IWC Performance — iShares Micro-Cap ETF
Data updated: 2026-08-25
IWC returned +27.33% year to date and +58.33% over one year to Jun 2026. Annualised returns are +23.70% over 3 years and +6.83% over 5 years. The fund trailed its US Micro-Cap Blend category average: $100 invested three years ago grew to $189, against $189 for the category, and to $158 over one year, against $158. Volatility over the past three years was 22.22% a year. In the 12 months to Jun 2026 the fund took in a net $191.5M, and assets reached $1.52B.
IWC Growth of $100
What $100 invested in iShares Micro-Cap ETF grew to, compounded from monthly returns reported on SEC Form N-PORT, against the US Micro-Cap Blend category average over the same months.
| Period | IWC | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $158 | $158 |
| 3 years (Jul 2023 – Jun 2026) | $189 | $189 |
| 5 years (Jul 2021 – Jun 2026) | $139 | $139 |
| Since data start (Jul 2019 – Jun 2026) | $232 | $232 |
IWC Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +27.33% |
| 1 year | +58.33% |
| 3 years (annualised) | +23.70% |
| 5 years (annualised) | +6.83% |
IWC Annual Returns
Calendar-year total returns of iShares Micro-Cap ETF, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +27.33% |
| 2025 | +22.80% |
| 2024 | +13.45% |
| 2023 | +9.09% |
| 2022 | −22.10% |
| 2021 | +18.85% |
| 2020 | +20.67% |
| 2019 (Jul–Dec) | +7.37% |
IWC Monthly Returns
Monthly total returns as reported on SEC Form N-PORT.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | +5.6% | +1.0% | −5.0% | +12.4% | +6.6% | +4.9% | — | — | — | — | — | — |
| 2025 | +0.1% | −5.5% | −9.6% | −0.5% | +7.9% | +7.4% | +2.1% | +9.3% | +5.0% | +4.5% | +1.0% | +0.6% |
| 2024 | −3.9% | +6.2% | +2.5% | −7.8% | +5.1% | −2.3% | +11.8% | −2.7% | −0.5% | +0.7% | +11.6% | −5.8% |
| 2023 | +9.9% | −2.9% | −8.9% | −2.6% | +1.4% | +6.5% | +5.3% | −6.7% | −6.4% | −7.2% | +9.4% | +14.2% |
| 2022 | −9.8% | +1.0% | +1.4% | −10.4% | −0.4% | −9.2% | +10.0% | +0.2% | −9.7% | +9.5% | −0.1% | −4.3% |
| 2021 | +14.2% | +6.0% | +2.3% | +0.2% | +1.6% | +2.1% | −5.6% | +3.6% | −3.0% | +2.2% | −5.3% | +0.5% |
| 2020 | −4.7% | −6.9% | −23.5% | +15.2% | +6.6% | +6.2% | +1.1% | +6.0% | −3.2% | +1.4% | +20.4% | +7.7% |
| 2019 | — | — | — | — | — | — | −1.3% | −6.3% | +2.3% | +2.6% | +4.6% | +5.7% |
IWC Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 22.22%
- 3-year Sharpe ratio: 0.86 (vs 4.5% risk-free rate)
- Best month: +14.24% (Dec 2023)
- Worst month: −9.57% (Mar 2025)
IWC Fund Flows
Monthly money in and out of iShares Micro-Cap ETF, from SEC Form N-PORT.
- 12-month net flow: $191.5M
- 12-month gross sales (incl. reinvestments): $600.0M
- Sales ÷ redemptions: 1.47×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $182.3M | $176.3M | $6.0M |
| May 2026 | $0 | $18.5M | −$18.5M |
| Apr 2026 | $44.9M | $35.1M | $9.8M |
| Mar 2026 | $24.5M | $32.4M | −$8.0M |
| Feb 2026 | $67.0M | $75.4M | −$8.4M |
| Jan 2026 | $133.4M | $0 | $133.4M |
| Dec 2025 | $49.0M | $15.9M | $33.1M |
| Nov 2025 | $23.3M | $7.3M | $15.9M |
| Oct 2025 | $0 | $0 | $0 |
| Sep 2025 | $35.5M | $0 | $35.5M |
| Aug 2025 | $6.6M | $14.3M | −$7.6M |
| Jul 2025 | $33.6M | $33.4M | $206K |
IWC Assets Under Management
Net assets of iShares Micro-Cap ETF by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $1.52B |
| 2026-03-31 | $1.21B |
| 2025-12-31 | $1.09B |
| 2025-09-30 | $985.03M |
| 2025-06-30 | $818.14M |
| 2025-03-31 | $799.66M |
| 2024-12-31 | $956.19M |
| 2024-09-30 | $900.03M |
| 2024-06-30 | $799.94M |
| 2024-03-31 | $919.92M |
| 2023-12-31 | $904.51M |
| 2023-09-30 | $792.46M |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.