CMFvsWCPBETF Comparison
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iShares California Muni Bond ETF (CMF) belongs to the Municipal Bonds segment. Weitz Core Plus Bond ETF (WCPB) is part of the Intl IG Bonds segment. CMF's top 2 sector exposures are Municipal and Non-Corporate. In contrast, WCPB's top sector exposures are Sovereign, Industrials and Finance. CMF is less expensive with a Total Expense Ratio (TER) of 0.08%, versus 0.78% for WCPB. CMF is down -1.77% year-to-date (YTD) with +$920M in YTD flows. WCPB performs better with 0.16% YTD performance, and +$125M in YTD flows. Run a side-by-side ETF comparison of CMF and WCPB below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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CMF vs WCPB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/11/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | CMF WCPB | -2.42%-0.89% | -2.77%-1.09% | -1.77%+0.16% | -0.13%+1.00% | +7.71%n/a | +0.15%n/a |
| Flows | CMF WCPB | +$51M+$11M | +$254M+$50M | +$920M+$125M | +$1.31B+$237M | +$2.42B- | +$2.97B- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | CMF WCPB | +2.99%+3.76% | +2.40%+3.67% | +3.49%n/a | +3.47%n/a |
| Max drawdown | CMF WCPB | -3.60%-1.80% | -3.77%-2.48% | -5.18%n/a | -12.25%n/a |
| Max drawdown duration | CMF WCPB | 67d74d | 194d114d | 275dn/a | 1346dn/a |
Trading data
CMF | WCPB | |
Last sale 9/11/2026 at 1:30 PM | $55.34 | $24.76 |
| Previous close 09/10/2026 | $55.09 | $24.79 |
| Consolidated volume 09/10/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of September 13, 2026
1-year trailing difference
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WCPB
is actively managed and doesn’t replicate an indexCMF | WCPB | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/11/2026 at 1:30 PM
Live
Closed
CMF | WCPB | |
|---|---|---|
| Last price | $55.34 | $24.76 |
| 1D performance | +0.45% | -0.11% |
| AuM | $4.54 B | $244.41 M |
| E/R | 0.08% | 0.78% |
Characteristics
CMF | WCPB | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | iShares | Weitz Investment Management |
| Benchmark | ICE AMT-Free California Municipal Index | - |
| N° of holdings | 930 | 100 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | October 4, 2007 | August 13, 2025 |
| ESG | No | No |
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Exposure
Countries
CMF
USA
61.5%
Other
38.5%
WCPB
USA
55.62%
Other
44.38%
Sectors
CMF
Municipal
61.5%
Other
38.5%
WCPB
Sovereign
25.37%
Industrials
12.85%
Other
61.79%
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Diversification
CMF
Total weight of top 15 holdings out of 15
5.91%
WCPB
Total weight of top 15 holdings out of 15
33.58%
Top 15 holdings
Data as of July 31, 2026
CMF
Orange Water District, FRN 1aug2042, USD (2003A)
0.50%
Los Angeles Unified School District, 5% 1jul2031, USD (2024)
0.47%
University of California, 5.5% 15may2040, USD
0.46%
US79905CAB90
0.43%
California Educational Facilities Authority, 5% 1may2045, USD
0.43%
Los Angeles Unified School District, 5% 1jul2034, USD (2024A)
0.41%
US13077DUT70
0.41%
University of California, 5% 15may2036, USD (2025)
0.39%
US032556NJ70
0.39%
California, 5% 1mar2055, USD
0.38%
US4636324Q95
0.36%
California, 5.25% 1aug2032, USD
0.35%
East AWP Joint Powers Authority, 3.125% 1sep2026, USD (2024A)
0.32%
East Bay Municipal Utility District, 5% 1jun2039, USD (2026B)
0.31%
US842475M859
0.31%
WCPB
USA, Bonds 4.375% 15may2040, USD
8.99%
USA, Bonds 4.25% 15nov2040, USD
3.03%
US3132DWJQ78
2.57%
USA, Bonds 5% 15may2045, USD
2.40%
USA, Bonds 4.625% 15nov2044, USD
2.21%
FR SD8267, 5% 1nov2052, USD (ABS)
2.15%
US31427TGG58
1.79%
USA, Bonds 4.375% 15nov2039, USD
1.48%
US31427MYN54
1.46%
USA, Bonds 4.5% 15aug2039, USD
1.38%
USA, Bonds 4.625% 15feb2040, USD
1.35%
USA, Bonds 4.375% 15may2041, USD
1.34%
HNI Corporation, 5.125% 18jan2029, USD
1.22%
FN MA5672, 5% 1apr2055, USD (ABS)
1.14%
FR SD8474, 5% 1nov2054, USD (ABS)
1.07%
Frequently asked questions about CMF and WCPB
How have the CMF and WCPB ETFs performed in 2026?
As of September 11, 2026, CMF is down -1.77% year-to-date (YTD), while WCPB has returned 0.16%. That puts WCPB better performer ahead so far this year.
Which ETF is attracting more investor money: CMF or WCPB?
Year-to-date, the CMF ETF saw +$920M in flows, compared to +$125M for WCPB.
Which ETF is more volatile: CMF or WCPB?
Over the past year, CMF had a volatility of 2.4%, while WCPB experienced 3.67%.
Which ETF is bigger: CMF or WCPB?
As of September 11, 2026, CMF holds $4.54 B in assets under management (AUM), while WCPB manages $244.41 M.
What sectors do the CMF and WCPB ETFs invest in?
CMF leans toward sectors like Municipal. Meanwhile, WCPB focuses on Sovereign and Industrials.
What are the top holdings of the CMF ETF and WCPB ETF?
CMF top holdings include Orange Water District, FRN 1aug2042, USD (2003A), Los Angeles Unified School District, 5% 1jul2031, USD (2024) and University of California, 5.5% 15may2040, USD. WCPB holds in its top three: USA, Bonds 4.375% 15may2040, USD, USA, Bonds 4.25% 15nov2040, USD and US3132DWJQ78.
Which ETF is more diversified: CMF or WCPB?
CMF holds 1640 securities with 5.91% of its assets in the top 15. WCPB has 170 securities and a top 15 weight of 33.58%.
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Latest news about CMF & WCPB
The ETF Underdogs, Part 5: Bond Edition
January 6, 2026
WCPB
Which Types of Bond ETFs Are the Most Tax Efficient?
September 2, 2025
CMF
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