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ISIN
US00170J7303
CUSIP
00170J730
Issuer
AMG
Inception Date
Apr 30, 1993
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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S&P 500 Index

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%
*Multi-year figures are annualized to reflect compound growth (CAGR)

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%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20260.31%1.50%-2.49%0.33%0.44%0.11%0.17%
20250.54%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%
20233.85%-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
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.


MBDFX Risk / Return Rank: 1717
Overall Rank
MBDFX Sharpe Ratio Rank: 1919
Sharpe Ratio Rank
MBDFX Sortino Ratio Rank: 1919
Sortino Ratio Rank
MBDFX Omega Ratio Rank: 1818
Omega Ratio Rank
MBDFX Calmar Ratio Rank: 1717
Calmar Ratio Rank
MBDFX Martin Ratio Rank: 1414
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

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.


MBDFXBenchmarkDifference
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.


2.00%2.50%3.00%3.50%4.00%$0.00$0.10$0.20$0.30$0.4020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
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.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
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 4mo3y 8mo
5y 3dSep 1993 - Sep 1998
2000 correction2000
-12.17%Jan 2000
1y 3mo3y 3mo
4y 7moOct 1998 - May 2003
COVID crash2020
-8.51%Mar 2020
9d3mo 19d
3mo 28dMar 2020 - Jul 2020
Financial crisis2007–2009
-8.30%Nov 2008
9mo 19d4mo 25d
1y 2moFeb 2008 - Apr 2009

Drawdown Indicators


MBDFXBenchmarkDifference

Max Drawdown

Largest 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 Drawdown

Current decline from peak

-4.30%

-1.80%

-2.50%

Average Drawdown

Average peak-to-trough decline

-3.96%

-10.71%

+6.75%

Ulcer Index

Depth 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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Portfolio Analyzer

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