- ISIN
- US00170J7303
- CUSIP
- 00170J730
- Issuer
- AMG
- Inception Date
- Apr 30, 1993
- Category
- Intermediate Core Bond
- Min. Investment
- $100,000
- Distribution Policy
- Distributing
- Asset Class
- Bond
Share Price Chart
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Performance
MBDFX Performance Chart
AMG GW&K Core Bond ESG Fund (MBDFX) is up 0.2% since the beginning of the year. MBDFX is currently trading at $9 per share. Investors who bought $1,000 worth of MBDFX shares 5 years ago would now be looking at an investment worth $971.
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Returns By Period
AMG GW&K Core Bond ESG Fund (MBDFX) has returned 0.17% so far this year and 4.42% over the past 12 months. Over the last ten years, MBDFX has returned 1.29% per year, falling short of the S&P 500 Index benchmark, which averaged 13.88% annually.
AMG GW&K Core Bond ESG Fund
- 1D
- 0.22%
- 1M
- 0.89%
- YTD
- 0.17%
- 6M
- 0.28%
- 1Y
- 4.42%
- 3Y*
- 3.91%
- 5Y*
- -0.58%
- 10Y*
- 1.29%
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%
MBDFX Monthly Returns History
Based on dividend-adjusted daily data since Apr 30, 1993, MBDFX's average daily return is +0.01%, while the average monthly return is +0.19%. At this rate, an investment would double in approximately 30.4 years.
Historically, 58% of months were positive and 42% were negative. The best month was Nov 2023 with a return of +5.0%, while the worst month was Sep 2022 at -4.7%. The longest winning streak lasted 10 consecutive months, and the longest losing streak was 9 months.
On a daily basis, MBDFX closed higher 44% of trading days. The best single day was Nov 10, 2022 with a return of +2.1%, while the worst single day was Dec 17, 2004 at -3.1%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0.31% | 1.50% | -2.49% | 0.33% | 0.44% | 0.11% | 0.17% | ||||||
| 2025 | 0.54% | 2.33% | -0.14% | 0.09% | -0.46% | 1.66% | -0.13% | 1.09% | 1.18% | 0.66% | 0.62% | -0.33% | 7.29% |
| 2024 | -0.06% | -1.51% | 0.86% | -2.40% | 1.69% | 0.85% | 2.45% | 1.29% | 1.50% | -2.64% | 1.19% | -1.81% | 1.24% |
| 2023 | 3.85% | -2.74% | 2.28% | 0.67% | -1.19% | -0.21% | -0.21% | -0.64% | -2.82% | -1.83% | 4.97% | 3.85% | 5.73% |
| 2022 | -2.15% | -1.16% | -2.64% | -4.15% | 0.38% | -1.75% | 2.57% | -2.88% | -4.72% | -1.39% | 4.20% | -0.76% | -13.85% |
| 2021 | -0.49% | -1.60% | -1.07% | 0.85% | 0.10% | 0.96% | 0.85% | -0.25% | -0.72% | -0.08% | -0.07% | -1.82% | -3.34% |
Benchmark Metrics
AMG GW&K Core Bond ESG Fund has an annualized alpha of 2.38%, beta of -0.00, and R2 of 0.00 versus S&P 500 Index. Calculated based on daily prices since April 30, 1993.
- This fund participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (10.25%) than losses (6.05%) - typical of diversified or defensive assets.
- Beta of -0.00 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
- 2.38%
- Beta
- -0.00
- R²
- 0.00
- Upside Capture
- 10.25%
- Downside Capture
- 6.05%
Expense Ratio
MBDFX has an expense ratio of 0.56%, placing it in the medium range.
Return for Risk
Risk / Return Rank
MBDFX ranks 17 for risk / return — in the bottom 17% of mutual funds on our site. This means you're taking on significantly more risk than the returns justify. Consider whether the potential upside is worth the volatility, or explore alternatives with better risk / return profiles.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for AMG GW&K Core Bond ESG Fund (MBDFX) 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.
| MBDFX | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.86 | ||
| Sortino ratioReturn per unit of downside risk | -1.04 | ||
| Omega ratioGain probability vs. loss probability | 1.21 | 1.37 | -0.16 |
| Calmar ratioReturn relative to maximum drawdown | 1.37 | 2.78 | -1.41 |
| Martin ratioReturn relative to average drawdown | 3.73 | 12.44 | -8.71 |
Dividends
Dividend History
AMG GW&K Core Bond ESG Fund provided a 3.46% 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 | $0.31 | $0.26 | $0.19 | $0.24 | $0.20 | $0.25 | $0.23 | $0.21 | $0.21 | $0.41 |
Dividend yield | 3.46% | 3.66% | 3.50% | 2.92% | 2.16% | 2.35% | 1.84% | 2.40% | 2.30% | 2.10% | 2.06% | 4.17% |
Monthly Dividends
The table displays the monthly dividend distributions for AMG GW&K Core Bond ESG 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 | $0.03 | $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 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.31 |
| 2023 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.03 | $0.26 |
| 2022 | $0.01 | $0.01 | $0.01 | $0.01 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.19 |
| 2021 | $0.02 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.11 | $0.24 |
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 Core Bond ESG 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 Core Bond ESG Fund was 20.66%, occurring on Oct 24, 2022. The portfolio has not yet recovered.
The current AMG GW&K Core Bond ESG Fund drawdown is 4.30%.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
Bear market2022 | -20.66%Oct 2022 | 1y 9mo | — | 5y 5moJan 2021 - now |
1995 correction1995 | -12.21%Jan 1995 | 1y 4mo | 3y 8mo | 5y 3dSep 1993 - Sep 1998 |
2000 correction2000 | -12.17%Jan 2000 | 1y 3mo | 3y 3mo | 4y 7moOct 1998 - May 2003 |
COVID crash2020 | -8.51%Mar 2020 | 9d | 3mo 19d | 3mo 28dMar 2020 - Jul 2020 |
Financial crisis2007–2009 | -8.30%Nov 2008 | 9mo 19d | 4mo 25d | 1y 2moFeb 2008 - Apr 2009 |
Drawdown Indicators
| MBDFX | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -20.66% | -56.78% | +36.12% |
Max Drawdown (1Y)Largest decline over 1 year | -3.25% | -9.10% | +5.85% |
Max Drawdown (3Y)Largest decline over 3 years | -6.99% | -18.90% | +11.91% |
Max Drawdown (5Y)Largest decline over 5 years | -20.54% | -25.43% | +4.89% |
Max Drawdown (10Y)Largest decline over 10 years | -20.66% | -33.92% | +13.26% |
Current DrawdownCurrent decline from peak | -4.30% | -1.80% | -2.50% |
Average DrawdownAverage peak-to-trough decline | -3.96% | -10.71% | +6.75% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.19% | 2.03% | -0.84% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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