iShares CMBS ETF

CMBS
ETF Ticker

-0.35%

+0.02%

NYSE Arca Exchange

Fixed Income

United States

Covered & Asset-Backed

ETF Strategy Fund Grade AA

The iShares CMBS ETF, CMBS_US, is listed on the NYSE Arca Exchange and tracks the Bloomberg U.S. CMBS (ERISA Only) index. The fund provides exposure to United States, Covered & Asset-Backed Fixed Income and has assets under management of $470.0m (as of Aug 31, 2026). The ETF trades in USD and was listed on the exchange on Feb 14, 2012. It has a net expense ratio of 25bps. (All data in USD as of Oct 16, 2026 unless stated.)

The underlying Bloomberg U.S. CMBS (ERISA Only) Index offers market value–weighted exposure to investment-grade U.S. commercial mortgage-backed securities issued in agency and non-agency conduit/fusion deals, limited to bonds eligible under ERISA underwriters’ exemptions. Eligible deals must meet liquidity thresholds (typically ≥USD 500m original deal size and ≥USD 300m current outstanding at the deal level), with tranches fixed-rate, WAC, or capped-WAC; the Aggregate-eligible subset also requires ≥USD 25m tranche size. Interest-only/principal-only and residual classes are excluded. Constituents reflect current outstanding amounts, with no issuer caps; sector purity is enforced (CMBS only). The index follows the parent Aggregate’s calendar, rebalancing monthly at month-end with rules-based inclusion for new issues and removals due to seasoning/corporate actions, maintaining investability and ERISA compliance.

ETF Details

Key Facts

Issuer:
iShares
AUM:
$470.0m (as of Aug 31, 2026)
Net Expense Ratio:
25 bps
Inception Date:
Feb 14, 2012
Index:
Bloomberg U.S. CMBS (ERISA Only) Index
Dividend Frequency:
Monthly

Trading

Ticker:
CMBS
Exchange:
NYSE Arca Exchange
ISIN:
US46429B3666
Trading Currency:
USD
Domicile:
United States

Classification & Risk

Asset Class:
Fixed Income
Asset Region:
United States
Theme:
Covered & Asset-Backed
Economic Development:
Developed Markets
1 Year Volatility:
3.57%
3 Year Volatility:
4.37%
5 Year Volatility:
5.34%

Performance

TTM Dividend Yield:
3.59% (verify with issuer)
1 Month Performance:
0.12%
3 Month Performance:
-0.98%
6 Month Performance:
-0.91%
1 Year Performance:
0.02%
3 Year Performance:
17.96%
5 Year Performance:
3.55%
Investment Proposition

iShares CMBS ETF (CMBS) presents diversified exposure to investment-grade commercial mortgage-backed securities, aiming to deliver income with intermediate interest-rate sensitivity and credit risk tied to commercial real estate fundamentals. The portfolio spans property types and vintages, using broad market coverage to mitigate idiosyncratic deal risk while accepting structural features such as tranching, call protection, and potential extension in slower prepayment environments. Returns are influenced by spread carry, changes in rates, and collateral credit performance; macro sensitivities include employment, consumer health, and refinancing conditions, with office/retail dynamics and cap-rate movements affecting collateral valuations. In portfolios, CMBS can function as an income sleeve diversifying away from corporate credit, a duration-aware ballast relative to high yield, or a tactical spread play when underwriting standards stabilize. Suitable users include multi-asset income managers seeking securitized diversification and insurers balancing book yield with capital efficiency. It tends to benefit when growth is steady and inflation contained, while credit tightening or property-market stress can challenge it. Key risk to monitor: liquidity and structure-specific spread volatility during risk-off episodes that may widen bid-ask and pressure total returns.

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