CSTM vs. BRK-B

Last updated Apr 2, 2026

Compare and contrast key facts about Constellium SE (CSTM) and Berkshire Hathaway Inc. (BRK-B).

Performance

CSTM vs. BRK-B - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Constellium SE (CSTM) and Berkshire Hathaway Inc. (BRK-B). The values are adjusted to include any dividend payments, if applicable.

CSTM vs. BRK-B - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CSTM Constellium SE	44.93%	83.54%	-48.55%	68.72%	-33.95%	28.02%	4.40%	91.70%	-37.31%	88.98%
BRK-B Berkshire Hathaway Inc.	-4.80%	10.89%	27.09%	15.46%	3.31%	28.95%	2.37%	10.93%	3.01%	21.62%

Fundamentals

Market Cap CSTM : $3.88B BRK-B : $1.03T
EPS CSTM : $1.63 BRK-B : $31.03
PE Ratio CSTM : 16.71 BRK-B : 15.42
PEG Ratio CSTM : 0.27 BRK-B : 0.60
PS Ratio CSTM : 0.54 BRK-B : 2.78
PB Ratio CSTM : 4.79 BRK-B : 1.44
Total Revenue (TTM) CSTM : $7.19B BRK-B : $371.37B
Gross Profit (TTM) CSTM : $729.39M BRK-B : $116.89B
EBITDA (TTM) CSTM : $684.28M BRK-B : $87.30B

Returns By Period

In the year-to-date period, CSTM achieves a 44.93% return, which is significantly higher than BRK-B's -4.80% return. Over the past 10 years, CSTM has outperformed BRK-B with an annualized return of 18.27%, while BRK-B has yielded a comparatively lower 12.78% annualized return.

CSTM

• 1D: 11.15%
• 1M: 4.83%
• YTD: 44.93%
• 6M: 81.41%
• 1Y: 169.69%
• 3Y*: 21.37%
• 5Y*: 12.92%
• 10Y*: 18.27%

BRK-B

• 1D: -0.15%
• 1M: -0.35%
• YTD: -4.80%
• 6M: -3.95%
• 1Y: -10.22%
• 3Y*: 15.72%
• 5Y*: 13.13%
• 10Y*: 12.78%

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

Return for Risk

CSTM vs. BRK-B — Risk / Return Rank

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

CSTM

CSTM Risk / Return Rank: 96
CSTM Sharpe Ratio Rank: 97
CSTM Sortino Ratio Rank: 95
CSTM Omega Ratio Rank: 93
CSTM Calmar Ratio Rank: 96
CSTM Martin Ratio Rank: 98

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.

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

This table presents a comparison of risk-adjusted performance metrics for Constellium SE (CSTM) 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.

	CSTM	BRK-B	Difference
Sharpe ratio Return per unit of total volatility	3.30	-0.56	+3.86
Sortino ratio Return per unit of downside risk	3.65	-0.65	+4.29
Omega ratio Gain probability vs. loss probability	1.45	0.91	+0.54
Calmar ratio Return relative to maximum drawdown	6.76	-0.68	+7.44
Martin ratio Return relative to average drawdown	25.73	-1.16	+26.89
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CSTM vs. BRK-B - Sharpe Ratio Comparison

The current CSTM Sharpe Ratio is 3.30, which is higher than the BRK-B Sharpe Ratio of -0.56. The chart below compares the historical Sharpe Ratios of CSTM 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

	CSTM	BRK-B	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.30	-0.56	+3.86
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.28	0.77	-0.49
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.32	0.66	-0.34
Sharpe Ratio (All Time) Calculated using the full available price history	0.09	0.48	-0.40

Correlation

The correlation between CSTM and BRK-B is 0.33, 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

CSTM vs. BRK-B - Dividend Comparison

Neither CSTM nor BRK-B has paid dividends to shareholders.

Tickers have no history of dividend payments

Drawdowns

CSTM vs. BRK-B - Drawdown Comparison

The maximum CSTM drawdown since its inception was -88.70%, which is greater than BRK-B's maximum drawdown of -53.86%. Use the drawdown chart below to compare losses from any high point for CSTM and BRK-B.

Drawdown Indicators

	CSTM	BRK-B	Difference
Max Drawdown Largest peak-to-trough decline	-88.70%	-53.86%	-34.84%
Max Drawdown (1Y) Largest decline over 1 year	-25.24%	-14.95%	-10.29%
Max Drawdown (5Y) Largest decline over 5 years	-66.35%	-26.58%	-39.77%
Max Drawdown (10Y) Largest decline over 10 years	-72.30%	-29.57%	-42.73%
Current Drawdown Current decline from peak	-15.65%	-11.36%	-4.29%
Average Drawdown Average peak-to-trough decline	-54.50%	-11.07%	-43.43%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.64%	8.72%	-2.08%

Volatility

CSTM vs. BRK-B - Volatility Comparison

Constellium SE (CSTM) has a higher volatility of 20.12% compared to Berkshire Hathaway Inc. (BRK-B) at 4.33%. This indicates that CSTM'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

	CSTM	BRK-B	Difference
Volatility (1M) Calculated over the trailing 1-month period	20.12%	4.33%	+15.79%
Volatility (6M) Calculated over the trailing 6-month period	33.27%	11.14%	+22.13%
Volatility (1Y) Calculated over the trailing 1-year period	51.78%	18.30%	+33.48%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	46.63%	17.20%	+29.43%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	56.62%	19.45%	+37.17%

Financials

CSTM vs. BRK-B - Profitability Comparison

The chart below illustrates the profitability comparison between Constellium SE and Berkshire Hathaway Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

CSTM - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Constellium SE reported a gross profit of -110.61M and revenue of 942.94M. Therefore, the gross margin over that period was -11.7%.

BRK-B - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Berkshire Hathaway Inc. reported a gross profit of 21.68B and revenue of 94.23B. Therefore, the gross margin over that period was 23.0%.

CSTM - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Constellium SE reported an operating income of 88.42M and revenue of 942.94M, resulting in an operating margin of 9.4%.

BRK-B - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Berkshire Hathaway Inc. reported an operating income of 13.65B and revenue of 94.23B, resulting in an operating margin of 14.5%.

CSTM - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Constellium SE reported a net income of 71.35M and revenue of 942.94M, resulting in a net margin of 7.6%.

BRK-B - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Berkshire Hathaway Inc. reported a net income of 19.20B and revenue of 94.23B, resulting in a net margin of 20.4%.