Observatory · observe first
Union Pacific Corporation
UNP · United States · Rail Transportation · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.535%
12M weight contribution
+0.534 pp
3M weight contribution
+0.259 pp
12M price return
+34.9%
Share of matched S&P 500 members
Monthly observations through May 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 |
|---|---|---|---|---|---|
| May 2021 | $149.3bn | 0.535% | +0.534 pp | +34.9% | Yes |
| Apr 2021 | $147.5bn | 0.535% | -0.072 pp | +41.8% | Yes |
| Mar 2021 | $147.6bn | 0.289% | +0.288 pp | +59.4% | No |
| Feb 2021 | $138.0bn | 0.276% | +0.275 pp | +31.5% | No |
| Jan 2021 | $133.1bn | 0.319% | -0.296 pp | +12.4% | No |
| Dec 2020 | $140.3bn | 0.568% | -0.048 pp | +17.6% | Yes |
| Nov 2020 | $137.5bn | 0.584% | -0.031 pp | +18.4% | Yes |
| Oct 2020 | $119.4bn | 0.565% | -0.033 pp | +9.5% | Yes |
| Sep 2020 | $133.6bn | 0.001% | -0.605 pp | +24.2% | No |
| Aug 2020 | $130.6bn | 0.001% | -0.620 pp | +21.5% | No |
| Jul 2020 | $117.7bn | 0.001% | -0.674 pp | -1.4% | No |
| Jun 2020 | $114.7bn | 0.001% | -0.645 pp | +2.3% | No |
| May 2020 | $115.3bn | 0.001% | -0.687 pp | +4.2% | No |
| Apr 2020 | $108.4bn | 0.607% | -0.091 pp | -7.7% | Yes |
| Mar 2020 | $97.4bn | 0.000% | -0.694 pp | -13.7% | No |
| Feb 2020 | $110.3bn | 0.000% | -0.702 pp | -2.5% | No |
| Jan 2020 | $124.6bn | 0.614% | +0.228 pp | +15.3% | Yes |
| Dec 2019 | $125.5bn | 0.616% | +0.252 pp | +33.7% | No |
| Nov 2019 | $122.2bn | 0.615% | +0.239 pp | +17.0% | No |
| Oct 2019 | $114.9bn | 0.599% | +0.234 pp | +15.7% | No |
| Sep 2019 | $114.1bn | 0.606% | +0.223 pp | +1.7% | No |
| Aug 2019 | $114.1bn | 0.621% | +0.261 pp | +9.9% | No |
| Jul 2019 | $126.8bn | 0.675% | +0.028 pp | +22.6% | No |
| Jun 2019 | $119.7bn | 0.645% | -0.017 pp | +21.9% | 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.