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Performance
Performance Chart
The chart shows the growth of an initial investment of $10,000 in AMG Boston Common Global Impact 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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Returns By Period
AMG Boston Common Global Impact Fund (BRWIX) has returned -3.89% so far this year and 21.07% over the past 12 months. Over the last ten years, BRWIX has returned 9.50% per year, falling short of the S&P 500 Index benchmark, which averaged 12.16% annually.
AMG Boston Common Global Impact Fund
- 1D
- -0.40%
- 1M
- -10.64%
- YTD
- -3.89%
- 6M
- 1.65%
- 1Y
- 21.07%
- 3Y*
- 7.76%
- 5Y*
- 2.29%
- 10Y*
- 9.50%
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%
Monthly Returns
Based on dividend-adjusted daily data since Mar 21, 1996, BRWIX's average daily return is +0.03%, while the average monthly return is +0.69%. At this rate, your investment would double in approximately 8.4 years.
Historically, 60% of months were positive and 40% were negative. The best month was Feb 2000 with a return of +15.6%, while the worst month was Aug 1998 at -20.8%. The longest winning streak lasted 8 consecutive months, and the longest losing streak was 6 months.
On a daily basis, BRWIX closed higher 54% of trading days. The best single day was Oct 13, 2008 with a return of +10.2%, while the worst single day was Mar 16, 2020 at -12.9%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 3.26% | 4.16% | -10.64% | -3.89% | |||||||||
| 2025 | 2.78% | -2.22% | -4.29% | 1.38% | 5.99% | 5.17% | -0.17% | 1.60% | 3.91% | 3.85% | 0.79% | 1.04% | 21.16% |
| 2024 | -3.49% | 5.40% | 1.98% | -4.08% | 4.87% | -1.01% | 2.43% | 2.00% | 2.70% | -2.51% | 0.49% | -5.06% | 3.08% |
| 2023 | 9.03% | -4.06% | 4.32% | 0.00% | -2.58% | 4.89% | 2.57% | -5.57% | -6.84% | -6.86% | 11.36% | 9.00% | 13.75% |
| 2022 | -10.58% | -2.31% | -1.32% | -9.33% | 1.36% | -8.98% | 10.35% | -5.47% | -10.46% | 6.80% | 9.33% | -5.08% | -25.35% |
| 2021 | 0.07% | 7.81% | -5.21% | 1.58% | 2.91% | 1.67% | 2.83% | 4.22% | -7.31% | 4.57% | -3.25% | 2.88% | 12.38% |
Benchmark Metrics
AMG Boston Common Global Impact Fund has an annualized alpha of -0.22%, beta of 0.95, and R² of 0.75 versus S&P 500 Index. Calculated based on daily prices since March 22, 1996.
- This fund participated in 105.13% of S&P 500 Index downside but only 100.28% of its upside — more exposed to losses than it benefited from rallies.
- With beta of 0.95 and R² of 0.75, this fund moves broadly in line with S&P 500 Index — much of its variation is explained by market exposure rather than independent behavior.
- Alpha
- -0.22%
- Beta
- 0.95
- R²
- 0.75
- Upside Capture
- 100.28%
- Downside Capture
- 105.13%
Expense Ratio
BRWIX has a high expense ratio of 0.93%, indicating above-average management fees.
Return for Risk
Risk / Return Rank
BRWIX ranks 68 for risk / return — better than 68% 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 Boston Common Global Impact Fund (BRWIX) and compare them to a chosen benchmark (S&P 500 Index).
| BRWIX | Benchmark | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.20 | 0.90 | +0.30 |
Sortino ratioReturn per unit of downside risk | 1.75 | 1.39 | +0.36 |
Omega ratioGain probability vs. loss probability | 1.25 | 1.21 | +0.04 |
Calmar ratioReturn relative to maximum drawdown | 1.60 | 1.40 | +0.21 |
Martin ratioReturn relative to average drawdown | 6.97 | 6.61 | +0.36 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Explore BRWIX 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 Boston Common Global Impact Fund provided a 0.78% dividend yield over the last twelve months, with an annual payout of $0.35 per share.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 |
|---|---|---|---|---|---|---|---|---|
| Dividend | $0.35 | $0.35 | $0.45 | $0.24 | $0.16 | $20.57 | $8.64 | $5.36 |
Dividend yield | 0.78% | 0.75% | 1.17% | 0.63% | 0.48% | 45.72% | 14.71% | 10.30% |
Monthly Dividends
The table displays the monthly dividend distributions for AMG Boston Common Global Impact 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 | $0.00 | $0.00 | $0.00 | $0.00 | |||||||||
| 2025 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.35 | $0.35 |
| 2024 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.45 | $0.45 |
| 2023 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.24 | $0.24 |
| 2022 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.16 | $0.16 |
| 2021 | $0.00 | $0.00 | $20.28 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.29 | $20.57 |
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 Boston Common Global Impact 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 Boston Common Global Impact Fund was 54.49%, occurring on Mar 9, 2009. Recovery took 1505 trading sessions.
The current AMG Boston Common Global Impact Fund drawdown is 11.28%.
Depth | Start | To Bottom | Bottom | To Recover | End | Total |
|---|---|---|---|---|---|---|
| -54.49% | Nov 1, 2007 | 339 | Mar 9, 2009 | 1505 | Mar 2, 2015 | 1844 |
| -51.05% | Mar 24, 2000 | 742 | Mar 11, 2003 | 774 | Apr 5, 2006 | 1516 |
| -43.98% | Oct 14, 1997 | 249 | Oct 8, 1998 | 266 | Oct 28, 1999 | 515 |
| -36.71% | Sep 3, 2021 | 281 | Oct 14, 2022 | 760 | Oct 27, 2025 | 1041 |
| -33.39% | Feb 21, 2020 | 21 | Mar 20, 2020 | 93 | Aug 3, 2020 | 114 |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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