- ISIN
- US00170K5056
- CUSIP
- 00170K505
- Issuer
- AMG
- Inception Date
- Jun 29, 2009
- Category
- Municipal Bonds
- Min. Investment
- $100,000
- Distribution Policy
- Distributing
- Asset Class
- Bond
Share Price Chart
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Performance
GWMIX Performance Chart
AMG GW&K Municipal Bond Fund (GWMIX) is up 1.2% since the beginning of the year. GWMIX is currently trading at $12 per share. Investors who bought $1,000 worth of GWMIX shares 5 years ago would now be looking at an investment worth $1,087.
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Returns By Period
AMG GW&K Municipal Bond Fund (GWMIX) has returned 1.18% so far this year and 7.11% over the past 12 months. Over the last ten years, GWMIX has returned 2.29% per year, falling short of the S&P 500 Index benchmark, which averaged 13.88% annually.
AMG GW&K Municipal Bond Fund
- 1D
- 0.09%
- 1M
- 1.57%
- YTD
- 1.18%
- 6M
- 1.44%
- 1Y
- 7.11%
- 3Y*
- 3.55%
- 5Y*
- 1.68%
- 10Y*
- 2.29%
Benchmark (S&P 500 Index)
- 1D
- -0.37%
- 1M
- -0.01%
- YTD
- 9.16%
- 6M
- 8.64%
- 1Y
- 25.22%
- 3Y*
- 19.78%
- 5Y*
- 11.99%
- 10Y*
- 13.88%
GWMIX Monthly Returns History
Based on dividend-adjusted daily data since Jan 4, 2010, GWMIX's average daily return is +0.01%, while the average monthly return is +0.30%. At this rate, an investment would double in approximately 19.3 years.
Historically, 61% of months were positive and 39% were negative. The best month was Nov 2023 with a return of +6.0%, while the worst month was Nov 2016 at -4.3%. The longest winning streak lasted 10 consecutive months, and the longest losing streak was 5 months.
On a daily basis, GWMIX closed higher 41% of trading days. The best single day was Mar 25, 2020 with a return of +3.8%, while the worst single day was Mar 19, 2020 at -2.7%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1.29% | 1.34% | -3.46% | 1.31% | 0.35% | 0.43% | 1.18% | ||||||
| 2025 | 0.68% | 1.19% | -2.21% | -0.47% | 0.07% | 0.88% | -0.19% | 0.98% | 2.39% | 1.48% | 0.33% | 0.34% | 5.52% |
| 2024 | -0.40% | -0.01% | -0.21% | -1.36% | -0.94% | 1.65% | 0.93% | 0.84% | 1.01% | -1.77% | 1.73% | -1.34% | 0.04% |
| 2023 | 3.12% | -2.54% | 2.32% | -0.19% | -1.32% | 0.80% | 0.36% | -1.22% | -2.86% | -0.90% | 6.00% | 2.67% | 6.04% |
| 2022 | -3.06% | -0.57% | -3.26% | -2.93% | 1.77% | -1.37% | 3.21% | -2.30% | -3.70% | -0.39% | 4.85% | 0.43% | -7.45% |
| 2021 | 0.44% | -1.73% | 0.44% | 0.84% | 0.20% | 0.19% | 0.84% | -0.37% | -0.94% | -0.38% | 0.76% | 3.93% | 4.19% |
Benchmark Metrics
AMG GW&K Municipal Bond Fund has an annualized alpha of 3.51%, beta of 0.01, and R2 of 0.00 versus S&P 500 Index. Calculated based on daily prices since January 04, 2010.
- This fund participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (12.98%) than losses (4.76%) - typical of diversified or defensive assets.
- Beta of 0.01 may look defensive, but with R2 of 0.00 this fund is largely uncorrelated with S&P 500 Index - low beta reflects independence, not downside protection. See the Volatility section for a true picture of this fund's risk.
- R2 of 0.00 means this fund moves largely independently of S&P 500 Index - capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.
- Alpha
- 3.51%
- Beta
- 0.01
- R²
- 0.00
- Upside Capture
- 12.98%
- Downside Capture
- 4.76%
Expense Ratio
GWMIX has an expense ratio of 0.39%, placing it in the medium range.
Return for Risk
Risk / Return Rank
GWMIX ranks 64 for risk / return — better than 64% of mutual funds on our site. You're getting solid returns for the risk taken. A good sign, especially for investors who want growth without excessive volatility.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for AMG GW&K Municipal Bond Fund (GWMIX) and compare them to S&P 500 Index.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| GWMIX | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.63 | ||
| Sortino ratioReturn per unit of downside risk | +0.95 | ||
| Omega ratioGain probability vs. loss probability | 1.66 | 1.37 | +0.30 |
| Calmar ratioReturn relative to maximum drawdown | 1.85 | 2.78 | -0.94 |
| Martin ratioReturn relative to average drawdown | 5.59 | 12.44 | -6.85 |
Dividends
Dividend History
AMG GW&K Municipal Bond Fund provided a 2.71% dividend yield over the last twelve months, with an annual payout of $0.31 per share. The fund has been increasing its distributions for 3 consecutive years.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $0.31 | $0.33 | $0.29 | $0.24 | $0.21 | $0.71 | $0.23 | $0.27 | $0.22 | $0.19 | $0.38 | $0.35 |
Dividend yield | 2.71% | 2.86% | 2.60% | 2.11% | 1.89% | 5.75% | 1.82% | 2.19% | 1.88% | 1.64% | 3.38% | 3.01% |
Monthly Dividends
The table displays the monthly dividend distributions for AMG GW&K Municipal Bond Fund. The dividends shown in the table have been adjusted to account for any splits that may have occurred.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | $0.03 | $0.03 | $0.00 | $0.03 | $0.03 | $0.00 | $0.12 | ||||||
| 2025 | $0.03 | $0.02 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.33 |
| 2024 | $0.02 | $0.02 | $0.03 | $0.02 | $0.02 | $0.02 | $0.02 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.29 |
| 2023 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.24 |
| 2022 | $0.01 | $0.01 | $0.01 | $0.01 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.04 | $0.21 |
| 2021 | $0.02 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.56 | $0.71 |
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
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Worst Drawdowns
The table below displays the maximum drawdowns of the AMG GW&K Municipal Bond Fund. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the AMG GW&K Municipal Bond Fund was 12.27%, occurring on Oct 25, 2022. Recovery took 587 trading sessions.
The current AMG GW&K Municipal Bond Fund drawdown is 1.43%.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
Bear market2022 | -12.27%Oct 2022 | 9mo 24d | 2y 4mo | 3y 1moJan 2022 - Feb 2025 |
COVID crash2020 | -11.14%Mar 2020 | 10d | 4mo 13d | 4mo 23dMar 2020 - Jul 2020 |
2013 pullback2013 | -6.42%Sep 2013 | 4mo 2d | 7mo 8d | 11mo 10dMay 2013 - Apr 2014 |
2016 pullback2016 | -6.17%Dec 2016 | 4mo 27d | 7mo 25d | 1y 17dJul 2016 - Jul 2017 |
2011 pullback2011 | -5.76%Jan 2011 | 4mo 19d | 3mo 25d | 8mo 14dSep 2010 - May 2011 |
Drawdown Indicators
| GWMIX | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -12.27% | -56.78% | +44.51% |
Max Drawdown (1Y)Largest decline over 1 year | -3.89% | -9.10% | +5.21% |
Max Drawdown (3Y)Largest decline over 3 years | -5.41% | -18.90% | +13.49% |
Max Drawdown (5Y)Largest decline over 5 years | -12.27% | -25.43% | +13.16% |
Max Drawdown (10Y)Largest decline over 10 years | -12.27% | -33.92% | +21.65% |
Current DrawdownCurrent decline from peak | -1.43% | -1.80% | +0.37% |
Average DrawdownAverage peak-to-trough decline | -1.97% | -10.71% | +8.74% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.28% | 2.03% | -0.75% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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