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
0.224%
12M weight contribution
-0.069 pp
3M weight contribution
+0.102 pp
12M price return
+16.3%
Share of matched S&P 500 members
Monthly observations through Apr 2021
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 |
|---|---|---|---|---|---|
| Apr 2021 | $61.8bn | 0.224% | -0.069 pp | +16.3% | Yes |
| Mar 2021 | $54.8bn | 0.107% | +0.107 pp | +18.4% | No |
| Feb 2021 | $55.0bn | 0.110% | +0.110 pp | +3.7% | No |
| Jan 2021 | $50.7bn | 0.122% | -0.166 pp | -15.4% | No |
| Dec 2020 | $51.5bn | 0.208% | -0.101 pp | -20.5% | Yes |
| Nov 2020 | $47.5bn | 0.202% | -0.102 pp | -23.4% | Yes |
| Oct 2020 | $49.0bn | 0.232% | -0.071 pp | -17.8% | Yes |
| Sep 2020 | $54.7bn | 0.000% | -0.301 pp | -6.1% | No |
| Aug 2020 | $58.7bn | 0.000% | -0.323 pp | -4.0% | No |
| Jul 2020 | $54.0bn | 0.000% | -0.314 pp | -9.2% | No |
| Jun 2020 | $49.1bn | 0.000% | -0.322 pp | -18.3% | No |
| May 2020 | $53.2bn | 0.000% | -0.311 pp | -1.1% | No |
| Apr 2020 | $52.3bn | 0.293% | +0.005 pp | +1.0% | Yes |
| Mar 2020 | $45.6bn | 0.000% | -0.305 pp | -15.0% | No |
| Feb 2020 | $52.2bn | 0.000% | -0.322 pp | -6.8% | No |
| Jan 2020 | $58.4bn | 0.288% | +0.114 pp | +9.8% | No |
| Dec 2019 | $63.0bn | 0.309% | +0.134 pp | +28.0% | Yes |
| Nov 2019 | $60.3bn | 0.304% | +0.131 pp | +14.8% | No |
| Oct 2019 | $58.1bn | 0.303% | +0.133 pp | +15.4% | No |
| Sep 2019 | $56.7bn | 0.301% | +0.131 pp | +5.7% | No |
| Aug 2019 | $59.5bn | 0.324% | +0.165 pp | +20.2% | Yes |
| Jul 2019 | $59.1bn | 0.315% | +0.044 pp | +26.3% | Yes |
| Jun 2019 | $59.8bn | 0.322% | +0.048 pp | +31.4% | Yes |
| May 2019 | $53.4bn | 0.311% | +0.057 pp | +26.4% | 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.