SUBvsMUNXETF Comparison
VS
iShares Short-Term National Muni Bond ETF (SUB) and AMG GW&K Muni Income ETF (MUNX) belong to the same industry segment: Municipal Bonds. SUB's top 2 sector exposures are Municipal and Non-Corporate. In contrast, MUNX's top sector exposures are Municipal. SUB is less expensive with a Total Expense Ratio (TER) of 0.07%, versus 0.29% for MUNX. SUB is up 1.03% year-to-date (YTD) with +$1.29B in YTD flows. MUNX performs worse with -0.05% YTD performance, and +$10M in YTD flows. Run a side-by-side ETF comparison of SUB and MUNX 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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SUB vs MUNX performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/02/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SUB MUNX | +0.15%-0.78% | +0.19%-1.84% | +1.03%-0.05% | +1.71%n/a | +9.19%n/a | +7.64%n/a |
| Flows | SUB MUNX | +$292M- | +$403M+$2M | +$1.29B+$10M | +$1.48B- | +$2.23B- | +$5.78B- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SUB MUNX | +0.79%+2.90% | +0.78%n/a | +1.09%n/a | +1.15%n/a |
| Max drawdown | SUB MUNX | -0.46%-2.48% | -0.81%n/a | -1.33%n/a | -4.11%n/a |
| Max drawdown duration | SUB MUNX | 35d58d | 117dn/a | 52dn/a | 804dn/a |
Trading data
SUB | MUNX | |
Last sale 9/3/2026 at 1:30 PM | $105.88 | $24.44 |
| Previous close 09/02/2026 | $105.91 | $24.42 |
| Consolidated volume 09/02/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of September 3, 2026
1-year trailing difference
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MUNX
is actively managed and doesn’t replicate an indexSUB | MUNX | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/3/2026 at 1:30 PM
Live
Closed
SUB | MUNX | |
|---|---|---|
| Last price | $105.88 | $24.44 |
| 1D performance | -0.03% | +0.08% |
| AuM | $11.60 B | $19.47 M |
| E/R | 0.07% | 0.29% |
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Exposure
Countries
SUB
USA
49.36%
Other
50.64%
MUNX
USA
50.25%
Other
49.75%
Sectors
SUB
Municipal
49.36%
Other
50.64%
MUNX
Municipal
50.25%
Other
49.75%
Diversification
SUB
Total weight of top 15 holdings out of 15
3.53%
MUNX
Total weight of top 15 holdings out of 15
32.67%
Top 15 holdings
Data as of July 31, 2026
SUB
New Jersey Economic Development Authority, 5% 1mar2028, USD (2023)
0.37%
US13063EDB92
0.28%
Empire State Development Corp., 5% 15sep2028, USD (2022A)
0.25%
US91412HWB58
0.25%
US646140JM63
0.24%
California, 5% 1nov2027, USD
0.24%
California, 5% 1apr2029, USD
0.24%
US373385QU02
0.22%
Massachusetts, 5.5% 1aug2030, USD (2004A)
0.21%
City of New York, 5.75% 15may2012, USD
0.21%
US207758Y563
0.21%
New York Transitional Finance Authority, 5% 1nov2030, USD (2026)
0.21%
Pennsylvania, 5% 1mar2028, USD
0.20%
US495290ET12
0.20%
New Jersey, 4% 1jun2030, USD
0.20%
MUNX
Commonwealth Financing Authority, 4% 1jun2039, USD (2018)
3.06%
County of Jefferson (AL), 5.5% 1oct2053, USD (2024)
2.64%
US70868YAL39
2.57%
US03843TBQ31
2.23%
Houston, 5% 1sep2038, USD (2026C)
2.19%
US717823Y444
2.16%
US65889BEL45
2.15%
New York Transportation Development Corp., 6% 30jun2055, USD (2025)
2.13%
US46613SGA24
2.09%
Massachusetts Development Finance Agency, 5.5% 1oct2044, USD (2026A)
2.03%
Texas Private Activity Bond Surface Transportation Corp., 5% 30jun2058, USD (2019)
1.98%
US74448EAA29
1.92%
New York Urban Development Corp., 4% 31oct2034, USD (2021)
1.89%
New York Transportation Development Corp., 5% 1oct2040, USD (2020)
1.81%
US84136HCT86
1.80%
Frequently asked questions about SUB and MUNX
How have the SUB and MUNX ETFs performed in 2026?
As of September 2, 2026, SUB is up 1.03% year-to-date (YTD), while MUNX has lost -0.05%. That puts SUB better performer ahead so far this year.
Which ETF is attracting more investor money: SUB or MUNX?
Year-to-date, the SUB ETF saw +$1.29B in flows, compared to +$10M for MUNX.
Which ETF is bigger: SUB or MUNX?
As of September 2, 2026, SUB holds $11.60 B in assets under management (AUM), while MUNX manages $19.47 M.
What sectors do the SUB and MUNX ETFs invest in?
SUB leans toward sectors like Municipal. Meanwhile, MUNX focuses on Municipal.
What are the top holdings of the SUB ETF and MUNX ETF?
SUB top holdings include New Jersey Economic Development Authority, 5% 1mar2028, USD (2023), US13063EDB92 and Empire State Development Corp., 5% 15sep2028, USD (2022A). MUNX holds in its top three: Commonwealth Financing Authority, 4% 1jun2039, USD (2018), County of Jefferson (AL), 5.5% 1oct2053, USD (2024) and US70868YAL39.
Which ETF is more diversified: SUB or MUNX?
SUB holds 2867 securities with 3.53% of its assets in the top 15. MUNX has 74 securities and a top 15 weight of 32.67%.
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Latest news about SUB & MUNX
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