- ISIN
- US1198041022
- CUSIP
- 119804102
- Issuer
- Buffalo
- Inception Date
- Apr 14, 1998
- Category
- Small Cap Growth Equities
- Min. Investment
- $2,500
- Distribution Policy
- Accumulating
- Asset Class
- Equity
- Asset Class Size
- Small-Cap
- Asset Class Style
- Growth
Share Price Chart
Loading charts...
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Performance
BUFSX Performance Chart
Buffalo Small Cap Fund (BUFSX) is up 10.9% since the beginning of the year. BUFSX is currently trading at $16 per share. Investors who bought $1,000 worth of BUFSX shares 5 years ago would now be looking at an investment worth $807.
Loading charts...
Compare this symbol against anything
Returns By Period
Buffalo Small Cap Fund (BUFSX) has returned 10.90% so far this year and 15.81% over the past 12 months. Over the last ten years, BUFSX has returned 10.02% per year, falling short of the S&P 500 Index benchmark, which averaged 13.26% annually.
Buffalo Small Cap Fund
- 1D
- 2.74%
- 1M
- -5.34%
- 6M
- 6.60%
- YTD
- 10.90%
- 1Y
- 15.81%
- 3Y*
- 3.53%
- 5Y*
- -4.20%
- 10Y*
- 10.02%
- ALL TIME*
- 10.56%
Benchmark (S&P 500 Index)
- 1D
- 0.70%
- 1M
- 0.09%
- 6M
- 7.94%
- YTD
- 9.41%
- 1Y
- 20.07%
- 3Y*
- 17.84%
- 5Y*
- 11.25%
- 10Y*
- 13.26%
- ALL TIME*
- 8.09%
BUFSX Monthly Returns History
Based on dividend-adjusted daily data since Apr 14, 1998, BUFSX's average daily return is +0.05%, while the average monthly return is +1.03%. At this rate, an investment would double in approximately 5.6 years.
Historically, 60% of months were positive and 40% were negative. The best month was Feb 2000 with a return of +21.1%, while the worst month was Oct 2008 at -18.4%. The longest winning streak lasted 10 consecutive months, and the longest losing streak was 5 months.
On a daily basis, BUFSX closed higher 52% of trading days. The best single day was Apr 9, 2025 with a return of +10.1%, while the worst single day was Mar 16, 2020 at -13.7%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 4.04% | 0.26% | -8.19% | 11.81% | 4.59% | 7.87% | -8.19% | 10.90% | |||||
| 2025 | 4.37% | -7.66% | -6.49% | -1.94% | 4.79% | 5.52% | -0.34% | 3.24% | -0.94% | 0.40% | 1.48% | -1.59% | -0.13% |
| 2024 | -1.98% | 5.56% | 0.82% | -6.79% | 2.84% | -0.71% | 7.20% | -0.07% | 0.87% | -4.29% | 10.07% | -6.77% | 5.38% |
| 2023 | 10.01% | -1.90% | -1.87% | -4.30% | -0.96% | 8.04% | 2.27% | -4.04% | -8.07% | -9.77% | 8.88% | 9.71% | 5.45% |
| 2022 | -16.05% | 0.62% | -0.31% | -12.85% | -0.71% | -6.60% | 13.06% | 0.27% | -8.67% | 8.31% | -1.23% | -7.14% | -30.01% |
| 2021 | 5.86% | 6.03% | -5.30% | 5.83% | -3.16% | 5.82% | -3.29% | 0.56% | -3.30% | 5.09% | -8.98% | 0.71% | 4.44% |
Benchmark Metrics
Buffalo Small Cap Fund has an annualized alpha of 4.16%, beta of 1.00, and R2 of 0.71 versus S&P 500 Index. Calculated based on daily prices since April 14, 1998.
- This fund captured 122.02% of S&P 500 Index gains and 104.23% of its losses - amplifying both gains and losses, but participating more in upside than downside.
- This fund generated an annualized alpha of 4.16% versus S&P 500 Index - delivering returns beyond what market exposure alone would predict.
- With beta of 1.00 and R2 of 0.71, 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
- 4.16%
- Beta
- 1.00
- R²
- 0.71
- Upside Capture
- 122.02%
- Downside Capture
- 104.23%
Expense Ratio
BUFSX has a high expense ratio of 1.01%, indicating above-average management fees.
Return for Risk
Risk / Return Rank
BUFSX ranks 15 for risk / return — above 15% of mutual funds peers on PortfoliosLab. Its historical combined result is below most peers; review the five component ranks for context.
Risk / Return Metrics
The table below present risk-adjusted performance metrics for Buffalo Small Cap Fund (BUFSX) 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.
| BUFSX | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.82 | ||
| Sortino ratioReturn per unit of downside risk | -0.97 | ||
| Omega ratioGain probability vs. loss probability | 1.11 | 1.25 | -0.14 |
| Calmar ratioReturn relative to maximum drawdown | 0.81 | 2.00 | -1.19 |
| Martin ratioReturn relative to average drawdown | 2.78 | 8.49 | -5.71 |
Dividends
Dividend History
Buffalo Small Cap Fund provided a 0.00% dividend yield over the last twelve months, with an annual payout of $0.00 per share.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $2.59 | $1.88 | $1.25 | $3.28 | $4.44 | $3.79 | $12.39 |
Dividend yield | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 13.53% | 9.01% | 9.14% | 31.02% | 30.30% | 25.19% | 70.18% |
Monthly Dividends
The table displays the monthly dividend distributions for Buffalo Small Cap 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 | $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 | $0.00 | $0.00 |
| 2024 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 |
| 2023 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 |
| 2022 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 |
| 2021 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $2.59 | $2.59 |
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.
Loading charts...
Worst Drawdowns
The table below displays the maximum drawdowns of the Buffalo Small Cap 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 Buffalo Small Cap Fund was 53.24%, occurring on Nov 20, 2008. Recovery took 355 trading sessions.
The current Buffalo Small Cap Fund drawdown is 24.46%.
Drawdown | Fall | Recovery | Underwater | Related event |
|---|---|---|---|---|
-53.24%Nov 2008 | 1y 4mo | 1y 5mo | 2y 9moJul 2007 - Apr 2010 | Financial crisis2007–2009 |
-46.74%Oct 2023 | 2y 8mo | — | 5y 5moFeb 2021 - now | — |
-42.38%Oct 2002 | 5mo 25d | 1y 19d | 1y 6moApr 2002 - Oct 2003 | Dot-com crash2000–2002 |
-37.90%Mar 2020 | 26d | 2mo 12d | 3mo 8dFeb 2020 - May 2020 | COVID crash2020 |
-31.84%Dec 2018 | 3mo 20d | 11mo 6d | 1y 2moSep 2018 - Nov 2019 | Rate-hike selloffLate 2018 |
Drawdown Indicators
| BUFSX | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -53.24% | -56.78% | +3.54% |
Max Drawdown (1Y)Largest decline over 1 year | -14.92% | -9.10% | -5.82% |
Max Drawdown (3Y)Largest decline over 3 years | -26.39% | -18.90% | -7.49% |
Max Drawdown (5Y)Largest decline over 5 years | -46.57% | -25.43% | -21.14% |
Max Drawdown (10Y)Largest decline over 10 years | -46.74% | -33.92% | -12.82% |
Current DrawdownCurrent decline from peak | -24.46% | -1.58% | -22.88% |
Average DrawdownAverage peak-to-trough decline | -12.96% | -10.70% | -2.26% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.38% | 2.14% | +2.24% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
Loading charts...
Build a portfolio with BUFSX
Add Buffalo Small Cap Fund to a portfolio and analyze allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Analyzer with BUFSX