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Buffalo Small Cap Fund (BUFSX)
Performance
Return for Risk
Dividends
Drawdowns
Volatility

Fund Info

ISIN
US1198041022
CUSIP
119804102
Issuer
Buffalo
Inception Date
Apr 14, 1998
Min. Investment
$2,500
Distribution Policy
Accumulating
Asset Class
Equity
Asset Class Size
Small-Cap
Asset Class Style
Growth

Share Price Chart


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Performance

Performance Chart

The chart shows the growth of an initial investment of $10,000 in Buffalo Small Cap 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

Buffalo Small Cap Fund (BUFSX) has returned -7.54% so far this year and 2.46% over the past 12 months. Over the last ten years, BUFSX has returned 8.96% per year, falling short of the S&P 500 Index benchmark, which averaged 12.16% annually.


Buffalo Small Cap Fund

1D
-1.58%
1M
-11.35%
YTD
-7.54%
6M
-7.29%
1Y
2.46%
3Y*
-1.05%
5Y*
-6.73%
10Y*
8.96%

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 14, 1998, BUFSX's average daily return is +0.05%, while the average monthly return is +0.98%. At this rate, your investment would double in approximately 5.9 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%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20264.04%0.26%-11.35%-7.54%
20254.37%-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%
202310.01%-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%
20215.86%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 4.15%, beta of 1.00, and R² of 0.71 versus S&P 500 Index. Calculated based on daily prices since April 15, 1998.

  • This fund captured 122.07% of S&P 500 Index gains and 104.14% of its losses — amplifying both gains and losses, but participating more in upside than downside.
  • This fund generated an annualized alpha of 4.15% 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
4.15%
Beta
1.00
0.71
Upside Capture
122.07%
Downside Capture
104.14%

Expense Ratio

BUFSX has a high expense ratio of 1.01%, indicating above-average management fees.


Return for Risk

Risk / Return Rank

BUFSX ranks 6 for risk / return — in the bottom 6% 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.


BUFSX Risk / Return Rank: 66
Overall Rank
BUFSX Sharpe Ratio Rank: 66
Sharpe Ratio Rank
BUFSX Sortino Ratio Rank: 77
Sortino Ratio Rank
BUFSX Omega Ratio Rank: 66
Omega Ratio Rank
BUFSX Calmar Ratio Rank: 66
Calmar Ratio Rank
BUFSX Martin Ratio Rank: 66
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 Buffalo Small Cap Fund (BUFSX) and compare them to a chosen benchmark (S&P 500 Index).


BUFSXBenchmarkDifference

Sharpe ratio

Return per unit of total volatility

0.09

0.90

-0.81

Sortino ratio

Return per unit of downside risk

0.30

1.39

-1.09

Omega ratio

Gain probability vs. loss probability

1.04

1.21

-0.17

Calmar ratio

Return relative to maximum drawdown

0.01

1.40

-1.39

Martin ratio

Return relative to average drawdown

0.03

6.61

-6.57

Explore BUFSX risk-adjusted metrics in detail

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

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.


0.00%20.00%40.00%60.00%80.00%$0.00$2.00$4.00$6.00$8.00$10.00$12.0020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
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.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
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$0.00$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.


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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 37.02%.


Depth

Start

To Bottom

Bottom

To Recover

End

Total

-53.24%Jul 13, 2007345Nov 20, 2008355Apr 22, 2010700
-46.74%Feb 16, 2021682Oct 27, 2023
-42.38%Apr 17, 2002123Oct 9, 2002265Oct 28, 2003388
-37.9%Feb 21, 202019Mar 18, 202050May 29, 202069
-31.84%Sep 5, 201877Dec 24, 2018232Nov 25, 2019309

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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