CMF Performance — iShares California Muni Bond ETF
Data updated: 2026-07-24
CMF returned +0.87% year to date and +6.12% over one year to May 2026. Annualised returns are +3.30% over 3 years and +0.64% over 5 years. Against its Intermediate Municipal Bond category average the fund came out behind over three years but ahead over one: $100 invested three years ago grew to $110, against $111 for the category, and to $106 over one year, against $106. Volatility over the past three years was 5.02% a year. In the 12 months to May 2026 the fund took in a net $748.4M, and assets reached $4.42B.
CMF Growth of $100
What $100 invested in iShares California Muni Bond ETF grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Intermediate Municipal Bond category average over the same months.
| Period | CMF | Category average |
|---|---|---|
| 1 year (Jun 2025 – May 2026) | $106 | $106 |
| 3 years (Jun 2023 – May 2026) | $110 | $111 |
| 5 years (Jun 2021 – May 2026) | $103 | $104 |
| Since data start (Sep 2019 – May 2026) | $108 | $109 |
CMF Trailing Returns
Total returns to May 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +0.87% |
| 1 year | +6.12% |
| 3 years (annualised) | +3.30% |
| 5 years (annualised) | +0.64% |
CMF Annual Returns
Calendar-year total returns of iShares California Muni Bond ETF, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–May) | +0.87% |
| 2025 | +3.61% |
| 2024 | +1.25% |
| 2023 | +5.58% |
| 2022 | −8.08% |
| 2021 | +0.70% |
| 2020 | +4.56% |
| 2019 (Sep–Dec) | −0.16% |
CMF 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 | +0.8% | +1.1% | −2.3% | +1.0% | +0.3% | — | — | — | — | — | — | — |
| 2025 | −0.1% | +1.0% | −1.7% | −0.7% | 0.0% | +0.6% | −0.2% | +0.9% | +2.2% | +1.1% | +0.4% | +0.2% |
| 2024 | −0.1% | 0.0% | −0.2% | −1.1% | −0.4% | +1.4% | +0.8% | +0.8% | +1.0% | −1.3% | +1.5% | −1.0% |
| 2023 | +2.6% | −2.3% | +2.2% | −0.3% | −0.8% | +0.8% | +0.2% | −1.0% | −2.5% | −1.1% | +5.7% | +2.2% |
| 2022 | −2.8% | −0.4% | −3.0% | −3.0% | +2.0% | −1.9% | +2.8% | −2.3% | −3.4% | −0.5% | +4.6% | −0.1% |
| 2021 | +0.4% | −1.8% | +0.6% | +0.8% | +0.2% | +0.2% | +0.7% | −0.4% | −0.7% | −0.1% | +0.8% | +0.1% |
| 2020 | +1.7% | +1.3% | −3.4% | −0.9% | +3.5% | +0.2% | +1.5% | −0.5% | −0.1% | −0.3% | +1.3% | +0.3% |
| 2019 | — | — | — | — | — | — | — | — | −0.8% | +0.1% | +0.1% | +0.3% |
CMF Risk
Risk measures from monthly returns over Jun 2023 – May 2026.
- 3-year volatility (annualised): 5.02%
- 3-year Sharpe ratio: -0.24 (vs 4.5% risk-free rate)
- Best month: +5.67% (Nov 2023)
- Worst month: −2.49% (Sep 2023)
CMF Fund Flows
Monthly money in and out of iShares California Muni Bond ETF, from SEC Form N-PORT.
- 12-month net flow: $748.4M
- 12-month gross sales (incl. reinvestments): $1.0B
- Sales ÷ redemptions: 3.61×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| May 2026 | $156.7M | $0 | $156.7M |
| Apr 2026 | $140.1M | $0 | $140.1M |
| Mar 2026 | $57.8M | $5.7M | $52.1M |
| Feb 2026 | $168.5M | $0 | $168.5M |
| Jan 2026 | $118.4M | $0 | $118.4M |
| Dec 2025 | $186.4M | $0 | $186.4M |
| Nov 2025 | $89.1M | $0 | $89.1M |
| Oct 2025 | $117.7M | $0 | $117.7M |
| Sep 2025 | $25K | $50.3M | −$50.3M |
| Aug 2025 | $29K | $61.3M | −$61.2M |
| Jul 2025 | $0 | $160.8M | −$160.8M |
| Jun 2025 | $0 | $8.3M | −$8.3M |
CMF Assets Under Management
Net assets of iShares California Muni Bond ETF by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-05-31 | $4.42B |
| 2026-02-28 | $4.15B |
| 2025-11-30 | $3.62B |
| 2025-08-31 | $3.37B |
| 2025-05-31 | $3.58B |
| 2025-02-28 | $3.91B |
| 2024-11-30 | $3.46B |
| 2024-08-31 | $3.19B |
| 2024-05-31 | $2.81B |
| 2024-02-29 | $2.75B |
| 2023-11-30 | $2.64B |
| 2023-08-31 | $2.25B |
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.