CMBS — iShares CMBS ETF
Data updated: 2026-06-25
CMBS — iShares CMBS ETF data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Long Securitized (MBS/ABS/CMBS) Bond · $480.57M AUM · 0.25% expense ratio · 4.3% 1-yr return. From SEC regulatory filings.
CMBS Fund Overview
CMBS — iShares CMBS ETF is a US ETF managed by iSHARES TRUST, categorised as Long Securitized (MBS/ABS/CMBS) Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US ETF
- Manager: iSHARES TRUST
- Category: Long Securitized (MBS/ABS/CMBS) Bond
- Assets under management: $480.57M
- 1-year return: 4.3%
- Ticker: CMBS
- SEC CIK: 0001100663
- SEC series ID: S000035914
- Share class ID: C000110079
CMBS Holdings
Top 10 holdings of iShares CMBS ETF by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| FHLMC Multifamily Structured Pass Through Certs. | 1.14% |
| FHLMC Multifamily Structured Pass Through Certs. | 1.09% |
| FHLMC Multifamily Structured Pass Through Certs. | 0.89% |
| FHLMC Multifamily Structured Pass Through Certs. | 0.87% |
| FHLMC Multifamily Structured Pass Through Certs. | 0.85% |
| FHLMC Multifamily Structured Pass Through Certs. | 0.73% |
| Barclays Commercial Mortgage Securities LLC | 0.72% |
| FHLMC Multifamily Structured Pass Through Certs. | 0.71% |
| FHLMC Multifamily Structured Pass Through Certs. | 0.71% |
| GS Mortgage Securities Trust | 0.70% |
CMBS Portfolio Allocation
Asset-class allocation of iShares CMBS ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Securitized | 99.1% |
| Cash & Equivalents | 0.6% |
CMBS Performance
Total returns for CMBS (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 0.5% |
| 1 year | 4.3% |
| 3 years (annualised) | 4.9% |
| 5 years (annualised) | 1.0% |
CMBS Risk Information
Risk metrics for CMBS, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 2.6%
CMBS Costs and Fees
CMBS costs about $25 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.25%
- Gross expense ratio: 0.25%
- Portfolio turnover: 37%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
CMBS Cashflows
Over the 12 months to 2026-04, iShares CMBS ETF had net inflows of $46.24M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | −$22.01M |
| 2026-03 | $2.46M |
| 2026-02 | $4.95M |
| 2026-01 | $2.45M |
| 2025-12 | $0 |
| 2025-11 | −$14.66M |
CMBS Debt Constituents
No individual debt constituents are reported in iShares CMBS ETF's latest SEC N-PORT filing.
CMBS Prospectus and SEC Filings
Official iShares CMBS ETF filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Long Securitized (MBS/ABS/CMBS) Bond 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.