CSCO vs. BRK-B
CSCO (Cisco Systems, Inc.) and BRK-B (Berkshire Hathaway Inc.) are both stocks. CSCO operates in Communication Equipment (Technology), while BRK-B operates in Insurance - Diversified (Financial Services). Over the past 10 years, CSCO returned 18.92%/yr vs 13.22%/yr for BRK-B. At a 0.32 correlation, their price movements are largely independent.
Performance
CSCO vs. BRK-B - Performance Comparison
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Returns By Period
In the year-to-date period, CSCO achieves a 58.91% return, which is significantly higher than BRK-B's -2.67% return. Over the past 10 years, CSCO has outperformed BRK-B with an annualized return of 18.92%, while BRK-B has yielded a comparatively lower 13.22% annualized return.
CSCO
- 1D
- -0.60%
- 1M
- 18.88%
- YTD
- 58.91%
- 6M
- 57.34%
- 1Y
- 90.30%
- 3Y*
- 37.33%
- 5Y*
- 20.60%
- 10Y*
- 18.92%
BRK-B
- 1D
- 0.71%
- 1M
- 0.77%
- YTD
- -2.67%
- 6M
- -2.06%
- 1Y
- -0.22%
- 3Y*
- 13.30%
- 5Y*
- 11.27%
- 10Y*
- 13.22%
CSCO vs. BRK-B - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
CSCO Cisco Systems, Inc. | 58.91% | 33.47% | 21.00% | 9.30% | -22.46% | 45.76% | -3.49% | 13.81% | 16.57% | 31.27% |
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% |
Correlation
The correlation between CSCO and BRK-B is 0.02, 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 | 0.02 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.22 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.39 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.45 |
Correlation (All Time) Calculated using the full available price history since May 9, 1996 | 0.32 |
Over the past year, the correlation between CSCO and BRK-B has dropped to 0.02 - well below their long-term average of 0.32, suggesting their price drivers have been diverging.
Fundamentals
CSCO:
$482.83B
BRK-B:
$1.06T
CSCO:
$3.00
BRK-B:
$33.62
CSCO:
40.40
BRK-B:
14.55
CSCO:
33.90
BRK-B:
0.56
CSCO:
7.95
BRK-B:
2.81
CSCO:
9.88
BRK-B:
1.45
CSCO:
$60.75B
BRK-B:
$375.39B
CSCO:
$39.08B
BRK-B:
$94.36B
CSCO:
$13.98B
BRK-B:
$71.92B
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Return for Risk
CSCO vs. BRK-B — Risk / Return Rank
CSCO
BRK-B
CSCO vs. BRK-B - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Cisco Systems, Inc. (CSCO) 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.
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.
| CSCO | BRK-B | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.95 | ||
| Sortino ratioReturn per unit of downside risk | +3.39 | ||
| Omega ratioGain probability vs. loss probability | 1.53 | 1.01 | +0.52 |
| Calmar ratioReturn relative to maximum drawdown | 6.69 | -0.02 | +6.71 |
| Martin ratioReturn relative to average drawdown | 18.37 | -0.05 | +18.42 |
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Drawdowns
CSCO vs. BRK-B - Drawdown Comparison
The maximum CSCO drawdown since its inception was -89.26%, 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 CSCO and BRK-B.
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Drawdown Indicators
| CSCO | BRK-B | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -89.26% | -53.86% | -35.40% |
Max Drawdown (1Y)Largest decline over 1 year | -13.57% | -9.42% | -4.15% |
Max Drawdown (3Y)Largest decline over 3 years | -20.16% | -14.95% | -5.21% |
Max Drawdown (5Y)Largest decline over 5 years | -36.68% | -26.58% | -10.10% |
Max Drawdown (10Y)Largest decline over 10 years | -41.95% | -29.57% | -12.38% |
Current DrawdownCurrent decline from peak | -6.85% | -9.36% | +2.51% |
Average DrawdownAverage peak-to-trough decline | -40.11% | -11.07% | -29.04% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.93% | 4.53% | +0.40% |
Volatility
CSCO vs. BRK-B - Volatility Comparison
Cisco Systems, Inc. (CSCO) has a higher volatility of 17.31% compared to Berkshire Hathaway Inc. (BRK-B) at 3.95%. This indicates that CSCO'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.
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Volatility by Period
| CSCO | BRK-B | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 17.31% | 3.95% | +13.36% |
Volatility (6M)Calculated over the trailing 6-month period | 27.29% | 10.78% | +16.51% |
Volatility (1Y)Calculated over the trailing 1-year period | 30.93% | 14.38% | +16.55% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 24.88% | 17.12% | +7.76% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 25.89% | 19.44% | +6.45% |
Dividends
CSCO vs. BRK-B - Dividend Comparison
CSCO's dividend yield for the trailing twelve months is around 1.36%, while BRK-B has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BRK-B Berkshire Hathaway Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
CSCO Cisco Systems, Inc. | 1.36% | 2.12% | 2.69% | 3.07% | 3.17% | 2.32% | 3.20% | 2.88% | 2.95% | 2.95% | 3.28% | 3.02% |
Financials
CSCO vs. BRK-B - Financials Comparison
This section allows you to compare key financial metrics between Cisco Systems, Inc. and Berkshire Hathaway 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
CSCO vs. BRK-B - Profitability Comparison
CSCO - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Cisco Systems, Inc. reported a gross profit of 10.08B and revenue of 15.84B. Therefore, the gross margin over that period was 63.6%.
BRK-B - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Berkshire Hathaway Inc. reported a gross profit of 26.98B and revenue of 93.68B. Therefore, the gross margin over that period was 28.8%.
CSCO - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Cisco Systems, Inc. reported an operating income of 3.96B and revenue of 15.84B, resulting in an operating margin of 25.0%.
BRK-B - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Berkshire Hathaway Inc. reported an operating income of 15.05B and revenue of 93.68B, resulting in an operating margin of 16.1%.
CSCO - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Cisco Systems, Inc. reported a net income of 3.37B and revenue of 15.84B, resulting in a net margin of 21.3%.
BRK-B - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Berkshire Hathaway Inc. reported a net income of 10.18B and revenue of 93.68B, resulting in a net margin of 10.9%.
Frequently Asked Questions
CSCO and BRK-B have a correlation of 0.02, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
CSCO has higher volatility (17.31%) compared to BRK-B (3.95%). In terms of maximum drawdown, CSCO dropped -89.26% vs BRK-B's -53.86%.
CSCO currently has the higher Sharpe Ratio (2.94 vs -0.02), 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.
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