LIWKX vs. BRK-B

Last updated Jun 5, 2026

LIWKX (BlackRock LifePath Index 2065 Fund Class K) is Target Retirement Date fund tracking the BlackRock LifePath Index 2065 Custom Benchmark (USD), while BRK-B (Berkshire Hathaway Inc.) is a stock. Over the past 5 years, LIWKX returned 10.34%/yr vs 10.35%/yr for BRK-B. A 0.57 correlation means they provide meaningful diversification when combined.

Performance

LIWKX vs. BRK-B - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in BlackRock LifePath Index 2065 Fund Class K (LIWKX) and Berkshire Hathaway Inc. (BRK-B). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, LIWKX achieves a 12.23% return, which is significantly higher than BRK-B's -4.78% return.

LIWKX

• 1D: -0.88%
• 1M: 3.66%
• YTD: 12.23%
• 6M: 12.93%
• 1Y: 28.79%
• 3Y*: 19.90%
• 5Y*: 10.34%
• 10Y*: —

BRK-B

• 1D: 0.69%
• 1M: 2.82%
• YTD: -4.78%
• 6M: -4.89%
• 1Y: -2.52%
• 3Y*: 13.36%
• 5Y*: 10.35%
• 10Y*: 12.93%

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

LIWKX vs. BRK-B - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
LIWKX BlackRock LifePath Index 2065 Fund Class K	12.23%	21.71%	14.22%	21.64%	-18.33%	18.87%	15.47%	5.73%
BRK-B Berkshire Hathaway Inc.	-4.78%	10.89%	27.09%	15.46%	3.31%	28.95%	2.37%	6.21%

Correlation

The correlation between LIWKX and BRK-B is 0.13, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.13
Correlation (3Y) Calculated over the trailing 3-year period	0.35
Correlation (5Y) Calculated over the trailing 5-year period	0.52
Correlation (All Time) Calculated using the full available price history since Oct 31, 2019	0.57

Over the past year, the correlation between LIWKX and BRK-B has dropped to 0.13 - well below their long-term average of 0.57, suggesting their price drivers have been diverging.

Return for Risk

LIWKX vs. BRK-B — Risk / Return Rank

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

LIWKX

LIWKX Risk / Return Rank: 64
LIWKX Sharpe Ratio Rank: 63
LIWKX Sortino Ratio Rank: 59
LIWKX Omega Ratio Rank: 58
LIWKX Calmar Ratio Rank: 65
LIWKX Martin Ratio Rank: 73

BRK-B

BRK-B Risk / Return Rank: 31
BRK-B Sharpe Ratio Rank: 34
BRK-B Sortino Ratio Rank: 28
BRK-B Omega Ratio Rank: 27
BRK-B Calmar Ratio Rank: 33
BRK-B Martin Ratio Rank: 32

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.

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

This table presents a comparison of risk-adjusted performance metrics for BlackRock LifePath Index 2065 Fund Class K (LIWKX) 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.

	LIWKX	BRK-B	Difference
Sharpe ratio: Return per unit of total volatility	2.31	-0.18	+2.49
Sortino ratio: Return per unit of downside risk	3.21	-0.15	+3.35
Omega ratio: Gain probability vs. loss probability	1.42	0.98	+0.43
Calmar ratio: Return relative to maximum drawdown	3.07	-0.27	+3.34
Martin ratio: Return relative to average drawdown	13.62	-0.57	+14.19
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

LIWKX vs. BRK-B - Sharpe Ratio Comparison

The current LIWKX Sharpe Ratio is 2.31, which is higher than the BRK-B Sharpe Ratio of -0.18. The chart below compares the historical Sharpe Ratios of LIWKX and BRK-B, 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

	LIWKX	BRK-B	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.31	-0.18	+2.49
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.65	0.61	+0.05
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.67	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.71	0.48	+0.23

Drawdowns

LIWKX vs. BRK-B - Drawdown Comparison

The maximum LIWKX drawdown since its inception was -33.02%, smaller than the maximum BRK-B drawdown of -53.86%. Use the drawdown chart below to compare losses from any high point for LIWKX and BRK-B.

Drawdown Indicators

	LIWKX	BRK-B	Difference
Max Drawdown Largest peak-to-trough decline	-33.02%	-53.86%	+20.84%
Max Drawdown (1Y) Largest decline over 1 year	-9.54%	-9.42%	-0.12%
Max Drawdown (3Y) Largest decline over 3 years	-17.14%	-14.95%	-2.19%
Max Drawdown (5Y) Largest decline over 5 years	-26.41%	-26.58%	+0.17%
Max Drawdown (10Y) Largest decline over 10 years	—	-29.57%	—
Current Drawdown Current decline from peak	-0.88%	-11.33%	+10.45%
Average Drawdown Average peak-to-trough decline	-5.78%	-11.07%	+5.29%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.14%	4.46%	-2.32%

Volatility

LIWKX vs. BRK-B - Volatility Comparison

BlackRock LifePath Index 2065 Fund Class K (LIWKX) has a higher volatility of 3.95% compared to Berkshire Hathaway Inc. (BRK-B) at 3.72%. This indicates that LIWKX'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

	LIWKX	BRK-B	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.95%	3.72%	+0.23%
Volatility (6M) Calculated over the trailing 6-month period	10.18%	10.70%	-0.52%
Volatility (1Y) Calculated over the trailing 1-year period	12.67%	14.32%	-1.65%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.92%	17.11%	-1.19%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.63%	19.43%	-0.80%

Dividends

LIWKX vs. BRK-B - Dividend Comparison

LIWKX's dividend yield for the trailing twelve months is around 1.62%, while BRK-B has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019
BRK-B Berkshire Hathaway Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
LIWKX BlackRock LifePath Index 2065 Fund Class K	1.62%	1.81%	0.00%	2.02%	1.80%	1.81%	1.32%	0.88%

Frequently Asked Questions

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

LIWKX and BRK-B have a correlation of 0.13, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, LIWKX or BRK-B?

LIWKX has higher volatility (3.95%) compared to BRK-B (3.72%). In terms of maximum drawdown, LIWKX dropped -33.02% vs BRK-B's -53.86%.

Which has better risk-adjusted returns?

LIWKX currently has the higher Sharpe Ratio (2.31 vs -0.18), 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.