BRK-B vs. SMMT
BRK-B (Berkshire Hathaway Inc.) and SMMT (Summit Therapeutics Inc.) are both stocks. BRK-B operates in Insurance - Diversified (Financial Services), while SMMT operates in Biotechnology (Healthcare). Over the past 10 years, BRK-B returned 13.22%/yr vs 5.31%/yr for SMMT. At a 0.09 correlation, their price movements are largely independent.
Performance
BRK-B vs. SMMT - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, BRK-B achieves a -2.67% return, which is significantly higher than SMMT's -19.90% return. Over the past 10 years, BRK-B has outperformed SMMT with an annualized return of 13.22%, while SMMT has yielded a comparatively lower 5.31% annualized return.
BRK-B
- 1D
- 0.71%
- 1M
- 1.36%
- YTD
- -2.67%
- 6M
- -2.06%
- 1Y
- 0.35%
- 3Y*
- 13.30%
- 5Y*
- 11.27%
- 10Y*
- 13.22%
SMMT
- 1D
- 7.11%
- 1M
- -16.95%
- YTD
- -19.90%
- 6M
- -20.26%
- 1Y
- -29.17%
- 3Y*
- 93.96%
- 5Y*
- 15.49%
- 10Y*
- 5.31%
BRK-B vs. SMMT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BRK-B Berkshire Hathaway Inc. | -2.67% | 10.89% | 27.09% | 15.46% | 3.31% | 28.95% | 2.37% | 10.93% | 3.01% | 21.62% |
SMMT Summit Therapeutics Inc. | -19.90% | -1.99% | 583.72% | -38.59% | 57.99% | -42.77% | 193.75% | 39.13% | -89.62% | 29.44% |
Correlation
The correlation between BRK-B and SMMT is 0.09, 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 | 0.09 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.16 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.12 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.08 |
Correlation (All Time) Calculated using the full available price history since Mar 5, 2015 | 0.09 |
Fundamentals
BRK-B:
$1.06T
SMMT:
$10.86B
BRK-B:
$33.62
SMMT:
-$1.60
BRK-B:
1.45
SMMT:
19.90
BRK-B:
$375.39B
SMMT:
$0.00
BRK-B:
$94.36B
SMMT:
-$83.36K
BRK-B:
$71.92B
SMMT:
-$738.34M
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
BRK-B vs. SMMT — Risk / Return Rank
BRK-B
SMMT
BRK-B vs. SMMT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Berkshire Hathaway Inc. (BRK-B) and Summit Therapeutics Inc. (SMMT). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| BRK-B | SMMT | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.39 | ||
| Sortino ratioReturn per unit of downside risk | +0.20 | ||
| Omega ratioGain probability vs. loss probability | 1.01 | 0.98 | +0.03 |
| Calmar ratioReturn relative to maximum drawdown | -0.02 | -0.55 | +0.53 |
| Martin ratioReturn relative to average drawdown | -0.05 | -0.87 | +0.83 |
Loading charts...
Drawdowns
BRK-B vs. SMMT - Drawdown Comparison
The maximum BRK-B drawdown since its inception was -53.86%, smaller than the maximum SMMT drawdown of -95.75%. Use the drawdown chart below to compare losses from any high point for BRK-B and SMMT.
Loading charts...
Drawdown Indicators
| BRK-B | SMMT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -53.86% | -95.75% | +41.89% |
Max Drawdown (1Y)Largest decline over 1 year | -9.42% | -55.49% | +46.07% |
Max Drawdown (3Y)Largest decline over 3 years | -14.95% | -64.44% | +49.49% |
Max Drawdown (5Y)Largest decline over 5 years | -26.58% | -91.78% | +65.20% |
Max Drawdown (10Y)Largest decline over 10 years | -29.57% | -95.75% | +66.18% |
Current DrawdownCurrent decline from peak | -9.36% | -61.83% | +52.47% |
Average DrawdownAverage peak-to-trough decline | -11.07% | -57.63% | +46.56% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.53% | 34.94% | -30.41% |
Volatility
BRK-B vs. SMMT - Volatility Comparison
The current volatility for Berkshire Hathaway Inc. (BRK-B) is 3.95%, while Summit Therapeutics Inc. (SMMT) has a volatility of 23.99%. This indicates that BRK-B experiences smaller price fluctuations and is considered to be less risky than SMMT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| BRK-B | SMMT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.95% | 23.99% | -20.04% |
Volatility (6M)Calculated over the trailing 6-month period | 10.78% | 56.65% | -45.87% |
Volatility (1Y)Calculated over the trailing 1-year period | 14.38% | 75.61% | -61.23% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.12% | 185.08% | -167.96% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.44% | 144.46% | -125.02% |
Dividends
BRK-B vs. SMMT - Dividend Comparison
Neither BRK-B nor SMMT has paid dividends to shareholders.
Financials
BRK-B vs. SMMT - Financials Comparison
This section allows you to compare key financial metrics between Berkshire Hathaway Inc. and Summit Therapeutics Inc.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
Frequently Asked Questions
BRK-B and SMMT have a correlation of 0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SMMT has higher volatility (23.99%) compared to BRK-B (3.95%). In terms of maximum drawdown, BRK-B dropped -53.86% vs SMMT's -95.75%.
BRK-B currently has the higher Sharpe Ratio (-0.02 vs -0.41), 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.
Find the right allocation for BRK-B and SMMT
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer