BRK-B vs. FSCSX

Last updated Jun 13, 2026

BRK-B (Berkshire Hathaway Inc.) is a stock, while FSCSX (Fidelity Select Software & IT Services Portfolio) is Technology Equities fund actively managed by Fidelity. Over the past 10 years, BRK-B returned 13.22%/yr vs 16.09%/yr for FSCSX. At a 0.38 correlation, their price movements are largely independent.

Performance

BRK-B vs. FSCSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Berkshire Hathaway Inc. (BRK-B) and Fidelity Select Software & IT Services Portfolio (FSCSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BRK-B achieves a -2.67% return, which is significantly higher than FSCSX's -13.54% return. Over the past 10 years, BRK-B has underperformed FSCSX with an annualized return of 13.22%, while FSCSX has yielded a comparatively higher 16.09% annualized return.

BRK-B

• 1D: 0.71%
• 1M: 1.07%
• YTD: -2.67%
• 6M: -2.06%
• 1Y: 0.35%
• 3Y*: 13.30%
• 5Y*: 11.27%
• 10Y*: 13.22%

FSCSX

• 1D: -0.35%
• 1M: 2.79%
• YTD: -13.54%
• 6M: -13.86%
• 1Y: -10.77%
• 3Y*: 9.63%
• 5Y*: 5.10%
• 10Y*: 16.09%

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

BRK-B vs. FSCSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BRK-B Berkshire Hathaway Inc.	-2.67%	10.89%	27.09%	15.46%	3.31%	28.95%	2.37%	10.93%	3.01%	21.62%
FSCSX Fidelity Select Software & IT Services Portfolio	-13.54%	6.96%	19.66%	51.72%	-29.13%	18.13%	45.55%	38.99%	4.08%	38.60%

Correlation

The correlation between BRK-B and FSCSX is -0.03, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.03
Correlation (3Y) Calculated over the trailing 3-year period	0.18
Correlation (5Y) Calculated over the trailing 5-year period	0.33
Correlation (10Y) Calculated over the trailing 10-year period	0.40
Correlation (All Time) Calculated using the full available price history since May 9, 1996	0.38

The correlation between BRK-B and FSCSX shifts across timeframes, from -0.03 (1 year) to 0.40 (10 years), reflecting how their relationship changes across market environments.

Return for Risk

BRK-B vs. FSCSX — Risk / Return Rank

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

BRK-B

BRK-B Risk / Return Rank: 39
BRK-B Sharpe Ratio Rank: 42
BRK-B Sortino Ratio Rank: 34
BRK-B Omega Ratio Rank: 33
BRK-B Calmar Ratio Rank: 42
BRK-B Martin Ratio Rank: 42

FSCSX

FSCSX Risk / Return Rank: 2
FSCSX Sharpe Ratio Rank: 2
FSCSX Sortino Ratio Rank: 2
FSCSX Omega Ratio Rank: 2
FSCSX Calmar Ratio Rank: 2
FSCSX Martin Ratio Rank: 2

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.

BRK-B vs. FSCSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Berkshire Hathaway Inc. (BRK-B) and Fidelity Select Software & IT Services Portfolio (FSCSX). 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.

	BRK-B	FSCSX	Difference
Sharpe ratio: Return per unit of total volatility	-0.02	-0.42	+0.41
Sortino ratio: Return per unit of downside risk	0.08	-0.42	+0.50
Omega ratio: Gain probability vs. loss probability	1.01	0.95	+0.06
Calmar ratio: Return relative to maximum drawdown	-0.02	-0.35	+0.33
Martin ratio: Return relative to average drawdown	-0.05	-0.78	+0.73

BRK-B vs. FSCSX - Sharpe Ratio Comparison

The current BRK-B Sharpe Ratio is -0.02, which is higher than the FSCSX Sharpe Ratio of -0.42. The chart below compares the historical Sharpe Ratios of BRK-B and FSCSX, 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

BRK-B vs. FSCSX - Drawdown Comparison

The maximum BRK-B drawdown since its inception was -53.86%, smaller than the maximum FSCSX drawdown of -64.66%. Use the drawdown chart below to compare losses from any high point for BRK-B and FSCSX.

Drawdown Indicators

	BRK-B	FSCSX	Difference
Max Drawdown Largest peak-to-trough decline	-53.86%	-64.66%	+10.80%
Max Drawdown (1Y) Largest decline over 1 year	-9.42%	-34.24%	+24.82%
Max Drawdown (3Y) Largest decline over 3 years	-14.95%	-34.24%	+19.29%
Max Drawdown (5Y) Largest decline over 5 years	-26.58%	-37.06%	+10.48%
Max Drawdown (10Y) Largest decline over 10 years	-29.57%	-37.06%	+7.49%
Current Drawdown Current decline from peak	-9.36%	-18.48%	+9.12%
Average Drawdown Average peak-to-trough decline	-11.07%	-13.22%	+2.15%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.53%	15.37%	-10.84%

Volatility

BRK-B vs. FSCSX - Volatility Comparison

The current volatility for Berkshire Hathaway Inc. (BRK-B) is 3.95%, while Fidelity Select Software & IT Services Portfolio (FSCSX) has a volatility of 12.57%. This indicates that BRK-B experiences smaller price fluctuations and is considered to be less risky than FSCSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BRK-B	FSCSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.95%	12.57%	-8.62%
Volatility (6M) Calculated over the trailing 6-month period	10.78%	25.44%	-14.66%
Volatility (1Y) Calculated over the trailing 1-year period	14.38%	28.43%	-14.05%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.12%	26.51%	-9.39%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.44%	24.63%	-5.19%

Dividends

BRK-B vs. FSCSX - Dividend Comparison

BRK-B has not paid dividends to shareholders, while FSCSX's dividend yield for the trailing twelve months is around 23.23%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
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%
FSCSX Fidelity Select Software & IT Services Portfolio	23.23%	15.40%	19.17%	7.72%	9.06%	6.54%	5.10%	12.70%	6.20%	7.15%	3.98%	5.22%

Frequently Asked Questions

Can I hold both BRK-B and FSCSX in my portfolio?

BRK-B and FSCSX have a correlation of -0.03, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BRK-B or FSCSX?

FSCSX has higher volatility (12.57%) compared to BRK-B (3.95%). In terms of maximum drawdown, BRK-B dropped -53.86% vs FSCSX's -64.66%.

Which has better risk-adjusted returns?

BRK-B currently has the higher Sharpe Ratio (-0.02 vs -0.42), 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.