BFOCX vs. FIKHX

Last updated Apr 2, 2026

Compare and contrast key facts about Berkshire Focus Fund (BFOCX) and Fidelity Advisor Technology Fund Class Z (FIKHX).

BFOCX is managed by Berkshire. It was launched on Jun 30, 1997. FIKHX is managed by Fidelity. It was launched on Oct 2, 2018.

Performance

BFOCX vs. FIKHX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Berkshire Focus Fund (BFOCX) and Fidelity Advisor Technology Fund Class Z (FIKHX). The values are adjusted to include any dividend payments, if applicable.

BFOCX vs. FIKHX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
BFOCX Berkshire Focus Fund	-1.11%	28.67%	59.16%	50.20%	-65.06%	-1.79%	90.81%	40.56%	-12.69%
FIKHX Fidelity Advisor Technology Fund Class Z	0.00%	24.77%	35.52%	59.89%	-35.93%	27.74%	64.56%	51.18%	-17.39%

Returns By Period

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%

FIKHX

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

BFOCX vs. FIKHX - Expense Ratio Comparison

BFOCX has a 1.94% expense ratio, which is higher than FIKHX's 0.59% expense ratio.

BFOCX

Berkshire Focus Fund

FIKHX

Fidelity Advisor Technology Fund Class Z

Return for Risk

BFOCX vs. FIKHX — 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

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. FIKHX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Berkshire Focus Fund (BFOCX) and Fidelity Advisor Technology Fund Class Z (FIKHX). 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	FIKHX	Difference
Sharpe ratio Return per unit of total volatility	1.40	—	—
Sortino ratio Return per unit of downside risk	1.96	—	—
Omega ratio Gain probability vs. loss probability	1.27	—	—
Calmar ratio Return relative to maximum drawdown	3.21	—	—
Martin ratio Return relative to average drawdown	9.03	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	BFOCX	FIKHX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.40	—	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.00	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.02	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.02	—	—

Correlation

The correlation between BFOCX and FIKHX is 0.84, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

BFOCX vs. FIKHX - Dividend Comparison

BFOCX has not paid dividends to shareholders, while FIKHX's dividend yield for the trailing twelve months is around 9.85%.

	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%
FIKHX Fidelity Advisor Technology Fund Class Z	9.85%	9.85%	7.33%	3.86%	3.32%	11.52%	7.42%	2.64%	22.38%	0.00%	0.00%	0.00%

Drawdowns

Drawdown Indicators

	BFOCX	FIKHX	Difference
Max Drawdown Largest peak-to-trough decline	-97.42%	—	—
Max Drawdown (1Y) Largest decline over 1 year	-17.75%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-97.42%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-97.42%	—	—
Current Drawdown Current decline from peak	-95.22%	—	—
Average Drawdown Average peak-to-trough decline	-61.72%	—	—
Ulcer Index Depth and duration of drawdowns from previous peaks	6.30%	—	—

Volatility

Volatility by Period

	BFOCX	FIKHX	Difference
Volatility (1M) Calculated over the trailing 1-month period	16.76%	—	—
Volatility (6M) Calculated over the trailing 6-month period	29.67%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	42.19%	—	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1,099.58%	—	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	777.66%	—	—