BFOCX vs. VTCAX

Last updated Jun 25, 2026

BFOCX (Berkshire Focus Fund) and VTCAX (Vanguard Communication Services Index Fund Admiral Shares) are both Technology Equities funds. Over the past 10 years, BFOCX returned 23.09%/yr vs 8.46%/yr for VTCAX. A 0.62 correlation means they provide meaningful diversification when combined. BFOCX charges 1.94%/yr vs 0.10%/yr for VTCAX.

Performance

BFOCX vs. VTCAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Berkshire Focus Fund (BFOCX) and Vanguard Communication Services Index Fund Admiral Shares (VTCAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BFOCX achieves a 55.82% return, which is significantly higher than VTCAX's -5.31% return. Over the past 10 years, BFOCX has outperformed VTCAX with an annualized return of 23.09%, while VTCAX has yielded a comparatively lower 8.46% annualized return.

BFOCX

• 1D: -8.12%
• 1M: 6.16%
• YTD: 55.82%
• 6M: 51.12%
• 1Y: 79.70%
• 3Y*: 49.98%
• 5Y*: 10.52%
• 10Y*: 23.09%

VTCAX

• 1D: 0.27%
• 1M: -6.44%
• YTD: -5.31%
• 6M: -5.75%
• 1Y: 11.28%
• 3Y*: 21.84%
• 5Y*: 6.08%
• 10Y*: 8.46%

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

BFOCX vs. VTCAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BFOCX Berkshire Focus Fund	55.82%	28.67%	59.16%	50.20%	-65.06%	-1.79%	90.81%	40.56%	10.04%	44.10%
VTCAX Vanguard Communication Services Index Fund Admiral Shares	-5.31%	26.28%	33.10%	44.73%	-38.78%	14.09%	28.95%	28.03%	-16.51%	-5.57%

Correlation

The correlation between BFOCX and VTCAX is 0.40, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.40
Correlation (3Y) Calculated over the trailing 3-year period	0.61
Correlation (5Y) Calculated over the trailing 5-year period	0.70
Correlation (10Y) Calculated over the trailing 10-year period	0.64
Correlation (All Time) Calculated using the full available price history since Sep 29, 2004	0.62

Over the past year, the correlation between BFOCX and VTCAX has dropped to 0.40 - well below their long-term average of 0.62, suggesting their price drivers have been diverging.

Return for Risk

BFOCX vs. VTCAX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

BFOCX

BFOCX Risk / Return Rank: 64
BFOCX Sharpe Ratio Rank: 60
BFOCX Sortino Ratio Rank: 41
BFOCX Omega Ratio Rank: 46
BFOCX Calmar Ratio Rank: 94
BFOCX Martin Ratio Rank: 80

VTCAX

VTCAX Risk / Return Rank: 12
VTCAX Sharpe Ratio Rank: 11
VTCAX Sortino Ratio Rank: 12
VTCAX Omega Ratio Rank: 11
VTCAX Calmar Ratio Rank: 11
VTCAX Martin Ratio Rank: 13

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.

BFOCX vs. VTCAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Berkshire Focus Fund (BFOCX) and Vanguard Communication Services Index Fund Admiral Shares (VTCAX). 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.

	BFOCX	VTCAX	Difference
Sharpe ratio: Return per unit of total volatility	2.06	0.82	+1.23
Sortino ratio: Return per unit of downside risk	2.44	1.27	+1.17
Omega ratio: Gain probability vs. loss probability	1.34	1.15	+0.18
Calmar ratio: Return relative to maximum drawdown	5.01	0.96	+4.05
Martin ratio: Return relative to average drawdown	13.72	3.37	+10.35

BFOCX vs. VTCAX - Sharpe Ratio Comparison

The current BFOCX Sharpe Ratio is 2.06, which is higher than the VTCAX Sharpe Ratio of 0.82. The chart below compares the historical Sharpe Ratios of BFOCX and VTCAX, 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

BFOCX vs. VTCAX - Drawdown Comparison

The maximum BFOCX drawdown since its inception was -95.80%, which is greater than VTCAX's maximum drawdown of -57.11%. Use the drawdown chart below to compare losses from any high point for BFOCX and VTCAX.

Drawdown Indicators

	BFOCX	VTCAX	Difference
Max Drawdown Largest peak-to-trough decline	-95.80%	-57.11%	-38.69%
Max Drawdown (1Y) Largest decline over 1 year	-17.22%	-13.56%	-3.66%
Max Drawdown (3Y) Largest decline over 3 years	-40.55%	-21.19%	-19.36%
Max Drawdown (5Y) Largest decline over 5 years	-72.53%	-46.58%	-25.95%
Max Drawdown (10Y) Largest decline over 10 years	-72.53%	-46.58%	-25.95%
Current Drawdown Current decline from peak	-8.12%	-8.53%	+0.41%
Average Drawdown Average peak-to-trough decline	-58.07%	-11.87%	-46.20%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.28%	3.84%	+2.44%

Volatility

BFOCX vs. VTCAX - Volatility Comparison

Berkshire Focus Fund (BFOCX) has a higher volatility of 22.24% compared to Vanguard Communication Services Index Fund Admiral Shares (VTCAX) at 5.50%. This indicates that BFOCX's price experiences larger fluctuations and is considered to be riskier than VTCAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BFOCX	VTCAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	22.24%	5.50%	+16.74%
Volatility (6M) Calculated over the trailing 6-month period	34.99%	11.89%	+23.10%
Volatility (1Y) Calculated over the trailing 1-year period	41.93%	15.77%	+26.16%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	44.46%	21.33%	+23.13%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	38.10%	21.04%	+17.06%

BFOCX vs. VTCAX - Expense Ratio Comparison

BFOCX has a 1.94% expense ratio, which is higher than VTCAX's 0.10% expense ratio.

Dividends

BFOCX vs. VTCAX - Dividend Comparison

BFOCX has not paid dividends to shareholders, while VTCAX's dividend yield for the trailing twelve months is around 1.04%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BFOCX Berkshire Focus Fund	0.00%	0.00%	0.00%	0.00%	0.00%	19.54%	21.20%	14.20%	5.70%	21.73%	0.14%	9.52%
VTCAX Vanguard Communication Services Index Fund Admiral Shares	1.04%	0.95%	1.06%	1.04%	0.88%	1.20%	0.73%	0.89%	2.77%	3.84%	2.68%	3.55%

Frequently Asked Questions

Can I hold both BFOCX and VTCAX in my portfolio?

BFOCX and VTCAX have a correlation of 0.40, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BFOCX or VTCAX?

BFOCX has higher volatility (22.24%) compared to VTCAX (5.50%). In terms of maximum drawdown, BFOCX dropped -95.80% vs VTCAX's -57.11%.

Which has better risk-adjusted returns?

BFOCX currently has the higher Sharpe Ratio (2.06 vs 0.82), 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.