NKTR vs. BRK-B
NKTR (Nektar Therapeutics) and BRK-B (Berkshire Hathaway Inc.) are both stocks. NKTR operates in Biotechnology (Healthcare), while BRK-B operates in Insurance - Diversified (Financial Services). Over the past 10 years, NKTR returned -11.08%/yr vs 13.43%/yr for BRK-B. At a 0.21 correlation, their price movements are largely independent.
Performance
NKTR vs. BRK-B - Performance Comparison
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Returns By Period
In the year-to-date period, NKTR achieves a 57.73% return, which is significantly higher than BRK-B's -1.96% return. Over the past 10 years, NKTR has underperformed BRK-B with an annualized return of -11.08%, while BRK-B has yielded a comparatively higher 13.43% annualized return.
NKTR
- 1D
- 1.51%
- 1M
- 0.12%
- YTD
- 57.73%
- 6M
- 50.00%
- 1Y
- 599.06%
- 3Y*
- 97.10%
- 5Y*
- -23.55%
- 10Y*
- -11.08%
BRK-B
- 1D
- 0.84%
- 1M
- 1.32%
- YTD
- -1.96%
- 6M
- -1.54%
- 1Y
- 1.03%
- 3Y*
- 13.70%
- 5Y*
- 12.33%
- 10Y*
- 13.43%
NKTR vs. BRK-B - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
NKTR Nektar Therapeutics | 57.73% | 203.08% | 64.60% | -75.00% | -83.27% | -20.53% | -21.26% | -34.32% | -44.96% | 386.72% |
BRK-B Berkshire Hathaway Inc. | -1.96% | 10.89% | 27.09% | 15.46% | 3.31% | 28.95% | 2.37% | 10.93% | 3.01% | 21.62% |
Correlation
The correlation between NKTR 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 | 0.13 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.17 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.19 |
Correlation (All Time) Calculated using the full available price history since May 9, 1996 | 0.21 |
The correlation between NKTR and BRK-B shifts across timeframes, from 0.02 (1 year) to 0.21 (all time), reflecting how their relationship changes across market environments.
Fundamentals
NKTR:
$1.65B
BRK-B:
$1.06T
NKTR:
-$8.64
BRK-B:
$33.62
NKTR:
21.94
BRK-B:
2.83
NKTR:
2.86
BRK-B:
1.46
NKTR:
$55.63M
BRK-B:
$375.39B
NKTR:
$44.58M
BRK-B:
$94.36B
NKTR:
-$121.05M
BRK-B:
$71.92B
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Return for Risk
NKTR vs. BRK-B — Risk / Return Rank
NKTR
BRK-B
NKTR vs. BRK-B - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Nektar Therapeutics (NKTR) 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.
| NKTR | BRK-B | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +3.26 | ||
| Sortino ratioReturn per unit of downside risk | +6.39 | ||
| Omega ratioGain probability vs. loss probability | 1.74 | 1.02 | +0.72 |
| Calmar ratioReturn relative to maximum drawdown | 12.99 | 0.11 | +12.88 |
| Martin ratioReturn relative to average drawdown | 27.75 | 0.23 | +27.52 |
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Drawdowns
NKTR vs. BRK-B - Drawdown Comparison
The maximum NKTR drawdown since its inception was -99.61%, 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 NKTR and BRK-B.
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Drawdown Indicators
| NKTR | BRK-B | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.61% | -53.86% | -45.75% |
Max Drawdown (1Y)Largest decline over 1 year | -46.54% | -9.42% | -37.12% |
Max Drawdown (3Y)Largest decline over 3 years | -73.20% | -14.95% | -58.25% |
Max Drawdown (5Y)Largest decline over 5 years | -97.76% | -26.58% | -71.18% |
Max Drawdown (10Y)Largest decline over 10 years | -99.61% | -29.57% | -70.04% |
Current DrawdownCurrent decline from peak | -95.90% | -8.71% | -87.19% |
Average DrawdownAverage peak-to-trough decline | -68.35% | -11.07% | -57.28% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 21.74% | 4.57% | +17.17% |
Volatility
NKTR vs. BRK-B - Volatility Comparison
Nektar Therapeutics (NKTR) has a higher volatility of 14.19% compared to Berkshire Hathaway Inc. (BRK-B) at 3.75%. This indicates that NKTR'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
| NKTR | BRK-B | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 14.19% | 3.75% | +10.44% |
Volatility (6M)Calculated over the trailing 6-month period | 60.56% | 10.63% | +49.93% |
Volatility (1Y)Calculated over the trailing 1-year period | 181.62% | 14.39% | +167.23% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 121.88% | 17.10% | +104.78% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 97.17% | 19.39% | +77.78% |
Dividends
NKTR vs. BRK-B - Dividend Comparison
Neither NKTR nor BRK-B has paid dividends to shareholders.
Financials
NKTR vs. BRK-B - Financials Comparison
This section allows you to compare key financial metrics between Nektar Therapeutics 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
Frequently Asked Questions
NKTR 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.
NKTR has higher volatility (14.19%) compared to BRK-B (3.75%). In terms of maximum drawdown, NKTR dropped -99.61% vs BRK-B's -53.86%.
NKTR currently has the higher Sharpe Ratio (3.33 vs 0.07), 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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