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
0.317%
12M weight contribution
+0.031 pp
3M weight contribution
-0.125 pp
12M price return
+38.9%
Share of matched S&P 500 members
Monthly observations through Jul 2024
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 2024 | $177.0bn | 0.317% | +0.031 pp | +38.9% | No |
| Jun 2024 | $158.9bn | 0.298% | +0.017 pp | +34.8% | No |
| May 2024 | $153.3bn | 0.293% | +0.005 pp | +35.3% | No |
| Apr 2024 | $152.7bn | 0.442% | +0.054 pp | +37.6% | No |
| Mar 2024 | $175.1bn | 0.486% | +0.080 pp | +52.4% | Yes |
| Feb 2024 | $169.6bn | 0.486% | +0.074 pp | +49.7% | Yes |
| Jan 2024 | $167.7bn | 0.499% | +0.082 pp | +43.1% | Yes |
| Dec 2023 | $149.3bn | 0.445% | -0.014 pp | +21.8% | Yes |
| Nov 2023 | $144.8bn | 0.451% | -0.005 pp | +11.8% | Yes |
| Oct 2023 | $132.1bn | 0.449% | +0.005 pp | +9.8% | Yes |
| Sep 2023 | $127.8bn | 0.427% | +0.005 pp | +24.0% | Yes |
| Aug 2023 | $133.8bn | 0.426% | +0.011 pp | +20.1% | Yes |
| Jul 2023 | $131.3bn | 0.286% | -0.120 pp | +15.9% | No |
| Jun 2023 | $121.5bn | 0.281% | -0.213 pp | -0.4% | No |
| May 2023 | $116.8bn | 0.288% | -0.161 pp | -2.6% | No |
| Apr 2023 | $114.8bn | 0.388% | -0.042 pp | +0.4% | No |
| Mar 2023 | $118.9bn | 0.406% | +0.012 pp | +5.8% | No |
| Feb 2023 | $117.3bn | 0.412% | +0.030 pp | +10.8% | No |
| Jan 2023 | $121.8bn | 0.417% | +0.014 pp | +5.9% | No |
| Dec 2022 | $127.4bn | 0.460% | +0.076 pp | +10.6% | Yes |
| Nov 2022 | $134.6bn | 0.457% | +0.102 pp | +33.5% | Yes |
| Oct 2022 | $125.0bn | 0.444% | +0.086 pp | +21.5% | Yes |
| Sep 2022 | $107.3bn | 0.422% | +0.004 pp | -6.0% | No |
| Aug 2022 | $116.0bn | 0.415% | +0.013 pp | +0.6% | 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.