BRK-B vs. BDMIX

Last updated Jun 9, 2026

BRK-B (Berkshire Hathaway Inc.) is a stock, while BDMIX (BlackRock Global Long/Short Equity Fund Class I) is Long-Short fund managed by BlackRock. Over the past 10 years, BRK-B returned 13.14%/yr vs 8.32%/yr for BDMIX. At a 0.07 correlation, their price movements are largely independent.

Performance

BRK-B vs. BDMIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Berkshire Hathaway Inc. (BRK-B) and BlackRock Global Long/Short Equity Fund Class I (BDMIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BRK-B achieves a -3.11% return, which is significantly lower than BDMIX's 11.87% return. Over the past 10 years, BRK-B has outperformed BDMIX with an annualized return of 13.14%, while BDMIX has yielded a comparatively lower 8.32% annualized return.

BRK-B

• 1D: -0.23%
• 1M: 2.32%
• YTD: -3.11%
• 6M: -2.06%
• 1Y: -1.32%
• 3Y*: 13.25%
• 5Y*: 11.03%
• 10Y*: 13.14%

BDMIX

• 1D: -1.21%
• 1M: 3.62%
• YTD: 11.87%
• 6M: 14.41%
• 1Y: 21.04%
• 3Y*: 21.66%
• 5Y*: 12.77%
• 10Y*: 8.32%

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

BRK-B vs. BDMIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BRK-B Berkshire Hathaway Inc.	-3.11%	10.89%	27.09%	15.46%	3.31%	28.95%	2.37%	10.93%	3.01%	21.62%
BDMIX BlackRock Global Long/Short Equity Fund Class I	11.87%	18.30%	21.39%	14.55%	1.80%	3.34%	0.29%	-0.85%	2.20%	12.85%

Correlation

The correlation between BRK-B and BDMIX 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	0.03
Correlation (5Y) Calculated over the trailing 5-year period	0.03
Correlation (10Y) Calculated over the trailing 10-year period	0.03
Correlation (All Time) Calculated using the full available price history since Jan 2, 2013	0.07

Return for Risk

BRK-B vs. BDMIX — 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: 35
BRK-B Sharpe Ratio Rank: 38
BRK-B Sortino Ratio Rank: 30
BRK-B Omega Ratio Rank: 30
BRK-B Calmar Ratio Rank: 38
BRK-B Martin Ratio Rank: 37

BDMIX

BDMIX Risk / Return Rank: 91
BDMIX Sharpe Ratio Rank: 92
BDMIX Sortino Ratio Rank: 92
BDMIX Omega Ratio Rank: 86
BDMIX Calmar Ratio Rank: 96
BDMIX Martin Ratio Rank: 90

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. BDMIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Berkshire Hathaway Inc. (BRK-B) and BlackRock Global Long/Short Equity Fund Class I (BDMIX). 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.

	BRK-B	BDMIX	Difference
Sharpe ratio: Return per unit of total volatility	-0.09	3.05	-3.15
Sortino ratio: Return per unit of downside risk	-0.03	4.48	-4.51
Omega ratio: Gain probability vs. loss probability	1.00	1.58	-0.58
Calmar ratio: Return relative to maximum drawdown	-0.14	6.00	-6.14
Martin ratio: Return relative to average drawdown	-0.30	16.98	-17.27
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BRK-B vs. BDMIX - Sharpe Ratio Comparison

The current BRK-B Sharpe Ratio is -0.09, which is lower than the BDMIX Sharpe Ratio of 3.05. The chart below compares the historical Sharpe Ratios of BRK-B and BDMIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	BRK-B	BDMIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.09	3.05	-3.15
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.65	1.96	-1.31
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.68	1.43	-0.75
Sharpe Ratio (All Time) Calculated using the full available price history	0.48	1.23	-0.74

Drawdowns

BRK-B vs. BDMIX - Drawdown Comparison

The maximum BRK-B drawdown since its inception was -53.86%, which is greater than BDMIX's maximum drawdown of -11.89%. Use the drawdown chart below to compare losses from any high point for BRK-B and BDMIX.

Drawdown Indicators

	BRK-B	BDMIX	Difference
Max Drawdown Largest peak-to-trough decline	-53.86%	-11.89%	-41.97%
Max Drawdown (1Y) Largest decline over 1 year	-9.42%	-3.24%	-6.18%
Max Drawdown (3Y) Largest decline over 3 years	-14.95%	-4.07%	-10.88%
Max Drawdown (5Y) Largest decline over 5 years	-26.58%	-6.07%	-20.51%
Max Drawdown (10Y) Largest decline over 10 years	-29.57%	-9.44%	-20.13%
Current Drawdown Current decline from peak	-9.78%	-1.21%	-8.57%
Average Drawdown Average peak-to-trough decline	-11.07%	-2.68%	-8.39%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.49%	1.25%	+3.24%

Volatility

BRK-B vs. BDMIX - Volatility Comparison

Berkshire Hathaway Inc. (BRK-B) has a higher volatility of 3.98% compared to BlackRock Global Long/Short Equity Fund Class I (BDMIX) at 2.33%. This indicates that BRK-B's price experiences larger fluctuations and is considered to be riskier than BDMIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BRK-B	BDMIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.98%	2.33%	+1.65%
Volatility (6M) Calculated over the trailing 6-month period	10.87%	4.60%	+6.27%
Volatility (1Y) Calculated over the trailing 1-year period	14.38%	6.95%	+7.43%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.13%	6.55%	+10.58%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.44%	5.83%	+13.61%

Dividends

BRK-B vs. BDMIX - Dividend Comparison

BRK-B has not paid dividends to shareholders, while BDMIX's dividend yield for the trailing twelve months is around 7.99%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BDMIX BlackRock Global Long/Short Equity Fund Class I	7.99%	8.94%	13.26%	7.42%	0.00%	1.23%	0.30%	6.78%	0.94%	0.00%	0.00%	1.86%
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%

Frequently Asked Questions

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

BRK-B and BDMIX 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 BDMIX?

BRK-B has higher volatility (3.98%) compared to BDMIX (2.33%). In terms of maximum drawdown, BRK-B dropped -53.86% vs BDMIX's -11.89%.

Which has better risk-adjusted returns?

BDMIX currently has the higher Sharpe Ratio (3.05 vs -0.09), 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.