iShares Russell Small/Mid-Cap Index Fund
Data updated: 2026-06-25
C000159051 — iShares Russell Small/Mid-Cap Index Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Mid Cap Blend / Core Equity · $1.24B AUM · 0.37% expense ratio · 39.7% 1-yr return. From SEC regulatory filings.
C000159051 Fund Overview
iShares Russell Small/Mid-Cap Index Fund is a US mutual fund managed by Blackrock Funds, categorised as United States Mid Cap Blend / Core Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Blackrock Funds
- Category: United States Mid Cap Blend / Core Equity
- Assets under management: $1.24B
- 1-year return: 39.7%
- SEC CIK: 0000844779
- SEC series ID: S000050373
- Share class ID: C000159051
C000159051 Holdings
Top 10 holdings of iShares Russell Small/Mid-Cap Index Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| BlackRock Funds III | 7.43% |
| Sandisk Corp/DE | 2.00% |
| Ciena Corp | 0.95% |
| iShares Russell 2000 ETF | 0.83% |
| Comfort Systems USA Inc | 0.81% |
| Lumentum Holdings Inc | 0.81% |
| Bloom Energy Corp | 0.78% |
| Coherent Corp | 0.71% |
| Blackrock Cash Funds Treasury Sl Agency Shares | 0.54% |
| Rocket Lab Corp | 0.52% |
C000159051 Portfolio Allocation
Asset-class allocation of iShares Russell Small/Mid-Cap Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.4% |
| Cash & Equivalents | 8.0% |
C000159051 Performance
Total returns for C000159051 (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 13.3% |
| 1 year | 39.7% |
| 3 years (annualised) | 17.4% |
| 5 years (annualised) | 6.6% |
C000159051 Risk Information
Risk metrics for C000159051, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 13.7%
C000159051 Costs and Fees
C000159051 costs about $37 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.37%
- Gross expense ratio: 0.39%
- Portfolio turnover: 36%
- Brokerage commissions: 1.89 bps of average net assets (SEC N-CEN)
C000159051 Cashflows
Over the 12 months to 2026-04, iShares Russell Small/Mid-Cap Index Fund had net inflows of $129.19M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | $208.30K |
| 2026-03 | $2.24M |
| 2026-02 | −$2.06M |
| 2026-01 | −$7.60M |
| 2025-12 | $38.29M |
| 2025-11 | −$6.69M |
C000159051 Debt Constituents
No individual debt constituents are reported in iShares Russell Small/Mid-Cap Index Fund's latest SEC N-PORT filing.
C000159051 Prospectus and SEC Filings
Official iShares Russell Small/Mid-Cap Index Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Mid Cap Blend / Core Equity funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.