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AMG GW&K Muni Income ETF

MUNXNYSE ArcaC

$23.56+0.14 (+0.59%)

As of Oct 13, 2026, 2:55 PM

Intraday session: up, 3 prints from 23.42 to 23.56. Range 23.42 to 23.57. Use the arrow keys to read each point.23.4523.4823.5023.5210 AM12 PM2 PM4 PM
Expense ratio
0.29%
Fund size
$18M
1Y total return
—
Yield · Last 12 months
Data unavailable
Holdings
71
Avg volume · 30D
0M sh
NAV per share
$23.38
52W range
low $23.26high $25.45
Launched

The ETF.net MUNX Grade

C

Score 54 out of 100

Rank
39 of 63
Six-pillar profile for MUNX. Scores out of 100: Cost 61, Risk 42, Mission 95, Tradability 7, Holdings 36, Durability 23. Strongest: Mission (95). Weakest: Tradability (7). Leans toward Mission.

Score 54 of 100 falls in the C band. A is 70 or higher, B 55 to under 70, C 40 to under 55, D 25 to under 40, F under 25.

  • Cost

    The fund’s net expense ratio, ranked against its category.
    B61 out of 100
    Rank 22 of 63
  • Mission

    Whether the fund did what it promised, tested against its stated mandate.
    A95 out of 100
    Rank 18 of 59
  • Risk

    How the fund held up when markets fell: downside volatility, drawdowns and tail loss.
    C42 out of 100
    Rank 44 of 63
  • Tradability

    How easy the fund is to trade: daily volume, and how far its price strays from net asset value.
    F7 out of 100
    Rank 63 of 63
  • Holdings

    How concentrated the fund is, and how complete and current its disclosed holdings are.
    D36 out of 100
    Rank 53 of 63
  • Durability

    Whether the fund is likely to stay open, judged by its age, its assets and its issuer’s assets.
    F23 out of 100
    Rank 55 of 63

Our read on MUNX

ETF.net Research

CA Boston bond boutique's muni playbook in an ETF wrapper. GW&K's team picks individual tax-exempt bonds across sectors, maturities and credit tiers, aiming at federally tax-free income instead of mirroring an index.

Stated mandate

The Fund seeks current income exempt from federal income tax while preserving capital. Capital appreciation is a secondary objective.

Why people hold it

  1. 01Actively run rather than index-shadowing: managers can shift sectors, maturities and credit quality inside a muni market where many bonds trade by appointment.amgetfs.com
  2. 02At 0.29% a year, it charges a shade under the typical muni bond ETF while running an active book instead of a rules-based one.
  3. 03Clear job description: core intermediate US munis, federally tax-exempt income first, capital preservation alongside it, price appreciation only a secondary goal.amgetfs.com
  4. 04Income is designed to arrive monthly per the fund's filings, and the portfolio stays tightly inside that tax-exempt muni mandate with no side bets.

Worth knowing

  1. 01Index munis undercut it sharply: VTEB and SCMB charge 0.03%. Active bond selection is the entire reason to pay the difference here.
  2. 02Launched in late 2025, so the record is short and trading has been light. Spreads can run wider than the big muni index funds, which makes execution matter.
  3. 03Payout timing has been uneven early on, and the exemption is federal only: state taxes and bonds subject to the AMT are still in play.aaii.com

MUNX Holdings

As of Oct 12, 2026
Asset class
Bonds
Holdings
71
Top-10 weight
27%
Largest holding
FICC - Sweep 10/9/2026 3.60% 2026-10-135.5%
The fund’s holdings, weight-ordered — page 1 of 5.
#TickerCompanyWeight %SharesMarket valueIn ETFs
001—FICC - Sweep 10/9/2026 3.60% 2026-10-135.51%0$1M1
002—Commonwealth Financing Authority 4.00% 2039-06-013.12%0$569K1
003—Pennsylvania Economic Development Financing Authority 5.25% 2035-06-302.70%0$492K1
004—Aquarion Water Authority 5.00% 2034-08-012.31%0$422K1
005—Pennsylvania Economic Development Financing Authority 5.00% 2033-06-302.27%0$415K1
006—City of Houston Tx Hotel Occupancy Tax & Special Revenue 5.00% 2038-09-012.27%0$413K1
007—New York Transportation Development Corp 6.00% 2055-06-302.18%0$397K1
008—North Dakota Housing Finance Agency 4.70% 2045-07-012.12%0$387K1
009—Jea Electric System Revenue 4.00% 2037-10-012.07%0$377K1
010—Massachusetts Development Finance Agency 5.50% 2044-10-012.04%0$372K1
011—New York Transportation Development Corp 4.00% 2034-10-311.96%0$358K1
012—Public Finance Authority 5.00% 2041-06-011.94%0$354K1
013—Texas Private Activity Bond Surface Transportation Corp 5.00% 2058-06-301.91%0$349K1
014—Chicago O'hare International Airport 5.00% 2030-01-011.89%0$344K1
015—Southeast Energy Authority A Cooperative District 5.00% 2030-10-011.87%0$341K1

Showing 1–15 of 71 holdings

MUNX Performance

Launched Oct 29, 2025

Shows how $10,000 changes over the selected period, with cash distributions reinvested at the closing price on each ex-dividend date.

Not enough history yet.Not enough history yet.Not enough history yet.Not enough history yet.
MUNX$9,640
SPY tracks large US stocks. It provides market context, rather than representing this fund’s strategy, asset class or investment benchmark.$11,500
Dec 31, 2025 to Oct 12, 2026. MUNX $9,640. SPY $11,500. Use the arrow keys to read each point.$9,116$10,404$11,692Dec 2025May 2026Oct 2026

Dec 31, 2025 – Oct 12, 2026

Returns run to the Oct 12, 2026 close, with cash distributions reinvested. Each period starts on the same date that many months or years earlier. Periods over one year show the average yearly return.

Trailing total return for MUNX. Periods over one year show the average yearly return.
PeriodMUNX
Year to date−3.6%
1 month−2.6%
3 months−5.6%
1 yearFund is under 1 year old—
3 yearsFund is under 3 years oldper year—
5 yearsFund is under 5 years oldper year—
10 yearsFund is under 10 years oldper year—

As of the close, with distributions reinvested.

Calendar-year total return with cash distributions hypothetically reinvested at the ex-dividend date’s closing price. The current year shows year to date.

Annual total returns for MUNX
YearReturn barMUNX
2026 YTD−3.6%
2025+0.5%

History from Oct 30, 2025

MUNX in the news

Filtered to MUNX · Other Municipal Bond

MUNX Dividends

Last payment
$0.08 per share
Paid on
Shares bought on or after this date do not qualify for this distribution.
Frequency
Monthly

Distribution data unavailable.

Distribution history

2025–2026

One bar per payment. 11 payments from 2025 to 2026 YTD. Dec 1, 2025 $0.06; Dec 16, 2025 $0.08; Feb 2, 2026 $0.06; Mar 2, 2026 $0.07; Apr 1, 2026 $0.07; May 1, 2026 $0.07; Jun 1, 2026 $0.08; Jul 1, 2026 $0.07; Aug 3, 2026 $0.08; Sep 1, 2026 $0.08; Oct 1, 2026 $0.08. Use the arrow keys to read each point.20252026YTD
Ex-datePay dateAmount per share
Oct 1, 2026Oct 6, 2026$0.08
Sep 1, 2026Sep 4, 2026$0.08
Aug 3, 2026Aug 6, 2026$0.08
Jul 1, 2026Jul 7, 2026$0.07
Jun 1, 2026Jun 4, 2026$0.08
May 1, 2026May 6, 2026$0.07
Apr 1, 2026Apr 7, 2026$0.07
Mar 2, 2026Mar 5, 2026$0.07
Feb 2, 2026Feb 5, 2026$0.06
Dec 16, 2025Dec 19, 2025$0.08
Dec 1, 2025Dec 4, 2025$0.06

MUNX Risk

How much the fund’s monthly returns vary, scaled to a year.
—
Launched Oct 2025; fills in after 12 months
How it’s calculated: standard deviation

The sample standard deviation of monthly total returns, multiplied by the square root of 12.

Uses up to 36 complete months, with at least 12 required. Total returns include reinvested distributions.

Return above 3-month US Treasury bills per unit of volatility.
—
Launched Oct 2025; fills in after 12 months
How it’s calculated: Sharpe ratio

Subtract each month’s Treasury-bill return from the fund’s monthly total return.

Divide the average of those excess returns by their sample standard deviation, then multiply by the square root of 12.

Uses up to 36 complete months, with at least 12 required. Each month uses the Treasury yield quoted at the end of the previous month.

The largest fall from a peak to the low that followed.
—
Launched Oct 2025; fills in after 12 months
How it’s calculated: maximum drawdown

The largest percentage decline from an earlier peak, using total returns with reinvested distributions.

Uses up to five years through the last close, with at least 12 months required.

How strongly the fund’s returns move with its asset-class index.
0.18
vs its asset-class index
How it’s calculated: beta

The beta figure is supplied by FMP. The comparison index depends on the fund’s broad asset class.

MUNX Cost

Expense ratio0.29%
  • The middle half of Other Municipal Bond funds
  • Median 0.30%

26 of the 63 Other Municipal Bond funds charge less.

MUNX costs $29.00 a year on $10,000. The median Other Municipal Bond fund costs $30.00.

Other funds in Other Municipal Bond