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

0.428%

12M weight contribution

-0.073 pp

3M weight contribution

+0.138 pp

12M price return

+0.8%

Share of matched S&P 500 members

Monthly observations through Aug 2023

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
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
May 2022	$138.0bn	0.497%	-0.038 pp	-0.2%	No
Apr 2022	$147.1bn	0.532%	-0.003 pp	+7.5%	No
Mar 2022	$174.0bn	0.586%	+0.297 pp	+26.4%	Yes
Feb 2022	$156.6bn	0.543%	+0.268 pp	+21.7%	Yes
Jan 2022	$157.2bn	0.529%	+0.210 pp	+26.2%	Yes
Dec 2021	$162.0bn	0.519%	-0.049 pp	+23.3%	Yes
Nov 2021	$151.5bn	0.512%	-0.072 pp	+17.1%	Yes
Oct 2021	$155.2bn	0.518%	-0.047 pp	+38.8%	Yes
Sep 2021	$127.8bn	0.449%	+0.448 pp	+1.5%	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.