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AMG GW&K Core Bond ESG Fund (MBDFX)
Performance
Return for Risk
Dividends
Drawdowns
Volatility

Fund Info

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

Performance Chart

The chart shows the growth of an initial investment of $10,000 in AMG GW&K Core Bond ESG Fund, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.


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S&P 500 Index

Returns By Period

AMG GW&K Core Bond ESG Fund (MBDFX) has returned -0.93% so far this year and 3.46% over the past 12 months. Over the last ten years, MBDFX has returned 1.31% per year, falling short of the S&P 500 Index benchmark, which averaged 12.16% annually.


AMG GW&K Core Bond ESG Fund

1D
0.56%
1M
-2.70%
YTD
-0.93%
6M
0.00%
1Y
3.46%
3Y*
3.27%
5Y*
-0.45%
10Y*
1.31%

Benchmark (S&P 500 Index)

1D
2.91%
1M
-5.09%
YTD
-4.63%
6M
-2.39%
1Y
16.33%
3Y*
16.69%
5Y*
10.18%
10Y*
12.16%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Monthly Returns

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, your 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%-2.70%-0.93%
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 2.37%, beta of -0.00, and R² of 0.00 versus S&P 500 Index. Calculated based on daily prices since May 03, 1993.

  • This fund participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (10.38%) than losses (6.12%) — 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
2.37%
Beta
-0.00
0.00
Upside Capture
10.38%
Downside Capture
6.12%

Expense Ratio

MBDFX has an expense ratio of 0.56%, placing it in the medium range.


Return for Risk

Risk / Return Rank

MBDFX ranks 39 for risk / return — below 39% of mutual funds on our site. The returns aren't fully compensating for the risk involved. This isn't necessarily a dealbreaker, but factor it into your decision — especially if you're risk-averse.


MBDFX Risk / Return Rank: 3939
Overall Rank
MBDFX Sharpe Ratio Rank: 3838
Sharpe Ratio Rank
MBDFX Sortino Ratio Rank: 3434
Sortino Ratio Rank
MBDFX Omega Ratio Rank: 2626
Omega Ratio Rank
MBDFX Calmar Ratio Rank: 5353
Calmar Ratio Rank
MBDFX Martin Ratio Rank: 4141
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 a chosen benchmark (S&P 500 Index).


MBDFXBenchmarkDifference

Sharpe ratio

Return per unit of total volatility

0.85

0.90

-0.05

Sortino ratio

Return per unit of downside risk

1.19

1.39

-0.19

Omega ratio

Gain probability vs. loss probability

1.15

1.21

-0.06

Calmar ratio

Return relative to maximum drawdown

1.31

1.40

-0.09

Martin ratio

Return relative to average drawdown

4.39

6.61

-2.22

Explore MBDFX risk-adjusted metrics in detail

Dive deeper into individual metrics with historical trends, benchmark comparisons, and performance across different time periods.

Dividends

Dividend History

AMG GW&K Core Bond ESG Fund provided a 3.43% 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

3.43%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$0.06
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 5.35%.


Depth

Start

To Bottom

Bottom

To Recover

End

Total

-20.66%Jan 5, 2021455Oct 24, 2022
-12.21%Sep 8, 1993339Jan 10, 1995927Sep 10, 19981266
-12.17%Oct 6, 1998324Jan 18, 2000827May 6, 20031151
-8.51%Mar 10, 20208Mar 19, 202074Jul 6, 202082
-8.3%Feb 6, 2008203Nov 21, 200897Apr 15, 2009300

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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