Observatory · observe first
Boston Scientific
BSX · United States · Health Care Equipment · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.343%
12M weight contribution
+0.064 pp
3M weight contribution
+0.048 pp
12M price return
+56.8%
Share of matched S&P 500 members
Monthly observations through Feb 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 |
|---|---|---|---|---|---|
| Feb 2025 | $153.2bn | 0.343% | +0.064 pp | +56.8% | Yes |
| Jan 2025 | $150.9bn | 0.335% | +0.060 pp | +61.8% | Yes |
| Dec 2024 | $131.6bn | 0.299% | +0.046 pp | +54.5% | Yes |
| Nov 2024 | $133.6bn | 0.295% | +0.040 pp | +62.2% | Yes |
| Oct 2024 | $123.7bn | 0.291% | +0.036 pp | +64.1% | Yes |
| Sep 2024 | $123.4bn | 0.287% | +0.029 pp | +58.7% | Yes |
| Aug 2024 | $120.4bn | 0.291% | +0.039 pp | +51.6% | Yes |
| Jul 2024 | $108.6bn | 0.195% | +0.032 pp | +42.5% | No |
| Jun 2024 | $113.2bn | 0.212% | +0.032 pp | +42.4% | No |
| May 2024 | $111.1bn | 0.212% | +0.030 pp | +46.8% | No |
| Apr 2024 | $105.4bn | 0.305% | +0.053 pp | +37.9% | Yes |
| Mar 2024 | $100.5bn | 0.279% | +0.034 pp | +36.9% | Yes |
| Feb 2024 | $97.1bn | 0.278% | +0.043 pp | +41.7% | Yes |
| Jan 2024 | $92.7bn | 0.276% | +0.049 pp | +36.8% | Yes |
| Dec 2023 | $84.7bn | 0.253% | +0.013 pp | +24.9% | Yes |
| Nov 2023 | $81.9bn | 0.255% | +0.035 pp | +23.5% | Yes |
| Oct 2023 | $75.0bn | 0.255% | +0.036 pp | +18.7% | Yes |
| Sep 2023 | $77.3bn | 0.258% | +0.040 pp | +36.3% | Yes |
| Aug 2023 | $79.0bn | 0.252% | +0.045 pp | +33.8% | Yes |
| Jul 2023 | $74.5bn | 0.162% | -0.039 pp | +26.3% | No |
| Jun 2023 | $77.8bn | 0.180% | -0.027 pp | +45.1% | No |
| May 2023 | $74.0bn | 0.183% | -0.028 pp | +25.5% | No |
| Apr 2023 | $74.8bn | 0.253% | +0.035 pp | +23.8% | Yes |
| Mar 2023 | $71.8bn | 0.245% | +0.032 pp | +13.0% | 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.