FUNDS OVERVIEW

Explore The Buffalo Family Of Funds

QUICK SELECT

ACTIVELY MANAGED, NO-LOAD FUNDS
FOCUSED ON LONG-TERM GROWTH

“We believe active portfolio management leads to superior wealth creation and better risk-adjusted results over time. Our investment approach combines top-down trend analysis with bottom-up fundamental company research and then applies a strict valuation discipline to security selection.

At its core, our organization is driven by a working philosophy that stresses a team-based investment management structure, independent thinking, in-depth and in-house research, and a long-term focus.

We invest alongside our clients and have a pride of independent ownership.”

~ John C. Kornitzer,
Founder, Buffalo Funds

PERFORMANCE

INVESTOR SHARES INSTITUTIONAL SHARES
As of 12/19/2025 TICKER NAV $ CHG % CHG % YTD TICKER NAV $ CHG % CHG % YTD
BLUE CHIP GROWTH BUFEX 58.66 $0.67 1.16% 15.93% BUIEX 59.17 $0.67 1.15% 16.09%
EARLY STAGE GROWTH BUFOX 16.43 $0.17 1.05% 4.27% BUIOX 16.58 $0.16 0.97% 4.35%
FLEXIBLE ALLOCATION BUFBX 20.30 $0.04 0.20% 9.68% BUIBX 20.29 $0.04 0.20% 9.86%
GROWTH BUFGX 37.20 $0.42 1.14% 13.22% BIIGX 37.56 $0.42 1.13% 13.34%
GROWTH & INCOME BUFDX 34.73 $0.10 0.29% 8.43% BUIDX 34.75 $0.10 0.29% 8.54%
HIGH YIELD BUFHX 10.51 $0.02 0.19% 4.81% BUIHX 10.48 $0.02 0.19% 4.96%
INTERNATIONAL BUFIX 23.54 $0.07 0.30% 15.32% BUIIX 23.54 $0.08 0.34% 15.51%
MID CAP DISCOVERY BUFTX 18.92 $0.18 0.96% -1.06% BUITX 19.20 $0.19 1.00% -0.88%
MID CAP GROWTH BUFMX 14.60 $0.11 0.76% -1.32% BUIMX 14.78 $0.11 0.75% -1.12%
SMALL CAP GROWTH BUFSX 15.08 $0.18 1.21% 1.34% BUISX 15.21 $0.19 1.26% 1.47%
TOTAL RETURNS % AVERAGE ANNUALIZED TOTAL RETURNS %
As of 11/30/2025 TICKER MO YTD 1YR 3YR 5YR 10YR 15YR 20YR SI*
BLUE CHIP GROWTH
Investor Shares BUFEX -1.49 17.19 16.82 25.59 14.61 15.37 14.81 11.67 11.18
Institutional Shares BUIEX -1.48 17.36 17.00 25.74 14.76 15.54 14.97 11.83 11.35
Russell 1000® Growth Index - -1.81 19.30 20.35 27.98 16.51 18.03 17.04 13.25 11.54
Lipper Large Cap Growth Funds Index - -1.75 17.97 17.31 26.75 13.70 15.98 15.18 11.53 10.23
EARLY STAGE GROWTH
Investor Shares BUFOX -3.19 0.72 -5.49 3.76 0.36 8.64 10.96 7.57 7.89
Institutional Shares BUIOX -3.22 0.84 -5.44 3.84 0.48 8.79 11.12 7.72 8.05
Russell 2000® Growth Index - -0.68 14.48 5.11 13.54 5.31 9.18 10.57 8.82 9.15
Lipper Small Cap Growth Funds Index - 0.91 7.21 -0.84 10.76 4.86 10.17 10.77 8.63 8.97
FLEXIBLE ALLOCATION
Investor Shares BUFBX 2.91 11.13 5.20 8.35 12.93 8.91 8.86 7.86 7.73
Institutional Shares BUIBX 2.92 11.29 5.37 8.51 13.10 9.07 9.02 8.02 7.89
Russell 3000® Index - 0.27 17.17 13.59 19.82 14.15 14.05 14.08 10.77 10.92
Lipper Flexible Portfolio Fund Total Return Index - 0.98 16.43 12.99 11.46 7.37 8.07 7.64 6.75 7.17
GROWTH
Investor Shares BUFGX -0.60 14.61 14.24 23.92 12.41 13.96 13.59 11.25 11.17
Institutional Shares BIIGX -0.59 14.72 14.36 24.06 12.54 14.11 13.75 11.41 11.33
Russell 3000® Growth Index - -1.68 18.83 19.36 27.12 15.82 17.45 16.62 12.96 11.31
Lipper Large Cap Growth Funds Index - -1.75 17.97 17.31 26.75 13.70 15.98 15.18 11.53 10.23
GROWTH & INCOME
Investor Shares BUFDX 2.17 8.57 3.56 14.48 12.51 12.30 - - 12.92
Institutional Shares BUIDX 2.20 8.72 3.71 14.64 12.69 12.47 - - 13.09
Russell 1000® Index - 0.24 17.36 14.09 20.31 14.53 14.38 - - 14.83
Lipper Equity Income Funds Index - 2.59 14.77 8.66 11.58 11.81 10.61 - - 11.09
HIGH YIELD
Investor Shares BUFHX 0.41 4.43 4.59 8.58 5.45 5.50 5.65 6.04 6.76
Institutional Shares BUIHX 0.42 4.66 4.84 8.78 5.63 5.66 5.81 6.20 6.92
ICE BofA High Yield Index - 0.51 7.88 7.42 9.59 4.81 6.13 6.01 6.66 6.75
Lipper High Yield Bond Funds Index - 0.37 7.14 6.66 8.87 4.72 5.57 5.53 5.73 5.69
INTERNATIONAL
Investor Shares BUFIX -2.61 14.18 9.96 8.77 5.12 8.43 7.22 - 5.60
Institutional Shares BUIIX -2.61 14.38 10.14 8.94 5.27 8.59 7.38 - 5.76
FTSE All-World ex US Index Index - 0.08 28.72 26.29 16.45 9.06 8.50 6.87 - 4.43
Lipper International Muti-Cap Growth Index - -0.72 20.91 16.83 12.49 5.28 6.67 5.96 - 3.75
MID CAP DISCOVERY
Investor Shares BUFTX -1.07 0.22 -5.52 7.59 2.57 8.44 10.71 9.59 8.65
Institutional Shares BUITX -1.06 0.39 -5.34 7.76 2.72 8.60 10.88 9.75 8.81
Russell Midcap® Growth Index - -2.12 10.13 3.29 16.74 7.94 12.39 12.73 10.44 9.79
Lipper Mid Cap Growth Funds Index - -0.49 4.60 -1.93 9.55 3.02 9.65 10.20 8.89 7.96
MID CAP GROWTH
Investor Shares BUFMX -2.28 -0.06 -6.29 8.51 3.66 8.30 8.89 7.77 8.17
Institutional Shares BUIMX -2.25 0.12 -6.17 8.67 3.80 8.45 9.05 7.93 8.33
Russell Midcap® Growth Index - -2.12 10.13 3.29 16.74 7.94 12.39 12.73 10.44 10.00
Lipper Mid Cap Growth Funds Index - -0.49 4.60 -1.93 9.55 3.02 9.65 10.20 8.89 8.29
SMALL CAP GROWTH
Investor Shares BUFSX 1.48 1.48 -5.39 1.55 -1.08 9.01 9.54 7.92 10.52
Institutional Shares BUISX 1.53 1.60 -5.29 1.65 -0.97 9.15 9.69 8.07 10.67
Russell 2000® Growth Index - -0.68 14.48 5.11 13.54 5.31 9.18 10.57 8.82 6.74
Lipper Small Cap Growth Funds Index - 0.91 7.21 -0.84 10.76 4.86 10.17 10.77 8.63 7.53

*Since inception. 

TOTAL RETURNS % AVERAGE ANNUALIZED TOTAL RETURNS %
As of 09/30/2025 TICKER QTR YTD 1YR 3YR 5YR 10YR 15YR 20YR SI*
BLUE CHIP GROWTH
Investor Shares BUFEX 8.87 15.28 20.08 28.83 15.58 15.94 15.16 11.79 11.19
Institutional Shares BUIEX 8.90 15.41 20.23 28.99 15.73 16.11 15.32 11.95 11.35
Russell 1000® Growth Index - 10.51 17.24 25.53 31.61 17.58 18.83 17.36 13.33 11.54
Lipper Large Cap Growth Funds Index - 8.73 16.13 22.53 30.41 14.80 16.84 15.53 11.65 10.23
EARLY STAGE GROWTH
Investor Shares BUFOX 8.55 4.16 2.19 8.20 3.69 9.74 11.56 7.82 8.13
Institutional Shares BUIOX 8.54 4.25 2.29 8.28 3.80 9.88 11.71 7.97 8.28
Russell 2000® Growth Index - 12.19 11.65 13.56 16.68 8.41 9.91 11.01 8.78 9.10
Lipper Small Cap Growth Funds Index - 5.55 4.67 5.32 13.98 7.41 10.73 11.15 8.60 8.93
FLEXIBLE ALLOCATION
Investor Shares BUFBX 3.38 8.73 5.25 13.54 13.93 9.34 8.85 7.69 7.70
Institutional Shares BUIBX 3.42 8.86 5.42 13.71 14.10 9.50 9.01 7.85 7.86
Russell 3000® Index - 8.18 14.40 17.41 24.12 15.74 14.71 14.23 10.75 10.90
Lipper Flexible Portfolio Fund Total Return Index - 5.20 13.72 10.96 14.52 8.00 8.26 7.70 6.68 7.13
GROWTH
Investor Shares BUFGX 7.04 11.68 17.30 27.14 13.38 14.45 13.89 11.16 11.14
Institutional Shares BIIGX 7.09 11.78 17.44 27.29 13.52 14.61 14.05 11.32 11.30
Russell 3000® Growth Index - 10.41 16.82 24.79 30.76 17.03 18.26 16.95 13.04 11.32
Lipper Large Cap Growth Funds Index - 8.73 16.13 22.53 30.41 14.80 16.84 15.53 11.65 10.23
GROWTH & INCOME
Investor Shares BUFDX 4.55 7.32 9.62 18.91 14.39 13.00 - - 13.00
Institutional Shares BUIDX 4.62 7.44 9.78 19.09 14.56 13.17 - - 13.17
Russell 1000® Index - 7.99 14.60 17.75 24.64 15.99 15.04 - - 14.82
Lipper Equity Income Funds Index - 5.16 11.91 9.89 16.48 13.34 11.10 - - 11.02
HIGH YIELD
Investor Shares BUFHX 1.45 4.57 6.52 10.03 6.56 5.66 5.78 6.05 6.80
Institutional Shares BUIHX 1.50 4.68 6.67 10.20 6.73 5.81 5.93 6.20 6.96
ICE BofA High Yield Index - 2.42 7.12 7.31 11.06 5.59 6.10 6.05 6.61 6.76
Lipper High Yield Bond Funds Index - 2.44 6.51 6.82 10.33 5.50 5.52 5.61 5.71 5.71
INTERNATIONAL
Investor Shares BUFIX -1.24 16.03 4.33 15.92 7.09 9.17 7.44 - 5.75
Institutional Shares BUIIX -1.16 16.22 4.56 16.10 7.25 9.34 7.60 - 5.91
FTSE All-World ex US Index Index - 7.13 26.15 16.74 21.17 10.93 8.85 6.68 - 4.36
Lipper International Muti-Cap Growth Index - 2.71 21.04 11.97 19.09 7.11 7.29 5.99 - 3.79
MID CAP DISCOVERY
Investor Shares BUFTX -2.21 1.38 0.73 12.13 4.87 9.29 11.13 9.79 8.76
Institutional Shares BUITX -2.19 1.50 0.89 12.28 5.02 9.45 11.30 9.95 8.92
Russell Midcap® Growth Index - 2.78 12.84 22.02 22.85 11.26 13.37 13.44 10.70 9.96
Lipper Mid Cap Growth Funds Index - 1.89 5.21 6.93 13.77 5.58 10.37 10.76 9.06 8.04
MID CAP GROWTH
Investor Shares BUFMX -1.23 3.56 3.35 14.21 6.97 9.20 9.56 8.19 8.39
Institutional Shares BUIMX -1.27 3.65 3.44 14.35 7.10 9.35 9.72 8.35 8.55
Russell Midcap® Growth Index - 2.78 12.84 22.02 22.85 11.26 13.37 13.44 10.70 10.18
Lipper Mid Cap Growth Funds Index - 1.89 5.21 6.93 13.77 5.58 10.37 10.76 9.06 8.38
SMALL CAP GROWTH
Investor Shares BUFSX 1.93 -0.40 -2.18 3.21 1.30 9.75 9.56 8.00 10.51
Institutional Shares BUISX 1.98 -0.33 -2.10 3.28 1.41 9.89 9.71 8.15 10.66
Russell 2000® Growth Index - 12.19 11.65 13.56 16.68 8.41 9.91 11.01 8.78 6.69
Lipper Small Cap Growth Funds Index - 5.55 4.67 5.32 13.98 7.41 10.73 11.15 8.60 7.49

*Since inception. 

TICKER 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024
BLUE CHIP GROWTH
Investor Shares BUFEX 7.15 6.90 24.86 -1.63 31.77 28.08 26.08 -28.61 40.39 28.87
Institutional Shares BUIEX 7.31 7.06 25.05 -1.48 31.98 28.28 26.27 -28.51 40.52 29.03
Russell 1000® Growth Index - 5.67 7.08 30.21 -1.51 36.39 38.49 27.60 -29.14 42.68 33.36
Lipper Large Cap Growth Funds Index - 5.61 0.54 31.85 -0.47 33.56 38.60 22.36 -32.03 42.03 30.73
EARLY STAGE GROWTH
Investor Shares BUFOX -9.41 11.05 27.18 -3.95 34.03 47.69 7.79 -30.76 9.83 7.52
Institutional Shares BUIOX -9.28 11.22 27.37 -3.81 34.20 47.96 7.94 -30.66 9.98 7.53
Russell 2000® Growth Index - -1.38 11.32 22.17 -9.31 28.48 34.63 2.83 -26.36 18.66 15.15
Lipper Small Cap Growth Funds Index - -1.15 8.19 24.77 -3.93 30.65 37.36 11.22 -26.54 18.36 13.62
FLEXIBLE ALLOCATION
Investor Shares BUFBX -1.97 9.90 13.21 -7.00 18.76 -2.24 30.00 4.01 7.43 10.26
Institutional Shares BUIBX -1.83 10.07 13.38 -6.86 18.87 -2.10 30.21 4.22 7.53 10.43
Russell 3000® Index - 0.48 12.74 21.13 -5.24 31.02 20.89 25.66 -19.21 25.96 23.81
Lipper Flexible Portfolio Fund Total Return Index - -1.60 7.48 13.37 -5.15 18.08 12.47 12.44 -13.73 13.34 10.57
GROWTH
Investor Shares BUFGX 2.64 4.86 22.81 0.51 31.91 28.29 21.69 -31.13 42.64 25.19
Institutional Shares BIIGX 2.80 5.02 22.99 0.66 32.11 28.49 21.85 -31.03 42.79 25.33
Russell 3000® Growth Index - 5.09 7.39 29.59 -2.12 35.85 38.26 25.85 -28.97 41.21 23.81
Lipper Large Cap Growth Funds Index - 5.61 0.54 31.85 -0.47 33.56 38.60 22.36 -32.03 42.03 30.73
GROWTH & INCOME
Investor Shares BUFDX 0.13 12.06 18.02 -5.05 27.66 16.64 20.97 -8.75 20.06 20.13
Institutional Shares BUIDX 0.28 12.23 18.20 -4.91 27.85 16.83 21.15 -8.62 20.21 20.34
Russell 1000® Index - 0.92 12.05 21.69 -4.78 31.43 20.96 26.45 -19.13 26.53 24.51
Lipper Equity Income Funds Index - -2.96 14.34 16.43 -6.61 26.38 4.72 24.57 -5.58 10.12 14.12
HIGH YIELD
Investor Shares BUFHX 1.80 6.65 5.98 -2.26 12.32 9.27 5.53 -5.53 11.68 9.72
Institutional Shares BUIHX 1.95 6.81 6.14 -2.12 12.40 9.43 5.69 -5.39 11.85 9.89
ICE BofA High Yield Index - -4.64 17.49 7.48 -2.26 14.41 6.17 5.36 -11.17 13.54 8.27
Lipper High Yield Bond Funds Index - -4.86 14.54 7.53 -2.98 14.29 4.81 5.85 -10.28 12.34 8.03
INTERNATIONAL
Investor Shares BUFIX -0.45 3.19 29.33 -8.85 28.02 19.10 18.21 -21.79 18.33 -1.88
Institutional Shares BUIIX -0.30 3.34 29.53 -8.71 28.20 19.24 18.42 -21.65 18.47 -1.75
FTSE All-World ex US Index - -4.46 5.12 27.47 -13.87 22.20 11.52 8.66 -15.22 16.20 6.13
Lipper International Muti-Cap Growth Index - -1.34 1.70 26.70 -14.94 23.41 12.70 11.32 -17.14 17.53 5.43
MID CAP DISCOVERY
Investor Shares BUFTX 5.64 5.56 25.44 -6.54 31.63 33.81 11.90 -28.67 24.30 5.44
Institutional Shares BUITX 5.80 5.72 25.62 -6.40 31.82 34.03 12.07 -28.57 24.50 5.56
Russell Midcap® Growth Index - -0.20 7.33 25.27 -4.75 35.47 35.59 12.73 -26.72 25.87 22.10
Lipper Mid Cap Growth Funds Index - -0.96 6.27 25.90 -3.53 33.83 35.98 12.22 -29.79 20.33 10.73
MID CAP GROWTH
Investor Shares BUFMX -0.52 5.93 13.66 -7.30 37.98 34.18 14.61 -27.80 26.97 6.79
Institutional Shares BUIMX -0.37 6.08 13.82 -7.16 38.16 34.42 14.73 -27.69 27.18 6.86
Russell Midcap® Growth Index - -0.20 7.33 25.27 -4.75 35.47 35.59 12.73 -26.72 25.87 22.10
Lipper Mid Cap Growth Funds Index - -0.96 6.27 25.90 -3.53 33.83 35.98 12.22 -29.79 20.33 10.73
SMALL CAP GROWTH
Investor Shares BUFSX -4.46 6.22 27.07 -5.78 40.97 66.36 4.85 -30.01 5.45 5.38
Institutional Shares BUISX -4.32 6.37 27.26 -5.64 41.17 66.60 4.97 -29.88 5.57 5.41
Russell 2000® Growth Index - -1.38 11.32 22.17 -9.31 28.48 34.63 2.83 -26.36 18.66 15.15
Lipper Small Cap Growth Funds Index - -1.15 8.19 24.77 -3.93 30.65 37.36 11.22 -26.54 18.36 13.62
Investor Inception Investor Expense Ratio Institutional Inception Institutional Expense Ratio
BLUE CHIP GROWTH 5/19/1995 0.90% 7/1/2019 0.78%
EARLY STAGE GROWTH 5/21/2004 1.39% 7/1/2019 1.36%
FLEXIBLE ALLOCATION 8/12/1994 1.00% 7/1/2019 0.86%
GROWTH 5/19/1995 0.87% 7/1/2019 0.77%
GROWTH & INCOME 12/3/2012 0.92% 7/1/2019 0.79%
HIGH YIELD 5/19/1995 1.02% 7/1/2019 0.87%
INTERNATIONAL 9/28/2007 1.04% 7/1/2019 0.89%
MID CAP DISCOVERY 4/16/2001 0.99% 7/1/2019 0.86%
MID CAP GROWTH 12/17/2001 1.01% 7/1/2019 0.88%
SMALL CAP GROWTH 4/14/1998 0.89% 7/1/2019 0.87%

For performance prior to 7/1/19 (Inception Date of Institutional Class), performance of the Investor Class shares is used and includes expenses not applicable and lower than those of Investor Class shares.

Performance data quoted represents past performance; past performance does not guarantee future results. The investment return and principal value of an investment will fluctuate so that an investor’s shares, when redeemed, may be worth more or less than their original cost. Current performance may be lower or higher than the performance quoted. Performance is annualized for periods greater than 1 year.

MORNINGSTAR RATINGS & PERCENTILE RANKINGS

As of 11/30/2025 TICKER CATEGORY OVERALL 3YR 5YR 10YR
BLUE CHIP GROWTH BUFEX Large Growth
_
50% of 1009 funds
28% of 943 funds
47% of 755 funds
EARLY STAGE GROWTH BUFOX Small Growth
_
96% of 524 funds
88% of 502 funds
75% of 394 funds
FLEXIBLE ALLOCATION BUFBX Large Value
_
89% of 1053 funds
40% of 992 funds
87% of 822 funds
GROWTH BUFGX Large Growth
_
61% of 1009 funds
55% of 943 funds
72% of 755 funds
GROWTH & INCOME BUFDX Large Blend
_
82% of 1211 funds
71% of 1121 funds
73% of 875 funds
HIGH YIELD BUFHX High Yield Bond
_
64% of 581 funds
14% of 543 funds
36% of 437 funds
INTERNATIONAL BUFIX Foreign Large Growth
_
81% of 371 funds
45% of 338 funds
27% of 221 funds
MID CAP DISCOVERY BUFTX Mid-Cap Growth
_
85% of 470 funds
79% of 442 funds
86% of 367 funds
MID CAP GROWTH BUFMX Mid-Cap Growth
_
80% of 470 funds
69% of 442 funds
88% of 367 funds
SMALL CAP GROWTH BUFSX Small Growth
_
99% of 524 funds
93% of 502 funds
65% of 394 funds

Ratings & Rankings may vary for other share classes.

READY TO INVEST?

Open a new account or add to your current investment directly with us using the button below. Or, if you have a Financial Advisor or online brokerage account, they’ll be happy to help you add one or more Buffalo Funds to your account.

Questions? We’d be happy to answer them. Just call us at (800) 492-8332 or use the Chat button during business hours.

DIVIDENDS & DISTRIBUTIONS

Please note, the table will display information for the past rolling 2 years. If you need historical distribution information, please contact us.

There is no guarantee the Funds will pay distributions in the future and distributions, if any, may be less than the current distribution. 

BUFFALO FUNDS IS PROUD to be the OFFICIAL INVESTMENT SERVICES PARTNER OF SPORTING KANSAS CITY