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
0.174%
12M weight contribution
-0.045 pp
3M weight contribution
+0.005 pp
12M price return
+36.4%
Share of matched S&P 500 members
Monthly observations through Jan 2019
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 |
|---|---|---|---|---|---|
| Jan 2019 | $52.8bn | 0.174% | -0.045 pp | +36.4% | Yes |
| Dec 2018 | $48.9bn | 0.175% | -0.044 pp | +26.4% | No |
| Nov 2018 | $52.1bn | 0.173% | -0.046 pp | +34.7% | No |
| Oct 2018 | $50.0bn | 0.170% | -0.049 pp | +29.3% | No |
| Sep 2018 | $53.2bn | 0.170% | -0.049 pp | +37.7% | No |
| Aug 2018 | $49.2bn | 0.159% | -0.060 pp | +27.2% | No |
| Jul 2018 | $46.5bn | 0.271% | +0.052 pp | +20.2% | Yes |
| Jun 2018 | $45.1bn | 0.274% | +0.055 pp | +17.0% | Yes |
| May 2018 | $41.9bn | 0.254% | +0.035 pp | +8.7% | Yes |
| Apr 2018 | $39.5bn | 0.243% | +0.024 pp | +2.7% | Yes |
| Mar 2018 | $37.6bn | 0.230% | +0.011 pp | -2.3% | Yes |
| Feb 2018 | $37.5bn | 0.225% | +0.006 pp | -2.5% | Yes |
| Jan 2018 | $38.4bn | 0.219% | +0.000 pp | +0.0% | No |
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.