Observatory · observe first
Intuitive Surgical
ISRG · United States · Health Care Equipment · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.364%
12M weight contribution
+0.081 pp
3M weight contribution
-0.080 pp
12M price return
+8.2%
Share of matched S&P 500 members
Monthly observations through Jul 2025
Company price index
A separate dimension from market allocation
Historical observations
Most recent 24 observations at or before the selected month
| Month | Market cap | Universe weight | 12M weight change | 12M return | Above 6M weight average |
|---|---|---|---|---|---|
| Jul 2025 | $172.5bn | 0.364% | +0.081 pp | +8.2% | No |
| Jun 2025 | $194.8bn | 0.420% | +0.124 pp | +22.2% | No |
| May 2025 | $198.0bn | 0.449% | +0.176 pp | +37.4% | Yes |
| Apr 2025 | $184.9bn | 0.444% | +0.063 pp | +39.2% | Yes |
| Mar 2025 | $176.6bn | 0.419% | +0.029 pp | +24.1% | No |
| Feb 2025 | $204.4bn | 0.457% | +0.068 pp | +48.6% | Yes |
| Jan 2025 | $204.0bn | 0.454% | +0.057 pp | +51.2% | Yes |
| Dec 2024 | $185.9bn | 0.422% | +0.067 pp | +54.7% | Yes |
| Nov 2024 | $193.0bn | 0.426% | +0.085 pp | +74.4% | Yes |
| Oct 2024 | $179.5bn | 0.422% | +0.108 pp | +92.1% | Yes |
| Sep 2024 | $174.6bn | 0.406% | +0.063 pp | +68.1% | Yes |
| Aug 2024 | $175.1bn | 0.423% | +0.073 pp | +57.6% | Yes |
| Jul 2024 | $158.0bn | 0.283% | +0.035 pp | +37.1% | No |
| Jun 2024 | $157.8bn | 0.296% | +0.019 pp | +30.1% | No |
| May 2024 | $142.6bn | 0.273% | +0.006 pp | +30.6% | No |
| Apr 2024 | $131.5bn | 0.381% | +0.024 pp | +23.0% | Yes |
| Mar 2024 | $140.6bn | 0.390% | +0.085 pp | +56.2% | Yes |
| Feb 2024 | $135.9bn | 0.389% | +0.107 pp | +68.1% | Yes |
| Jan 2024 | $133.3bn | 0.396% | +0.099 pp | +53.9% | Yes |
| Dec 2023 | $118.8bn | 0.354% | +0.016 pp | +27.1% | Yes |
| Nov 2023 | $109.4bn | 0.341% | +0.017 pp | +15.0% | Yes |
| Oct 2023 | $92.3bn | 0.314% | +0.005 pp | +6.4% | Yes |
| Sep 2023 | $102.7bn | 0.343% | +0.080 pp | +55.9% | Yes |
| Aug 2023 | $109.9bn | 0.350% | +0.087 pp | +52.0% | Yes |
Its weight is estimated market cap divided by the total estimated market cap of matched S&P 500 members for the month. This is not an official float-adjusted S&P index weight.