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ETF comparison

CMF vs TLT

US Municipal Bond vs US Treasury (Long).

iShares California Muni Bond ETF · iShares 20+ Year Treasury Bond ETF

Holdings overlap

Weighted by ISIN/CUSIP
0.0 %

0 positions appear in both funds. Buying equal dollars of CMF and TLT would leave roughly 0.0% of each dollar exposed to the same underlying securities.

CMF unmatched 99.5% Shared 0.0% TLT unmatched 98.2%

Unmatched is the part of a fund's weight the other fund doesn't match: names only it holds, plus any extra weight it puts in names both funds hold.

In CMF only
1,622 positions
Shared
0 positions
In TLT only
46 positions

Side by side

CMF

iShares California Muni Bond ETF

iShares · US Municipal Bond

92 composite / 100
Expense ratio
0.080%
Net assets
$4.75B
TTM yield
3.04%
Top-10 conc.
4.4%
TLT

iShares 20+ Year Treasury Bond ETF

iShares · US Treasury (Long)

83 composite / 100
Expense ratio
0.15%
Net assets
$46.23B
TTM yield
4.78%
Top-10 conc.
41.9%

Sub-score comparison

92
Cost
85
93
Tax efficiency
56
86
Liquidity
100
100
Concentration
N/A
—
Tracking quality
—
CMF sub-score TLT

Tracking quality isn't part of the composite — see what we don't score for why.

Cost difference

CMF is 7 bps cheaper than TLT. On a $100,000 position that's about $70/yr more in fees for TLT.

Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open the cost calculator pre-filled with CMF vs TLT.

Top shared holdings

0 shared in total

No shared holdings between these funds.

Only in CMF

1,622 total
  • Los Angeles Unified School District 0.50%
  • University of California 0.49%
  • Bay Area Toll Authority 0.46%
  • California Educational Facilities Authority 0.44%
  • Los Angeles Unified School District 0.44%
  • Eastern Municipal Water District 0.44%
  • California State University 0.42%
  • University of California 0.42%
  • State of California 0.38%
  • Bay Area Toll Authority 0.37%

Only in TLT

46 total
  • United States of America 4.58%
  • United States of America 4.50%
  • United States of America 4.46%
  • United States of America 4.40%
  • United States of America 4.15%
  • United States of America 4.04%
  • United States of America 4.03%
  • United States of America 3.95%
  • United States of America 3.94%
  • United States of America 3.86%

Related comparisons

More comparisons with CMF

More comparisons with TLT

Percentages are holdings overlap with the named fund.

Open CMF or TLT at a brokerage

Both funds trade commission-free at major US brokerages.

Open at Fidelity

Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodology and funding disclosure.

Holdings overlap is the sum of min(weight_a, weight_b) over positions matched on ISIN (CUSIP fallback). Methodology: see /methodology/.

Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.