CSSPX.MI vs. BRK-B

Last updated Apr 2, 2026

Compare and contrast key facts about iShares Core S&P 500 UCITS ETF USD (Acc) (CSSPX.MI) and Berkshire Hathaway Inc. (BRK-B).

CSSPX.MI is a passively managed fund by iShares that tracks the performance of the S&P 500 Index. It was launched on May 19, 2010.

Performance

CSSPX.MI vs. BRK-B - Performance Comparison

The chart below illustrates the hypothetical performance of a €10,000 investment in iShares Core S&P 500 UCITS ETF USD (Acc) (CSSPX.MI) and Berkshire Hathaway Inc. (BRK-B). The values are adjusted to include any dividend payments, if applicable.

CSSPX.MI vs. BRK-B - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CSSPX.MI iShares Core S&P 500 UCITS ETF USD (Acc)	-3.04%	4.27%	33.76%	22.03%	-14.58%	40.89%	7.57%	34.27%	-1.05%	6.71%
BRK-B Berkshire Hathaway Inc.	-3.34%	-2.27%	35.48%	12.00%	9.71%	38.60%	-6.07%	13.44%	7.84%	6.68%

Different Trading Currencies

CSSPX.MI is traded in EUR, while BRK-B is traded in USD. To make them comparable, the BRK-B values have been converted to EUR using the latest available exchange rates.

Returns By Period

The year-to-date returns for both stocks are quite close, with CSSPX.MI having a -3.04% return and BRK-B slightly lower at -3.15%. Over the past 10 years, CSSPX.MI has outperformed BRK-B with an annualized return of 13.67%, while BRK-B has yielded a comparatively lower 12.63% annualized return.

CSSPX.MI

• 1D: 1.68%
• 1M: -3.05%
• YTD: -3.04%
• 6M: 0.06%
• 1Y: 10.15%
• 3Y*: 16.08%
• 5Y*: 12.10%
• 10Y*: 13.67%

BRK-B

• 1D: 0.00%
• 1M: 0.89%
• YTD: -3.15%
• 6M: -2.40%
• 1Y: -16.07%
• 3Y*: 13.32%
• 5Y*: 13.58%
• 10Y*: 12.63%

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

Return for Risk

CSSPX.MI vs. BRK-B — Risk / Return Rank

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

CSSPX.MI

CSSPX.MI Risk / Return Rank: 30
CSSPX.MI Sharpe Ratio Rank: 30
CSSPX.MI Sortino Ratio Rank: 29
CSSPX.MI Omega Ratio Rank: 31
CSSPX.MI Calmar Ratio Rank: 29
CSSPX.MI Martin Ratio Rank: 33

BRK-B

BRK-B Risk / Return Rank: 17
BRK-B Sharpe Ratio Rank: 16
BRK-B Sortino Ratio Rank: 16
BRK-B Omega Ratio Rank: 16
BRK-B Calmar Ratio Rank: 17
BRK-B Martin Ratio Rank: 19

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.

CSSPX.MI vs. BRK-B - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Core S&P 500 UCITS ETF USD (Acc) (CSSPX.MI) 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.

	CSSPX.MI	BRK-B	Difference
Sharpe ratio Return per unit of total volatility	0.60	-0.82	+1.41
Sortino ratio Return per unit of downside risk	0.91	-1.02	+1.92
Omega ratio Gain probability vs. loss probability	1.13	0.86	+0.27
Calmar ratio Return relative to maximum drawdown	0.75	-0.77	+1.52
Martin ratio Return relative to average drawdown	3.11	-1.10	+4.20
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CSSPX.MI vs. BRK-B - Sharpe Ratio Comparison

The current CSSPX.MI Sharpe Ratio is 0.60, which is higher than the BRK-B Sharpe Ratio of -0.82. The chart below compares the historical Sharpe Ratios of CSSPX.MI and BRK-B, 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

	CSSPX.MI	BRK-B	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.60	-0.82	+1.41
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.79	0.78	+0.01
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.84	0.63	+0.21
Sharpe Ratio (All Time) Calculated using the full available price history	0.88	0.51	+0.36

Correlation

The correlation between CSSPX.MI and BRK-B is 0.41, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

CSSPX.MI vs. BRK-B - Dividend Comparison

Neither CSSPX.MI nor BRK-B has paid dividends to shareholders.

Tickers have no history of dividend payments

Drawdowns

CSSPX.MI vs. BRK-B - Drawdown Comparison

The maximum CSSPX.MI drawdown since its inception was -33.56%, smaller than the maximum BRK-B drawdown of -45.91%. Use the drawdown chart below to compare losses from any high point for CSSPX.MI and BRK-B.

Drawdown Indicators

	CSSPX.MI	BRK-B	Difference
Max Drawdown Largest peak-to-trough decline	-33.56%	-53.86%	+20.30%
Max Drawdown (1Y) Largest decline over 1 year	-13.46%	-14.95%	+1.49%
Max Drawdown (5Y) Largest decline over 5 years	-23.26%	-26.58%	+3.32%
Max Drawdown (10Y) Largest decline over 10 years	-33.56%	-29.57%	-3.99%
Current Drawdown Current decline from peak	-5.22%	-11.36%	+6.14%
Average Drawdown Average peak-to-trough decline	-4.14%	-11.07%	+6.93%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.27%	8.72%	-5.45%

Volatility

CSSPX.MI vs. BRK-B - Volatility Comparison

The current volatility for iShares Core S&P 500 UCITS ETF USD (Acc) (CSSPX.MI) is 3.76%, while Berkshire Hathaway Inc. (BRK-B) has a volatility of 4.41%. This indicates that CSSPX.MI experiences smaller price fluctuations and is considered to be less risky than BRK-B based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CSSPX.MI	BRK-B	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.76%	4.41%	-0.65%
Volatility (6M) Calculated over the trailing 6-month period	8.58%	11.71%	-3.13%
Volatility (1Y) Calculated over the trailing 1-year period	17.09%	19.78%	-2.69%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.21%	17.45%	-2.24%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.12%	20.14%	-4.02%