BUFMX vs. BUFGX
BUFMX (Buffalo Mid Cap Fund) and BUFGX (Buffalo Growth Fund) are both mutual funds - BUFMX is a Mid Cap Growth Equities fund managed by Buffalo, while BUFGX is a Large Cap Growth Equities fund managed by Buffalo. Over the past 10 years, BUFMX returned 7.41%/yr vs 12.44%/yr for BUFGX. Their correlation of 0.89 means they have usually moved in the same direction. BUFMX charges 1.02%/yr vs 0.92%/yr for BUFGX.
Performance
BUFMX vs. BUFGX - Performance Comparison
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Returns By Period
In the year-to-date period, BUFMX achieves a -6.12% return, which is significantly lower than BUFGX's -3.07% return. Over the past 10 years, BUFMX has underperformed BUFGX with an annualized return of 7.41%, while BUFGX has yielded a comparatively higher 12.44% annualized return.
BUFMX
- 1D
- 2.86%
- 1M
- -4.21%
- 6M
- -4.41%
- YTD
- -6.12%
- 1Y
- -11.44%
- 3Y*
- 1.22%
- 5Y*
- -1.76%
- 10Y*
- 7.41%
- ALL TIME*
- 7.54%
BUFGX
- 1D
- 2.51%
- 1M
- -1.31%
- 6M
- -1.57%
- YTD
- -3.07%
- 1Y
- 4.31%
- 3Y*
- 12.99%
- 5Y*
- 7.19%
- 10Y*
- 12.44%
- ALL TIME*
- 10.52%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
BUFGX Buffalo Growth Fund | $0.00 | $0.00 | $0.00 |
BUFMX Buffalo Mid Cap Fund | $0.00 | $0.00 | $0.00 |
BUFMX vs. BUFGX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BUFMX Buffalo Mid Cap Fund | -6.12% | -1.68% | 6.73% | 26.92% | -27.89% | 14.39% | 34.24% | 37.96% | -7.29% | 13.59% |
BUFGX Buffalo Growth Fund | -3.07% | 13.95% | 25.13% | 42.67% | -31.19% | 21.52% | 28.29% | 31.89% | 0.69% | 22.76% |
Correlation
The correlation between BUFMX and BUFGX is 0.67, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.67 |
Correlation (3Y) Balances recent behavior with more history. | 0.72 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.83 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.85 |
Correlation (All Time) Calculated using the full available price history since Dec 14, 2001 | 0.89 |
Over the past year, the correlation between BUFMX and BUFGX has dropped to 0.67 - well below their long-term average of 0.89, suggesting their price drivers have been diverging.
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Return for Risk
BUFMX vs. BUFGX — Risk / Return Rank
BUFMX
BUFGX
BUFMX vs. BUFGX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Buffalo Mid Cap Fund (BUFMX) and Buffalo Growth Fund (BUFGX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
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.
| BUFMX | BUFGX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.95 | ||
| Sortino ratioReturn per unit of downside risk | -1.36 | ||
| Omega ratioGain probability vs. loss probability | 0.88 | 1.04 | -0.16 |
| Calmar ratioReturn relative to maximum drawdown | -0.76 | 0.14 | -0.90 |
| Martin ratioReturn relative to average drawdown | -1.52 | 0.44 | -1.96 |
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Drawdowns
BUFMX vs. BUFGX - Drawdown Comparison
The maximum BUFMX drawdown since its inception was -58.44%, which is greater than BUFGX's maximum drawdown of -50.17%. Use the drawdown chart below to compare losses from any high point for BUFMX and BUFGX.
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Drawdown Indicators
| BUFMX | BUFGX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -58.44% | -50.17% | -8.27% |
Max Drawdown (1Y)Largest decline over 1 year | -17.71% | -17.63% | -0.08% |
Max Drawdown (3Y)Largest decline over 3 years | -20.29% | -21.93% | +1.64% |
Max Drawdown (5Y)Largest decline over 5 years | -35.58% | -35.68% | +0.10% |
Max Drawdown (10Y)Largest decline over 10 years | -35.58% | -35.68% | +0.10% |
Current DrawdownCurrent decline from peak | -13.92% | -5.94% | -7.98% |
Average DrawdownAverage peak-to-trough decline | -9.41% | -8.95% | -0.46% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 9.49% | 5.63% | +3.86% |
Volatility
BUFMX vs. BUFGX - Volatility Comparison
Buffalo Mid Cap Fund (BUFMX) has a higher volatility of 5.84% compared to Buffalo Growth Fund (BUFGX) at 4.78%. This indicates that BUFMX's price experiences larger fluctuations and is considered to be riskier than BUFGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BUFMX | BUFGX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.84% | 4.78% | +1.06% |
Volatility (6M)Calculated over the trailing 6-month period | 14.04% | 13.23% | +0.81% |
Volatility (1Y)Calculated over the trailing 1-year period | 16.88% | 16.47% | +0.41% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 20.41% | 21.57% | -1.16% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.78% | 20.78% | -1.00% |
BUFMX vs. BUFGX - Expense Ratio Comparison
BUFMX has a 1.02% expense ratio, which is higher than BUFGX's 0.92% expense ratio.
Dividends
BUFMX vs. BUFGX - Dividend Comparison
BUFMX's dividend yield for the trailing twelve months is around 10.98%, more than BUFGX's 6.31% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BUFGX Buffalo Growth Fund | 6.31% | 6.12% | 8.55% | 5.55% | 4.77% | 9.90% | 4.97% | 13.60% | 34.64% | 20.49% | 0.00% | 18.46% |
BUFMX Buffalo Mid Cap Fund | 10.98% | 10.31% | 6.93% | 5.21% | 5.46% | 11.45% | 6.91% | 8.20% | 4.47% | 25.22% | 8.49% | 13.06% |
Frequently Asked Questions
BUFMX and BUFGX have a correlation of 0.67, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BUFMX has higher volatility (5.84%) compared to BUFGX (4.78%). In terms of maximum drawdown, BUFMX dropped -58.44% vs BUFGX's -50.17%.
BUFGX currently has the higher Sharpe Ratio (0.15 vs -0.80), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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