Observatory · observe first

AT&T

T · United States · Integrated Telecommunication Services · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine
Historical observation
20182026
Universe weight
0.379%
12M weight contribution
+0.003 pp
3M weight contribution
-0.002 pp
12M price return
+41.9%

Share of matched S&P 500 members

Monthly observations through Jan 2025

0.00.61.120182019202020212022202320242025

Company price index

A separate dimension from market allocation

8111114120182019202020212022202320242025

Historical observations

Most recent 24 observations at or before the selected month

MonthMarket capUniverse weight12M weight change12M returnAbove 6M weight average
Jan 2025$170.3bn0.379%+0.003 pp+41.9%Yes
Dec 2024$163.4bn0.370%+0.013 pp+44.1%Yes
Nov 2024$166.2bn0.367%-0.003 pp+48.4%Yes
Oct 2024$161.7bn0.380%+0.006 pp+55.4%Yes
Sep 2024$157.7bn0.367%+0.009 pp+56.5%Yes
Aug 2024$142.7bn0.345%+0.008 pp+43.8%Yes
Jul 2024$138.0bn0.247%+0.021 pp+41.7%No
Jun 2024$137.0bn0.257%-0.007 pp+28.4%No
May 2024$130.6bn0.250%-0.028 pp+24.1%No
Apr 2024$120.8bn0.350%-0.076 pp+2.4%No
Mar 2024$125.9bn0.349%-0.119 pp-2.2%No
Feb 2024$121.1bn0.347%-0.127 pp-4.3%No
Jan 2024$126.5bn0.376%-0.121 pp-7.2%Yes
Dec 2023$120.0bn0.358%-0.116 pp-2.7%Yes
Nov 2023$118.5bn0.369%-0.097 pp-8.3%Yes
Oct 2023$110.1bn0.374%-0.087 pp-9.8%Yes
Sep 2023$107.4bn0.359%-0.071 pp+4.4%Yes
Aug 2023$105.7bn0.337%-0.110 pp-10.1%Yes
Jul 2023$103.8bn0.226%-0.236 pp-17.6%No
Jun 2023$114.0bn0.264%-0.320 pp-19.3%No
May 2023$112.5bn0.278%-0.271 pp-21.6%No
Apr 2023$126.0bn0.425%-0.062 pp-0.6%No
Mar 2023$137.3bn0.468%+0.039 pp+14.5%No
Feb 2023$134.8bn0.474%+0.031 pp+12.2%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.