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
0.272%
12M weight contribution
-0.018 pp
3M weight contribution
-0.172 pp
12M price return
+23.7%
Share of matched S&P 500 members
Monthly observations through May 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 |
|---|---|---|---|---|---|
| May 2024 | $142.0bn | 0.272% | -0.018 pp | +23.7% | No |
| Apr 2024 | $144.7bn | 0.419% | +0.016 pp | +24.0% | No |
| Mar 2024 | $150.0bn | 0.416% | -0.004 pp | +25.1% | No |
| Feb 2024 | $154.7bn | 0.443% | -0.003 pp | +25.3% | Yes |
| Jan 2024 | $148.7bn | 0.442% | +0.013 pp | +22.5% | Yes |
| Dec 2023 | $149.7bn | 0.447% | -0.013 pp | +21.6% | Yes |
| Nov 2023 | $137.3bn | 0.428% | -0.026 pp | +6.3% | Yes |
| Oct 2023 | $126.6bn | 0.430% | +0.000 pp | +8.0% | Yes |
| Sep 2023 | $124.1bn | 0.414% | -0.064 pp | +7.2% | Yes |
| Aug 2023 | $134.4bn | 0.428% | -0.073 pp | +0.8% | Yes |
| Jul 2023 | $141.4bn | 0.308% | -0.180 pp | +4.7% | No |
| Jun 2023 | $124.8bn | 0.289% | -0.232 pp | -1.6% | No |
| May 2023 | $117.4bn | 0.290% | -0.207 pp | -10.2% | No |
| Apr 2023 | $119.3bn | 0.403% | -0.129 pp | -14.4% | No |
| Mar 2023 | $123.1bn | 0.420% | -0.166 pp | -24.5% | No |
| Feb 2023 | $126.8bn | 0.446% | -0.098 pp | -13.6% | No |
| Jan 2023 | $125.5bn | 0.430% | -0.099 pp | -14.6% | No |
| Dec 2022 | $127.3bn | 0.459% | -0.059 pp | -15.9% | No |
| Nov 2022 | $133.7bn | 0.454% | -0.058 pp | -5.8% | No |
| Oct 2022 | $121.2bn | 0.430% | -0.088 pp | -16.6% | No |
| Sep 2022 | $121.7bn | 0.478% | +0.029 pp | +1.5% | No |
| Aug 2022 | $140.2bn | 0.502% | +0.029 pp | +5.8% | No |
| Jul 2022 | $141.9bn | 0.488% | -0.001 pp | +6.0% | No |
| Jun 2022 | $133.9bn | 0.521% | +0.005 pp | -1.0% | 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.