MUNXvsMBBAETF Comparison
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AMG GW&K Muni Income ETF (MUNX) belongs to the Municipal Bonds segment. iShares Mortgage-Backed Securities Active ETF (MBBA) is part of the MBS & ABS segment. MUNX's top 1 sector exposures are Municipal. In contrast, MBBA's top sector exposures are Non-Corporate and Industrials. MUNX is more expensive with a Total Expense Ratio (TER) of 0.29%, versus 0.26% for MBBA. Run a side-by-side ETF comparison of MUNX and MBBA 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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MUNX vs MBBA performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/30/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | MUNX MBBA | +3.93%+3.00% | -1.03%-0.79% | -0.26%n/a | +0.21%n/a | n/an/a | n/an/a |
| Flows | MUNX MBBA | -$943K+$48M | -$929K+$603M | +$9M- | +$19M- | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | MUNX MBBA | +6.07%+6.06% | +3.78%n/a | n/an/a | n/an/a |
| Max drawdown | MUNX MBBA | -6.42%-4.67% | -7.17%n/a | n/an/a | n/an/a |
| Max drawdown duration | MUNX MBBA | 78d66d | 116dn/a | n/an/a | n/an/a |
Trading data
MUNX | MBBA | |
Last sale 10/30/2026 at 1:30 PM | $24.24 | $48.26 |
| Previous close 10/29/2026 | $24.16 | $48.00 |
| Consolidated volume 10/29/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 10/30/2026 at 1:30 PM
Live
Closed
MUNX | MBBA | |
|---|---|---|
| Last price | $24.24 | $48.26 |
| 1D performance | +0.33% | +0.54% |
| AuM | $18.40 M | $761.84 M |
| E/R | 0.29% | 0.26% |
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Exposure
Countries
MUNX
USA
44.98%
Other
55.02%
MBBA
Data will be available soon
Sectors
MUNX
Municipal
44.98%
Other
55.02%
MBBA
Data will be available soon
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Diversification
MUNX
Total weight of top 15 holdings out of 15
32.13%
MBBA
Data will be available soon
Top 15 holdings
Data as of September 30, 2026
MUNX
Commonwealth Financing Authority, 4% 1jun2039, USD (2018)
3.03%
US70868YAL39
2.62%
US717823Y444
2.28%
US03843TBQ31
2.24%
US70868YBQ17
2.20%
Houston, 5% 1sep2038, USD (2026C)
2.18%
New York Transportation Development Corp., 6% 30jun2055, USD (2025)
2.15%
US65889BEL45
2.04%
Massachusetts Development Finance Agency, 5.5% 1oct2044, USD (2026A)
2.01%
US46613SGA24
2.01%
US74448EAA29
1.91%
Texas Private Activity Bond Surface Transportation Corp., 5% 30jun2058, USD (2019)
1.91%
New York Urban Development Corp., 4% 31oct2034, USD (2021)
1.90%
US1675937J52
1.83%
US84136HCT86
1.83%
MBBA
Data will be available soon
Frequently asked questions about MUNX and MBBA
Which ETF is bigger: MUNX or MBBA?
As of October 30, 2026, MUNX holds $18.40 M in assets under management (AUM), while MBBA manages $761.84 M.
What sectors do the MUNX and MBBA ETFs invest in?
MUNX leans toward sectors like Municipal. Meanwhile, MBBA focuses on Non-Corporate and Industrials.
What are the top holdings of the MUNX ETF and MBBA ETF?
MUNX top holdings include Commonwealth Financing Authority, 4% 1jun2039, USD (2018), US70868YAL39 and US717823Y444. MBBA holds in its top three: BlackRock Cash Funds - Treasury, US01F0526A56 and US01F0606A83.
Which ETF is more diversified: MUNX or MBBA?
MUNX holds 73 securities with 32.13% of its assets in the top 15. MBBA has 637 securities and a top 15 weight of 111.14%.
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