CMF is a Bond ETF from iShares holding 1607 positions as of May 31, 2026, with $4.6B in assets and a 0.08% net expense ratio. Its largest positions are Los Angeles Unified School District, Series 2024A (0.5%), University of California, Series 2023BN (0.5%) and California Educational Facilities Authority, Series U-6 (0.4%); the top 10 holdings account for 4.1% of the portfolio. It yields 2.97% on a trailing-12-month basis.
- Issuer
- iShares
- Holdings
- 16073.5% cash, collateral & derivative positions excluded
- Net Assets
- $4.6BETF assets as of 2026-08-10
- Expense Ratio
- 0.08%per latest SEC prospectus filing
- TTM Yield
- 2.97%trailing 12-month distributions
Performance
- 1M
- -0.9%
- YTD
- +0.6%
- 1Y
- +5.2%
- 3Y (ann.)
- +3.2%
- 5Y (ann.)
- +0.5%
- 10Y (ann.)
- +1.6%
A $10,000 investment 10 years ago would be worth $11,732 today at the 10Y annualized rate. This is a backward-looking illustration, not a forecast. Project its future growth →
Total returns including dividends as of 2026-08-07. 3Y/5Y/10Y annualized. Past performance does not predict future results.
Top 25 Holdings
| # | Holding | Weight |
|---|---|---|
| 1 | Los Angeles Unified School District, Series 2024A | 0.50% |
| 2 | University of California, Series 2023BN | 0.49% |
| 3 | California Educational Facilities Authority, Series U-6 | 0.44% |
| 4 | Los Angeles Unified School District, Series 2024A | 0.44% |
| 5 | California State University, Series 2024A | 0.42% |
| 6 | University of California, Series 2025CD | 0.42% |
| 7 | State of California | 0.38% |
| 8 | State of California, Series 2007 | 0.36% |
| 9 | East Bay Municipal Utility District Water System, Series 2026B | 0.33% |
| 10 | East County Advanced Water Purification Joint Powers Authority | 0.33% |
| 11 | State of California | 0.32% |
| 12 | State of California | 0.30% |
| 13 | Foothill-Eastern Transportation Corridor Agency, Series 2021A | 0.29% |
| 14 | San Francisco City & County Public Utilities Commission Wastewater, Series 2023C | 0.28% |
| 15 | University of California, Series 2022S | 0.27% |
| 16 | San Diego Unified School District, Series 2023G-3 | 0.26% |
| 17 | California State Public Works Board, Series 2025C | 0.26% |
| 18 | Long Beach Unified School District, Series 2026 | 0.26% |
| 19 | State of California | 0.26% |
| 20 | Beverly Hills Unified School District, Series 2009 | 0.25% |
| 21 | City of San Francisco, Series 2025, Sub-Series A | 0.25% |
| 22 | University of California, Series 2023BQ | 0.25% |
| 23 | Los Angeles Unified School District, Series 2023QRR | 0.24% |
| 24 | Los Angeles Community College District, Series D | 0.24% |
| 25 | State of California | 0.24% |
Showing the top 25 of 1607 holdings. See the full CMF holdings list →
CMF alternatives
The closest Bond ETFs to CMF by portfolio overlap — the share of weight both funds hold in the same securities.
| Fund | Overlap | Expense | Assets | |
|---|---|---|---|---|
 MUBiShares National Muni Bond ETF | 9% | 0.05%cheaper | $45.3B | Compare → |
 VTEBVanguard Tax-exempt Bond Index Fund | 7% | 0.03%cheaper | $45.7B | Compare → |
 PZAInvesco National AMT-Free Municipal Bond ETF | 6% | 0.28%pricier | $4.2B | Compare → |
 SUBiShares Short-Term National Muni Bond ETF | 4% | 0.07%cheaper | $11.3B | Compare → |
Frequently Asked Questions
What is CMF's expense ratio?
CMF has a net expense ratio of 0.08%, per its latest SEC prospectus filing. That works out to about $8 a year on a $10,000 investment.
How many holdings does CMF have?
CMF held 1607 positions as of May 31, 2026, per its latest official holdings data. Cash, collateral and derivative positions (3.5% of portfolio weight) are excluded from that count.
What are CMF's top 10 holdings?
CMF's largest positions are Los Angeles Unified School District, Series 2024A (0.5%), University of California, Series 2023BN (0.5%), California Educational Facilities Authority, Series U-6 (0.4%), Los Angeles Unified School District, Series 2024A (0.4%), California State University, Series 2024A (0.4%), University of California, Series 2025CD (0.4%), State of California (0.4%), State of California, Series 2007 (0.4%), East Bay Municipal Utility District Water System, Series 2026B (0.3%), East County Advanced Water Purification Joint Powers Authority (0.3%). Together they account for 4.1% of the portfolio.
What is CMF's dividend yield?
CMF yields 2.97% based on its trailing 12-month distributions, as of Aug 7, 2026.
How big is CMF?
CMF has $4.6B in assets as of Aug 10, 2026.
What are good alternatives to CMF?
By portfolio overlap, the closest Bond ETFs to CMF are MUB (9% overlap), VTEB (7% overlap), PZA (6% overlap). Overlap measures the share of portfolio weight both funds hold in the same securities.