ISRG vs. BLK
ISRG (Intuitive Surgical, Inc.) and BLK (BlackRock, Inc.) are both stocks. ISRG operates in Medical Instruments & Supplies (Healthcare), while BLK operates in Asset Management (Financial Services). Over the past 10 years, ISRG returned 19.09%/yr vs 14.55%/yr for BLK. At a 0.36 correlation, their price movements are largely independent.
Performance
ISRG vs. BLK - Performance Comparison
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Returns By Period
In the year-to-date period, ISRG achieves a -27.42% return, which is significantly lower than BLK's -2.50% return. Over the past 10 years, ISRG has outperformed BLK with an annualized return of 19.09%, while BLK has yielded a comparatively lower 14.55% annualized return.
ISRG
- 1D
- -0.45%
- 1M
- -3.97%
- YTD
- -27.42%
- 6M
- -24.20%
- 1Y
- -19.74%
- 3Y*
- 9.23%
- 5Y*
- 7.37%
- 10Y*
- 19.09%
BLK
- 1D
- 1.52%
- 1M
- -6.00%
- YTD
- -2.50%
- 6M
- -4.18%
- 1Y
- 8.42%
- 3Y*
- 17.07%
- 5Y*
- 5.74%
- 10Y*
- 14.55%
ISRG vs. BLK - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ISRG Intuitive Surgical, Inc. | -27.42% | 8.51% | 54.72% | 27.14% | -26.15% | 31.76% | 38.39% | 23.43% | 31.23% | 72.64% |
BLK BlackRock, Inc. | -2.50% | 6.55% | 29.29% | 17.86% | -20.40% | 29.39% | 47.21% | 31.87% | -21.59% | 38.20% |
Correlation
The correlation between ISRG and BLK is 0.34, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.34 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.39 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.49 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.48 |
Correlation (All Time) Calculated using the full available price history since Jun 16, 2000 | 0.36 |
The correlation between ISRG and BLK shifts across timeframes, from 0.34 (1 year) to 0.49 (5 years), reflecting how their relationship changes across market environments.
Fundamentals
ISRG:
$147.90B
BLK:
$170.28B
ISRG:
$8.24
BLK:
$38.89
ISRG:
49.88
BLK:
26.53
ISRG:
14.04
BLK:
6.46
ISRG:
8.40
BLK:
3.00
ISRG:
$10.58B
BLK:
$25.71B
ISRG:
$7.02B
BLK:
$15.21B
ISRG:
$3.76B
BLK:
$9.79B
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Return for Risk
ISRG vs. BLK — Risk / Return Rank
ISRG
BLK
ISRG vs. BLK - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Intuitive Surgical, Inc. (ISRG) and BlackRock, Inc. (BLK). 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.
| ISRG | BLK | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.91 | ||
| Sortino ratioReturn per unit of downside risk | -1.39 | ||
| Omega ratioGain probability vs. loss probability | 0.90 | 1.07 | -0.17 |
| Calmar ratioReturn relative to maximum drawdown | -0.62 | 0.30 | -0.92 |
| Martin ratioReturn relative to average drawdown | -1.24 | 0.66 | -1.90 |
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Drawdowns
ISRG vs. BLK - Drawdown Comparison
The maximum ISRG drawdown since its inception was -82.26%, which is greater than BLK's maximum drawdown of -60.36%. Use the drawdown chart below to compare losses from any high point for ISRG and BLK.
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Drawdown Indicators
| ISRG | BLK | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -82.26% | -60.36% | -21.90% |
Max Drawdown (1Y)Largest decline over 1 year | -32.14% | -22.45% | -9.69% |
Max Drawdown (3Y)Largest decline over 3 years | -34.10% | -23.74% | -10.36% |
Max Drawdown (5Y)Largest decline over 5 years | -49.90% | -43.90% | -6.00% |
Max Drawdown (10Y)Largest decline over 10 years | -49.90% | -43.90% | -6.00% |
Current DrawdownCurrent decline from peak | -32.66% | -12.80% | -19.86% |
Average DrawdownAverage peak-to-trough decline | -21.28% | -11.93% | -9.35% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 16.00% | 10.05% | +5.95% |
Volatility
ISRG vs. BLK - Volatility Comparison
Intuitive Surgical, Inc. (ISRG) has a higher volatility of 9.70% compared to BlackRock, Inc. (BLK) at 8.55%. This indicates that ISRG's price experiences larger fluctuations and is considered to be riskier than BLK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ISRG | BLK | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 9.70% | 8.55% | +1.15% |
Volatility (6M)Calculated over the trailing 6-month period | 20.72% | 20.59% | +0.13% |
Volatility (1Y)Calculated over the trailing 1-year period | 30.69% | 25.90% | +4.79% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 33.19% | 26.76% | +6.43% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 32.40% | 27.75% | +4.65% |
Dividends
ISRG vs. BLK - Dividend Comparison
ISRG has not paid dividends to shareholders, while BLK's dividend yield for the trailing twelve months is around 2.12%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BLK BlackRock, Inc. | 2.12% | 1.95% | 1.99% | 2.46% | 2.75% | 1.80% | 2.01% | 2.63% | 3.08% | 1.95% | 2.41% | 2.56% |
ISRG Intuitive Surgical, 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% |
Financials
ISRG vs. BLK - Financials Comparison
This section allows you to compare key financial metrics between Intuitive Surgical, Inc. and BlackRock, 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
ISRG vs. BLK - Profitability Comparison
ISRG - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Intuitive Surgical, Inc. reported a gross profit of 1.83B and revenue of 2.77B. Therefore, the gross margin over that period was 66.1%.
BLK - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, BlackRock, Inc. reported a gross profit of 5.51B and revenue of 6.77B. Therefore, the gross margin over that period was 81.4%.
ISRG - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Intuitive Surgical, Inc. reported an operating income of 855.30M and revenue of 2.77B, resulting in an operating margin of 30.9%.
BLK - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, BlackRock, Inc. reported an operating income of 2.33B and revenue of 6.77B, resulting in an operating margin of 34.5%.
ISRG - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Intuitive Surgical, Inc. reported a net income of 821.50M and revenue of 2.77B, resulting in a net margin of 29.7%.
BLK - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, BlackRock, Inc. reported a net income of 2.21B and revenue of 6.77B, resulting in a net margin of 32.7%.
Frequently Asked Questions
ISRG and BLK have a correlation of 0.34, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ISRG has higher volatility (9.70%) compared to BLK (8.55%). In terms of maximum drawdown, ISRG dropped -82.26% vs BLK's -60.36%.
BLK currently has the higher Sharpe Ratio (0.26 vs -0.65), 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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