BUFGX vs. VTMGX

Last updated Aug 5, 2026

BUFGX (Buffalo Growth Fund) and VTMGX (Vanguard Developed Markets Index Fund Admiral Shares) are both mutual funds - BUFGX is a Large Cap Growth Equities fund managed by Buffalo, while VTMGX is a Foreign Large Cap Equities fund tracking the FTSE Developed All Cap ex US Index. Over the past 10 years, BUFGX returned 12.79%/yr vs 10.05%/yr for VTMGX. Their 0.67 correlation means they have sometimes moved together and sometimes differently. BUFGX charges 0.92%/yr vs 0.07%/yr for VTMGX.

Performance

BUFGX vs. VTMGX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Buffalo Growth Fund (BUFGX) and Vanguard Developed Markets Index Fund Admiral Shares (VTMGX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BUFGX achieves a 0.75% return, which is significantly lower than VTMGX's 14.79% return. Over the past 10 years, BUFGX has outperformed VTMGX with an annualized return of 12.79%, while VTMGX has yielded a comparatively lower 10.05% annualized return.

BUFGX

• 1D: 2.25%
• 1M: 2.58%
• 6M: 5.16%
• YTD: 0.75%
• 1Y: 6.32%
• 3Y*: 15.72%
• 5Y*: 8.08%
• 10Y*: 12.79%
• ALL TIME*: 10.65%

VTMGX

• 1D: 0.53%
• 1M: 0.93%
• 6M: 7.55%
• YTD: 14.79%
• 1Y: 29.04%
• 3Y*: 19.16%
• 5Y*: 9.71%
• 10Y*: 10.05%
• ALL TIME*: 5.84%

*Multi-year figures are annualized to reflect compound growth (CAGR)

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
VTMGX Vanguard Developed Markets Index Fund Admiral Shares	$0.00	$0.00	$0.00

BUFGX vs. VTMGX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BUFGX Buffalo Growth Fund	0.75%	13.95%	25.13%	42.67%	-31.19%	21.52%	28.29%	31.89%	0.69%	22.76%
VTMGX Vanguard Developed Markets Index Fund Admiral Shares	14.79%	35.17%	3.03%	17.65%	-15.33%	11.39%	10.25%	22.04%	-14.48%	26.39%

Correlation

The correlation between BUFGX and VTMGX is 0.63, 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.	0.63
Correlation (3Y) Balances recent behavior with more history.	0.61
Correlation (5Y) Shows whether the relationship held over a longer period.	0.68
Correlation (10Y) Provides a long-term view across more market conditions.	0.70
Correlation (All Time) Calculated using the full available price history since Aug 17, 1999	0.67

The correlation between BUFGX and VTMGX has been stable across timeframes, ranging from 0.61 to 0.70 - a consistent structural relationship.

Return for Risk

BUFGX vs. VTMGX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

BUFGX

BUFGX Risk / Return Rank: 11
BUFGX Sharpe Ratio Rank: 11
BUFGX Sortino Ratio Rank: 12
BUFGX Omega Ratio Rank: 11
BUFGX Calmar Ratio Rank: 9
BUFGX Martin Ratio Rank: 10

VTMGX

VTMGX Risk / Return Rank: 74
VTMGX Sharpe Ratio Rank: 76
VTMGX Sortino Ratio Rank: 71
VTMGX Omega Ratio Rank: 72
VTMGX Calmar Ratio Rank: 77
VTMGX Martin Ratio Rank: 75

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

BUFGX vs. VTMGX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Buffalo Growth Fund (BUFGX) and Vanguard Developed Markets Index Fund Admiral Shares (VTMGX). 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.

	BUFGX	VTMGX	Difference
Sharpe ratio: Return per unit of total volatility	0.51	1.85	-1.34
Sortino ratio: Return per unit of downside risk	0.81	2.52	-1.71
Omega ratio: Gain probability vs. loss probability	1.10	1.34	-0.24
Calmar ratio: Return relative to maximum drawdown	0.48	2.65	-2.18
Martin ratio: Return relative to average drawdown	1.50	9.87	-8.37

BUFGX vs. VTMGX - Sharpe Ratio Comparison

The current BUFGX Sharpe Ratio is 0.51, which is lower than the VTMGX Sharpe Ratio of 1.85. The chart below compares the historical Sharpe Ratios of BUFGX and VTMGX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

BUFGX vs. VTMGX - Drawdown Comparison

The maximum BUFGX drawdown since its inception was -50.17%, smaller than the maximum VTMGX drawdown of -60.58%. Use the drawdown chart below to compare losses from any high point for BUFGX and VTMGX.

Drawdown Indicators

	BUFGX	VTMGX	Difference
Max Drawdown Largest peak-to-trough decline	-50.17%	-60.58%	+10.41%
Max Drawdown (1Y) Largest decline over 1 year	-17.63%	-11.67%	-5.96%
Max Drawdown (3Y) Largest decline over 3 years	-21.93%	-13.18%	-8.75%
Max Drawdown (5Y) Largest decline over 5 years	-35.68%	-29.71%	-5.97%
Max Drawdown (10Y) Largest decline over 10 years	-35.68%	-35.68%	0.00%
Current Drawdown Current decline from peak	-2.23%	-1.51%	-0.72%
Average Drawdown Average peak-to-trough decline	-8.95%	-14.58%	+5.63%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.63%	3.13%	+2.50%

Volatility

BUFGX vs. VTMGX - Volatility Comparison

Buffalo Growth Fund (BUFGX) and Vanguard Developed Markets Index Fund Admiral Shares (VTMGX) have volatilities of 5.52% and 5.52%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BUFGX	VTMGX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.52%	5.52%	0.00%
Volatility (6M) Calculated over the trailing 6-month period	13.47%	14.72%	-1.25%
Volatility (1Y) Calculated over the trailing 1-year period	16.52%	16.79%	-0.27%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.61%	16.20%	+5.41%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.80%	16.41%	+4.39%

BUFGX vs. VTMGX - Expense Ratio Comparison

BUFGX has a 0.92% expense ratio, which is higher than VTMGX's 0.07% expense ratio.

Dividends

BUFGX vs. VTMGX - Dividend Comparison

BUFGX's dividend yield for the trailing twelve months is around 6.07%, more than VTMGX's 2.53% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BUFGX Buffalo Growth Fund	6.07%	6.12%	8.55%	5.55%	4.77%	9.90%	4.97%	13.60%	34.64%	20.49%	0.00%	18.46%
VTMGX Vanguard Developed Markets Index Fund Admiral Shares	2.53%	3.20%	3.34%	3.14%	2.88%	3.14%	2.02%	3.03%	3.33%	2.77%	3.06%	2.91%

Frequently Asked Questions

Can I hold both BUFGX and VTMGX in my portfolio?

BUFGX and VTMGX have a correlation of 0.63, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BUFGX or VTMGX?

VTMGX has higher volatility (5.52%) compared to BUFGX (5.52%). In terms of maximum drawdown, BUFGX dropped -50.17% vs VTMGX's -60.58%.

Which has better risk-adjusted returns?

VTMGX currently has the higher Sharpe Ratio (1.85 vs 0.51), 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.