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JMST vs MEAR: Differences, Returns & Fees

JMST's duration was 0.9 years on May 31, 2026 and MEAR's 1.3 on Jul 31, 2026; JMST charges 0.18% to MEAR's 0.26%. Net assets on Oct 9, 2026: $7.9bn for JPMorgan Ultra-Short Municipal Income ETF and $1.4bn for iShares Short Maturity Municipal Bond Active ETF.

JMST costs 0.08 points a year less; their one-year returns differ by 0.5 points; JMST is 5.4 times larger.

JMSTMEAR
Expense ratio0.18%0.26%
Net assets$7.9bn$1.4bn
Total return, 1 year+1.9%+1.4%
What it tracksNo index, actively managedNo index, actively managed
Holdings in common2%

Holdings in common uses holdings dated May 31, 2026 and Jul 31, 2026.

+1.9%
JMST total return, 1 year
+1.4%
MEAR total return, 1 year
0.18%
JMST expense ratio
0.26%
MEAR expense ratio

What they hold in common

By the books each fund has filed, JMST and MEAR hold 2% of their money in the same securities at the same weight. Above 50%, holding both is close to holding one of them twice. Holdings dated May 31, 2026 and Jul 31, 2026.

half

2% in common

Positions both hold, largest shared weight first
Holding JMST MEAR
Texas Municipal Gas Acquisition and Supply Corp. IV, Gas Supply, Series 2023A, due Jan 1, 2054 0.36% 1.72%
Tarrant County Cultural Education Facilities Finance Corp., Health Resources System, Series 2025B, due Nov 15, 2064 0.33% 0.78%
Hudson County Improvement Authority, Series 2026, due Jun 11, 2027 0.15% 0.42%
Allen Independent School District, Series 2025A, due Feb 15, 2027 0.13% 0.15%
Houston Independent School District, Limited Tax, Series 2026, due Feb 15, 2027 0.11% 0.11%
Mission Economic Development Corp., Republic Services, Inc., Project, Series 2020A, due May 1, 2050 0.10% 0.52%
Pennsylvania Economic Development Financing Authority, Waste Management, Inc., Project, Series 2013, due Aug 1, 2045 0.09% 0.66%
Ohio Higher Educational Facility Commission, Case Western Reserve University Project, Series 2021B, due Dec 1, 2042 0.09% 0.48%
Florida Development Finance Corp., Waste Management, Inc., Project, Series 2025A, due Sep 1, 2050 0.08% 0.11%
California Pollution Control Financing Authority, Solid Waste Disposal, Republic Services, Inc., Project, Series 2023, due Jul 1, 2043 0.08% 0.18%
City of Atlanta Water and Wastewater, Subordinate Lien, Series 2026, due Nov 1, 2030 0.07% 0.18%
District of Columbia Housing Finance Agency, Paxton Project, Series 2022, due Sep 1, 2040 0.07% 0.10%
Only in JMST
New York City Municipal Water Finance Authority, Water and Sewer System, Second General Resolution, Fiscal year 2021, Series 2021, Subseries EE2, due Jun 15, 2045 1.02%
State of Washington, Various Purpose, Series R-2026A, due Jul 1, 2029 0.90%
Alaska Housing Finance Corp., Home Mortgage, Series 2007A, due Dec 1, 2041 0.86%
State of Minnesota, Various Purpose, Series 2025D, due Aug 1, 2027 0.78%
Township of Woodbridge, due Oct 9, 2026 0.71%
Maryland Health and Higher Educational Facilities Authority, University of Maryland Medical System, Series 2025C-1, due Jul 1, 2055 0.71%
Bergen County Improvement Authority (The), Guaranteed Government Pooled Project, Series 2026A, due May 19, 2027 0.68%
Tarrant County Cultural Education Facilities Finance Corp., Texas Health Resources System, Series 2012B, due Nov 15, 2047 0.67%
Only in MEAR
Parish of St. James, Series 2010B-1, due Nov 1, 2040 2.25%
Iowa Finance Authority, Series 2021, due Dec 1, 2041 2.18%
Main Street Natural Gas, Inc., Series 2023A, due Jun 1, 2053 1.90%
PEFA, Inc., Series 2019, due Sep 1, 2049 1.78%
City of Burlington, Series 2007A, due Sep 1, 2035 1.62%
South Dakota Housing Development Authority, Series 2025G, due Nov 1, 2050 1.50%
Kentucky Public Energy Authority, Series 2025A, due Jun 1, 2055 1.39%
Connecticut Housing Finance Authority, Series 2016B, Sub-Series B-4, due Nov 15, 2046 1.26%

Check overlap with more funds →

On the same fields

JMST
JPMorgan Ultra-Short Municipal Income ETF
MEAR
iShares Short Maturity Municipal Bond Active ETF
Where it sits Bond ETF Bond ETF
Issuer JPMorgan iShares
What it is Actively managed Actively managed
Total return, 1 year +1.9% +1.4%
S&P 500 over the same days +17.3% +17.3%
Gap to the S&P 500 −15.3 pts −15.8 pts
Expense ratio 0.18% 0.26%
Holdings 1851 351
Net assets $7.9bn $1.4bn

JMST and MEAR on the fields both publish, as of Oct 9, 2026. Source: ETFIQ.

JMST in plain words

JMST is actively managed and tracks no index. Over the year to Oct 9, 2026 it returned +1.9% with distributions reinvested. The prospectus expense ratio is 0.18% a year.

MEAR in plain words

MEAR is actively managed and tracks no index. Over the year to Oct 9, 2026 it returned +1.4% with distributions reinvested. The prospectus expense ratio is 0.26% a year.

Questions people ask

Which returned more over the last year, JMST or MEAR?
In the year to Oct 9, 2026, with distributions reinvested, JMST returned +1.9% and MEAR +1.4%.
Which is cheaper, JMST or MEAR?
JMST is cheaper, by 0.08 percentage points a year. That is about $8 on $10,000 held for a year. Fees come from each fund's prospectus.
Other comparisons
JMST vs TAFIJMST vs SMMUJMST vs SHMJMST vs VTESMEAR vs SUBMEAR vs SHMMEAR vs VTESMEAR vs TAFI
JMST on its own →MEAR on its own →Hold both: look the portfolio through →Rankings →Standards and sources →
Where these figures came from
JMST filings on SEC EDGAR ↗JMST prospectus with the expense ratio (SEC) ↗JPMorgan website ↗MEAR filings on SEC EDGAR ↗MEAR prospectus with the expense ratio (SEC) ↗iShares page for MEAR ↗

ETFIQ links to the documents behind every figure; a link is not an endorsement. A comparison is not a recommendation.

How this is computed

Overlap adds up the smaller of the two weights for each security both funds hold.

Cite this pageCitation, APA and Markdown

ETFIQ, JMST against MEAR, data as of Oct 9, 2026. https://etfiq.com/compare/any/jmst-vs-mear

Open data

Free to use with attribution for figures ETFIQ computes; issuer data stays under its owner's terms.