BFOCX vs. BRK-B

Last updated Apr 2, 2026

Compare and contrast key facts about Berkshire Focus Fund (BFOCX) and Berkshire Hathaway Inc. (BRK-B).

BFOCX is managed by Berkshire. It was launched on Jun 30, 1997.

Performance

BFOCX vs. BRK-B - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Berkshire Focus Fund (BFOCX) and Berkshire Hathaway Inc. (BRK-B). The values are adjusted to include any dividend payments, if applicable.

BFOCX vs. BRK-B - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BFOCX Berkshire Focus Fund	-1.11%	28.67%	59.16%	50.20%	-65.06%	-1.79%	90.81%	40.56%	10.04%	44.10%
BRK-B Berkshire Hathaway Inc.	-4.80%	10.89%	27.09%	15.46%	3.31%	28.95%	2.37%	10.93%	3.01%	21.62%

Returns By Period

In the year-to-date period, BFOCX achieves a -1.11% return, which is significantly higher than BRK-B's -4.80% return. Over the past 10 years, BFOCX has outperformed BRK-B with an annualized return of 16.87%, while BRK-B has yielded a comparatively lower 12.78% annualized return.

BFOCX

• 1D: 6.92%
• 1M: -1.41%
• YTD: -1.11%
• 6M: -6.40%
• 1Y: 56.04%
• 3Y*: 35.46%
• 5Y*: 1.76%
• 10Y*: 16.87%

BRK-B

• 1D: -0.15%
• 1M: -0.35%
• YTD: -4.80%
• 6M: -3.95%
• 1Y: -10.22%
• 3Y*: 15.72%
• 5Y*: 13.13%
• 10Y*: 12.78%

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

Return for Risk

BFOCX vs. BRK-B — Risk / Return Rank

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

BFOCX

BFOCX Risk / Return Rank: 80
BFOCX Sharpe Ratio Rank: 76
BFOCX Sortino Ratio Rank: 76
BFOCX Omega Ratio Rank: 69
BFOCX Calmar Ratio Rank: 94
BFOCX Martin Ratio Rank: 85

BRK-B

BRK-B Risk / Return Rank: 17
BRK-B Sharpe Ratio Rank: 16
BRK-B Sortino Ratio Rank: 16
BRK-B Omega Ratio Rank: 16
BRK-B Calmar Ratio Rank: 17
BRK-B Martin Ratio Rank: 19

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. BRK-B - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Berkshire Focus Fund (BFOCX) and Berkshire Hathaway Inc. (BRK-B). 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.

	BFOCX	BRK-B	Difference
Sharpe ratio Return per unit of total volatility	1.40	-0.56	+1.96
Sortino ratio Return per unit of downside risk	1.96	-0.65	+2.60
Omega ratio Gain probability vs. loss probability	1.27	0.91	+0.36
Calmar ratio Return relative to maximum drawdown	3.21	-0.68	+3.89
Martin ratio Return relative to average drawdown	9.03	-1.16	+10.20
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BFOCX vs. BRK-B - Sharpe Ratio Comparison

The current BFOCX Sharpe Ratio is 1.40, which is higher than the BRK-B Sharpe Ratio of -0.56. The chart below compares the historical Sharpe Ratios of BFOCX and BRK-B, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	BFOCX	BRK-B	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.40	-0.56	+1.96
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.00	0.77	-0.77
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.02	0.66	-0.64
Sharpe Ratio (All Time) Calculated using the full available price history	0.02	0.48	-0.46

Correlation

The correlation between BFOCX and BRK-B is 0.29, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

BFOCX vs. BRK-B - Dividend Comparison

Neither BFOCX nor BRK-B has paid dividends to shareholders.

	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%
BRK-B Berkshire Hathaway Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Drawdowns

BFOCX vs. BRK-B - Drawdown Comparison

The maximum BFOCX drawdown since its inception was -97.42%, which is greater than BRK-B's maximum drawdown of -53.86%. Use the drawdown chart below to compare losses from any high point for BFOCX and BRK-B.

Drawdown Indicators

	BFOCX	BRK-B	Difference
Max Drawdown Largest peak-to-trough decline	-97.42%	-53.86%	-43.56%
Max Drawdown (1Y) Largest decline over 1 year	-17.75%	-14.95%	-2.80%
Max Drawdown (5Y) Largest decline over 5 years	-97.42%	-26.58%	-70.84%
Max Drawdown (10Y) Largest decline over 10 years	-97.42%	-29.57%	-67.85%
Current Drawdown Current decline from peak	-95.22%	-11.36%	-83.86%
Average Drawdown Average peak-to-trough decline	-61.72%	-11.07%	-50.65%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.30%	8.72%	-2.42%

Volatility

BFOCX vs. BRK-B - Volatility Comparison

Berkshire Focus Fund (BFOCX) has a higher volatility of 16.76% compared to Berkshire Hathaway Inc. (BRK-B) at 4.33%. This indicates that BFOCX's price experiences larger fluctuations and is considered to be riskier than BRK-B based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BFOCX	BRK-B	Difference
Volatility (1M) Calculated over the trailing 1-month period	16.76%	4.33%	+12.43%
Volatility (6M) Calculated over the trailing 6-month period	29.67%	11.14%	+18.53%
Volatility (1Y) Calculated over the trailing 1-year period	42.19%	18.30%	+23.89%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1,099.58%	17.20%	+1,082.38%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	777.66%	19.45%	+758.21%