.3 |
| Liquidity (25%) | 8.5 | Assets Under Management |
Data sources: provider factsheets, exchange data, and NAV history. Information for educational purposes only — not investment advice.
Ticker IWC
ISIN
Fund Size $1.5B
Issuer iShares
Distribution Pays Distributions
Replication Physical
Inception Aug 2005
Base Currency USD
Index Russell Microcap Index
Asset Class Equities
Category Factor Equity
Costs
7.4 This fund has moderate costs compared to similar ETFs.
Expense Ratio0.00%
Expense Ratio0.00%
| Metric | Value |
|---|---|
| Expense Ratio | 0.60% |
Cumulative Returns
Performance across different time periods.
Year to Date+0.00%
1 Year+0.00%
3 Years+0.00%
5 Years+0.00%
Inception+0.00%
Year to Date+0.00%
1 Year+0.00%
3 Years+0.00%
5 Years+0.00%
Inception+0.00%
| Period | Cumulative Return |
|---|---|
| 1 Month | — |
| 3 Months | — |
| 6 Months | — |
| 1 Year | +62.18% |
| 3 Years | +24.34% |
| 5 Years | +6.24% |
| 10 Years | +11.66% |
| YTD | +21.40% |
| Since Inception | +7.84% |
Holdings
This fund invests into 1,282 individual investments.
View all holdings (50)
| # | Holding | Ticker | Weight |
|---|---|---|---|
| 1 | Applied Digital Corp | APLD | 195.75% |
| 2 | Applied Optoelectronics Inc | AAOI | 189.03% |
| 3 | Terawulf Inc | WULF | 176.56% |
| 4 | Cipher Digital Inc | CIFR | 167.35% |
| 5 | Praxis Precision Medicines Inc | PRAX | 128.80% |
| 6 | AXT Inc | AXTI | 89.91% |
| 7 | CECO Environmental Corp | CECO | 89.88% |
| 8 | Cogent Biosciences Inc | COGT | 87.33% |
| 9 | Navitas Semiconductor Corp | NVTS | 86.29% |
| 10 | Liquidia Corp | LQDA | 82.23% |
| 11 | Energy Fuels Inc/Canada | UUUU | 68.88% |
| 12 | Tango Therapeutics Inc | TNGX | 62.39% |
| 13 | Penguin Solutions Inc | PENG | 62.38% |
| 14 | Bel Fuse Inc | BELFB | 62.20% |
| 15 | Tutor Perini Corp | TPC | 61.37% |
| 16 | Aehr Test Systems | AEHR | 59.66% |
| 17 | Ichor Holdings Ltd | ICHR | 59.22% |
| 18 | Oruka Therapeutics Inc | ORKA | 59.13% |
| 19 | Dave Inc | DAVE | 57.58% |
| 20 | Centrus Energy Corp | LEU | 56.99% |
| 21 | nLight Inc | LASR | 54.44% |
| 22 | Celcuity Inc | CELC | 54.39% |
| 23 | Innodata Inc | INOD | 52.42% |
| 24 | Dianthus Therapeutics Inc | DNTH | 52.23% |
| 25 | Vistance Networks Inc | VISN | 48.81% |
| 26 | Ouster Inc | OUST | 47.42% |
| 27 | Adaptive Biotechnologies Corp | ADPT | 46.26% |
| 28 | Erasca Inc | ERAS | 45.78% |
| 29 | GPGI Inc | GPGI | 45.41% |
| 30 | Digi International Inc | DGII | 45.41% |
| 31 | Astronics Corp | ATRO | 44.44% |
| 32 | Definium Therapeutics Inc | DFTX | 42.54% |
| 33 | A10 Networks Inc | ATEN | 42.33% |
| 34 | Blue Bird Corp | BLBD | 41.49% |
| 35 | Ducommun Inc | DCO | 40.09% |
| 36 | Axogen Inc | AXGN | 38.32% |
| 37 | Perpetua Resources Corp | PPTA | 37.36% |
| 38 | American Superconductor Corp | AMSC | 35.38% |
| 39 | Diversified Healthcare Trust | DHC | 34.42% |
| 40 | Immunome Inc | IMNM | 33.85% |
| 41 | Freyr Battery Inc | TE | 33.64% |
| 42 | Interface Inc | TILE | 33.33% |
| 43 | Amprius Technologies Inc | AMPX | 32.95% |
| 44 | Nurix Therapeutics Inc | NRIX | 31.49% |
| 45 | Enliven Therapeutics Inc | ELVN | 31.44% |
| 46 | Butterfly Network Inc | BFLY | 30.87% |
| 47 | BigBear.ai Holdings Inc | BBAI | 30.09% |
| 48 | VISHAY PRECISION GROUP INC | VPG | 29.92% |
| 49 | Select Water Solutions Inc | WTTR | 29.64% |
| 50 | NATIONAL ENERGY SERVICES REUNITED | NESR | 29.22% |
Sectors
Allocation by industry sector.
| Sector | Weight |
|---|---|
| Unknown | 3454.00% |
| Health Care | 1811.00% |
| Technology | 1809.00% |
| Industrials | 949.00% |
| Financials | 933.00% |
| Energy | 309.00% |
| Consumer Discretionary | 267.00% |
| Materials | 222.00% |
| Communication Services | 81.00% |
| Real Estate | 75.00% |
| Consumer Staples | 72.00% |
| Utilities | 28.00% |
Regions
Geographic allocation by country of risk.
| Country | Weight |
|---|---|
| United States | 6439.00% |
| UNKNOWN | 3455.00% |
| Canada | 106.00% |
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