Universe›Communication Services›Integrated Telecommunication Services›Integrated Telecommunication Services›AT&T
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
0.362%
12M weight contribution
-0.004 pp
3M weight contribution
-0.072 pp
12M price return
+17.4%
Share of matched S&P 500 members
Monthly observations through Nov 2025
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 |
|---|---|---|---|---|---|
| Nov 2025 | $184.5bn | 0.362% | -0.004 pp | +17.4% | No |
| Oct 2025 | $175.5bn | 0.344% | -0.036 pp | +14.7% | No |
| Sep 2025 | $201.9bn | 0.404% | +0.037 pp | +34.4% | No |
| Aug 2025 | $209.4bn | 0.434% | +0.089 pp | +54.1% | No |
| Jul 2025 | $196.0bn | 0.413% | +0.166 pp | +49.1% | No |
| Jun 2025 | $208.2bn | 0.449% | +0.192 pp | +59.3% | Yes |
| May 2025 | $200.0bn | 0.453% | +0.204 pp | +60.5% | Yes |
| Apr 2025 | $199.3bn | 0.479% | +0.129 pp | +72.6% | Yes |
| Mar 2025 | $203.0bn | 0.482% | +0.133 pp | +70.0% | Yes |
| Feb 2025 | $196.8bn | 0.440% | +0.093 pp | +71.3% | Yes |
| Jan 2025 | $170.3bn | 0.379% | +0.003 pp | +41.9% | Yes |
| Dec 2024 | $163.4bn | 0.370% | +0.013 pp | +44.1% | Yes |
| Nov 2024 | $166.2bn | 0.367% | -0.003 pp | +48.4% | Yes |
| Oct 2024 | $161.7bn | 0.380% | +0.006 pp | +55.4% | Yes |
| Sep 2024 | $157.7bn | 0.367% | +0.009 pp | +56.5% | Yes |
| Aug 2024 | $142.7bn | 0.345% | +0.008 pp | +43.8% | Yes |
| Jul 2024 | $138.0bn | 0.247% | +0.021 pp | +41.7% | No |
| Jun 2024 | $137.0bn | 0.257% | -0.007 pp | +28.4% | No |
| May 2024 | $130.6bn | 0.250% | -0.028 pp | +24.1% | No |
| Apr 2024 | $120.8bn | 0.350% | -0.076 pp | +2.4% | No |
| Mar 2024 | $125.9bn | 0.349% | -0.119 pp | -2.2% | No |
| Feb 2024 | $121.1bn | 0.347% | -0.127 pp | -4.3% | No |
| Jan 2024 | $126.5bn | 0.376% | -0.121 pp | -7.2% | Yes |
| Dec 2023 | $120.0bn | 0.358% | -0.116 pp | -2.7% | 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.