Observatory · observe first
IBM
IBM · United States · IT Consulting & Other Services · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.353%
12M weight contribution
-0.473 pp
3M weight contribution
-0.067 pp
12M price return
-27.4%
Share of matched S&P 500 members
Monthly observations through Dec 2018
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 |
|---|---|---|---|---|---|
| Dec 2018 | $98.8bn | 0.353% | -0.473 pp | -27.4% | No |
| Nov 2018 | $108.0bn | 0.359% | -0.468 pp | -20.7% | No |
| Oct 2018 | $100.3bn | 0.340% | -0.486 pp | -27.2% | No |
| Sep 2018 | $131.9bn | 0.420% | -0.406 pp | -4.7% | No |
| Aug 2018 | $127.8bn | 0.413% | -0.414 pp | -7.6% | No |
| Jul 2018 | $126.5bn | 0.738% | -0.089 pp | -9.6% | No |
| Jun 2018 | $122.6bn | 0.744% | -0.083 pp | -12.9% | No |
| May 2018 | $124.0bn | 0.752% | -0.074 pp | -11.9% | No |
| Apr 2018 | $127.2bn | 0.782% | -0.045 pp | -10.6% | No |
| Mar 2018 | $135.1bn | 0.829% | +0.003 pp | -5.4% | Yes |
| Feb 2018 | $137.2bn | 0.822% | -0.004 pp | -3.9% | No |
| Jan 2018 | $144.9bn | 0.826% | +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.