C000159053 Performance — iShares Russell Small/Mid-Cap Index Fund, Class K
Data updated: 2026-10-14
C000159053 returned +19.53% year to date and +30.71% over one year to Jul 2026. Annualised returns are +15.45% over 3 years and +8.08% over 5 years. The fund beat its US Mid-Cap Blend category average: $100 invested three years ago grew to $154, against $144 for the category, and to $131 over one year, against $119. Volatility over the past three years was 17.87% a year. In the 12 months to Jul 2026 the fund took in a net $65.5M, and assets reached $1.34B.
C000159053 Growth of $100
What $100 invested in iShares Russell Small/Mid-Cap Index Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the US Mid-Cap Blend category average over the same months.
| Period | C000159053 | Category average |
|---|---|---|
| 1 year (Aug 2025 – Jul 2026) | $131 | $119 |
| 3 years (Aug 2023 – Jul 2026) | $154 | $144 |
| 5 years (Aug 2021 – Jul 2026) | $147 | $145 |
| Since data start (Aug 2019 – Jul 2026) | $216 | $204 |
C000159053 Trailing Returns
Total returns to Jul 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +19.53% |
| 1 year | +30.71% |
| 3 years (annualised) | +15.45% |
| 5 years (annualised) | +8.08% |
C000159053 Annual Returns
Calendar-year total returns of iShares Russell Small/Mid-Cap Index Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jul) | +19.53% |
| 2025 | +11.92% |
| 2024 | +12.10% |
| 2023 | +17.20% |
| 2022 | −18.38% |
| 2021 | +18.15% |
| 2020 | +20.24% |
| 2019 (Aug–Dec) | +6.02% |
C000159053 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 | +5.0% | +2.5% | −5.1% | +11.1% | +4.3% | +3.7% | −2.6% | — | — | — | — | — |
| 2025 | +3.5% | −4.7% | −6.3% | −2.0% | +5.9% | +4.7% | +1.9% | +5.3% | +1.7% | +0.7% | +1.5% | 0.0% |
| 2024 | −2.5% | +5.4% | +4.1% | −6.7% | +4.1% | −1.5% | +7.5% | −0.2% | +1.4% | −0.9% | +9.8% | −7.5% |
| 2023 | +10.0% | −2.3% | −3.7% | −1.3% | −1.8% | +8.5% | +5.0% | −3.9% | −5.7% | −6.0% | +9.0% | +10.5% |
| 2022 | −8.3% | +1.1% | +1.6% | −8.5% | +0.3% | −9.6% | +10.3% | −2.6% | −9.5% | +9.6% | +4.2% | −5.9% |
| 2021 | +2.5% | +6.4% | +1.6% | +4.0% | +0.2% | +1.1% | −1.7% | +2.2% | −3.2% | +4.9% | −4.2% | +3.3% |
| 2020 | −2.1% | −8.3% | −21.4% | +14.4% | +7.4% | +2.9% | +4.0% | +4.5% | −2.6% | +1.8% | +16.2% | +7.6% |
| 2019 | — | — | — | — | — | — | — | −4.0% | +1.8% | +1.9% | +4.3% | +2.1% |
C000159053 Risk
Risk measures from monthly returns over Aug 2023 – Jul 2026.
- 3-year volatility (annualised): 17.87%
- 3-year Sharpe ratio: 0.61 (vs 4.5% risk-free rate)
- Best month: +11.13% (Apr 2026)
- Worst month: −7.54% (Dec 2024)
C000159053 Fund Flows
Monthly money in and out of iShares Russell Small/Mid-Cap Index Fund, from SEC Form N-PORT.
- 12-month net flow: $65.5M
- 12-month gross sales (incl. reinvestments): $328.0M
- Sales ÷ redemptions: 1.25×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jul 2026 | $30.6M | $27.0M | $3.6M |
| Jun 2026 | $11.6M | $34.4M | −$22.8M |
| May 2026 | $60.8M | $13.3M | $47.5M |
| Apr 2026 | $16.6M | $16.4M | $208K |
| Mar 2026 | $17.7M | $15.5M | $2.2M |
| Feb 2026 | $13.8M | $15.9M | −$2.1M |
| Jan 2026 | $20.2M | $27.8M | −$7.6M |
| Dec 2025 | $53.9M | $15.6M | $38.3M |
| Nov 2025 | $22.7M | $29.4M | −$6.7M |
| Oct 2025 | $31.1M | $20.0M | $11.1M |
| Sep 2025 | $27.3M | $26.9M | $408K |
| Aug 2025 | $21.8M | $20.4M | $1.4M |
C000159053 Assets Under Management
Net assets of iShares Russell Small/Mid-Cap Index Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-07-31 | $1.34B |
| 2026-04-30 | $1.24B |
| 2026-01-31 | $1.15B |
| 2025-10-31 | $1.08B |
| 2025-07-31 | $993.77M |
| 2025-04-30 | $796.79M |
| 2025-01-31 | $850.15M |
| 2024-10-31 | $619.79M |
| 2024-07-31 | $599.50M |
| 2024-04-30 | $536.89M |
| 2024-01-31 | $505.34M |
| 2023-10-31 | $494.24M |
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.