WITS.AS vs. BRK-A

Last updated Apr 3, 2026

Compare and contrast key facts about iShares MSCI World Information Technology Sector ESG UCITS ETF (WITS.AS) and Berkshire Hathaway Inc (BRK-A).

WITS.AS is a passively managed fund by iShares that tracks the performance of the MSCI World/Information Tech NR USD. It was launched on Oct 16, 2019.

Performance

WITS.AS vs. BRK-A - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares MSCI World Information Technology Sector ESG UCITS ETF (WITS.AS) and Berkshire Hathaway Inc (BRK-A). The values are adjusted to include any dividend payments, if applicable.

WITS.AS vs. BRK-A - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
WITS.AS iShares MSCI World Information Technology Sector ESG UCITS ETF	-8.38%	22.39%	28.01%	60.19%	-33.27%	30.12%	44.49%	12.11%
BRK-A Berkshire Hathaway Inc	-5.10%	10.85%	25.49%	15.77%	4.00%	29.57%	2.42%	7.11%

Returns By Period

In the year-to-date period, WITS.AS achieves a -8.38% return, which is significantly lower than BRK-A's -5.10% return.

WITS.AS

• 1D: -0.33%
• 1M: -1.99%
• YTD: -8.38%
• 6M: -7.09%
• 1Y: 24.26%
• 3Y*: 23.62%
• 5Y*: 14.11%
• 10Y*: —

BRK-A

• 1D: 0.01%
• 1M: -0.66%
• YTD: -5.10%
• 6M: -3.80%
• 1Y: -11.20%
• 3Y*: 15.10%
• 5Y*: 12.91%
• 10Y*: 12.79%

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

Return for Risk

WITS.AS vs. BRK-A — Risk / Return Rank

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

WITS.AS

WITS.AS Risk / Return Rank: 63
WITS.AS Sharpe Ratio Rank: 54
WITS.AS Sortino Ratio Rank: 57
WITS.AS Omega Ratio Rank: 50
WITS.AS Calmar Ratio Rank: 81
WITS.AS Martin Ratio Rank: 72

BRK-A

BRK-A Risk / Return Rank: 14
BRK-A Sharpe Ratio Rank: 13
BRK-A Sortino Ratio Rank: 14
BRK-A Omega Ratio Rank: 13
BRK-A Calmar Ratio Rank: 14
BRK-A Martin Ratio Rank: 16

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.

WITS.AS vs. BRK-A - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares MSCI World Information Technology Sector ESG UCITS ETF (WITS.AS) and Berkshire Hathaway Inc (BRK-A). 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.

	WITS.AS	BRK-A	Difference
Sharpe ratio Return per unit of total volatility	1.05	-0.64	+1.69
Sortino ratio Return per unit of downside risk	1.57	-0.76	+2.33
Omega ratio Gain probability vs. loss probability	1.20	0.90	+0.31
Calmar ratio Return relative to maximum drawdown	2.69	-0.73	+3.42
Martin ratio Return relative to average drawdown	8.62	-1.21	+9.83
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

WITS.AS vs. BRK-A - Sharpe Ratio Comparison

The current WITS.AS Sharpe Ratio is 1.05, which is higher than the BRK-A Sharpe Ratio of -0.64. The chart below compares the historical Sharpe Ratios of WITS.AS and BRK-A, 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

	WITS.AS	BRK-A	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.05	-0.64	+1.69
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.59	0.75	-0.16
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.68	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.81	0.82	-0.01

Correlation

The correlation between WITS.AS and BRK-A is 0.19, 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

WITS.AS vs. BRK-A - Dividend Comparison

WITS.AS's dividend yield for the trailing twelve months is around 0.34%, while BRK-A has not paid dividends to shareholders.

	TTM	2025	2024	2023	2022	2021	2020	2019
WITS.AS iShares MSCI World Information Technology Sector ESG UCITS ETF	0.34%	0.31%	0.38%	0.46%	0.81%	0.41%	0.73%	0.12%
BRK-A Berkshire Hathaway Inc	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Drawdowns

WITS.AS vs. BRK-A - Drawdown Comparison

The maximum WITS.AS drawdown since its inception was -39.08%, smaller than the maximum BRK-A drawdown of -51.47%. Use the drawdown chart below to compare losses from any high point for WITS.AS and BRK-A.

Drawdown Indicators

	WITS.AS	BRK-A	Difference
Max Drawdown Largest peak-to-trough decline	-39.08%	-51.47%	+12.39%
Max Drawdown (1Y) Largest decline over 1 year	-16.07%	-14.43%	-1.64%
Max Drawdown (5Y) Largest decline over 5 years	-39.08%	-25.98%	-13.10%
Max Drawdown (10Y) Largest decline over 10 years	—	-30.43%	—
Current Drawdown Current decline from peak	-12.46%	-11.50%	-0.96%
Average Drawdown Average peak-to-trough decline	-8.67%	-9.51%	+0.84%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.01%	8.69%	-3.68%

Volatility

WITS.AS vs. BRK-A - Volatility Comparison

iShares MSCI World Information Technology Sector ESG UCITS ETF (WITS.AS) has a higher volatility of 6.15% compared to Berkshire Hathaway Inc (BRK-A) at 4.04%. This indicates that WITS.AS's price experiences larger fluctuations and is considered to be riskier than BRK-A based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	WITS.AS	BRK-A	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.15%	4.04%	+2.11%
Volatility (6M) Calculated over the trailing 6-month period	14.81%	10.99%	+3.82%
Volatility (1Y) Calculated over the trailing 1-year period	22.88%	17.63%	+5.25%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.56%	17.25%	+6.31%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.59%	18.98%	+5.61%