Observatory · observe first
American International Group
AIG · United States · Multi-line Insurance · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.000%
12M weight contribution
-0.218 pp
3M weight contribution
-0.231 pp
12M price return
+0.1%
Share of matched S&P 500 members
Monthly observations through Feb 2020
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 |
|---|---|---|---|---|---|
| Feb 2020 | $36.8bn | 0.000% | -0.218 pp | +0.1% | No |
| Jan 2020 | $43.7bn | 0.216% | +0.090 pp | +19.2% | No |
| Dec 2019 | $44.7bn | 0.219% | +0.094 pp | +33.6% | No |
| Nov 2019 | $45.8bn | 0.231% | +0.104 pp | +25.2% | No |
| Oct 2019 | $46.1bn | 0.240% | +0.116 pp | +31.8% | No |
| Sep 2019 | $48.5bn | 0.257% | +0.107 pp | +7.5% | Yes |
| Aug 2019 | $45.3bn | 0.246% | +0.094 pp | +0.7% | Yes |
| Jul 2019 | $48.7bn | 0.259% | -0.030 pp | +4.3% | Yes |
| Jun 2019 | $46.3bn | 0.250% | -0.039 pp | +3.3% | Yes |
| May 2019 | $44.4bn | 0.259% | -0.029 pp | -0.5% | Yes |
| Apr 2019 | $41.4bn | 0.230% | -0.080 pp | -12.7% | Yes |
| Mar 2019 | $37.4bn | 0.215% | -0.086 pp | -18.6% | Yes |
| Feb 2019 | $37.6bn | 0.218% | -0.092 pp | -22.7% | Yes |
| Jan 2019 | $38.2bn | 0.126% | -0.202 pp | -30.6% | No |
| Dec 2018 | $34.9bn | 0.125% | -0.203 pp | -36.7% | No |
| Nov 2018 | $38.3bn | 0.127% | -0.201 pp | -31.1% | No |
| Oct 2018 | $36.7bn | 0.124% | -0.203 pp | -34.2% | No |
| Sep 2018 | $47.3bn | 0.151% | -0.177 pp | -15.2% | No |
| Aug 2018 | $47.2bn | 0.152% | -0.175 pp | -15.8% | No |
| Jul 2018 | $49.6bn | 0.289% | -0.039 pp | -12.6% | No |
| Jun 2018 | $47.6bn | 0.289% | -0.039 pp | -16.1% | No |
| May 2018 | $47.4bn | 0.288% | -0.040 pp | -16.9% | No |
| Apr 2018 | $50.5bn | 0.311% | -0.017 pp | -11.9% | No |
| Mar 2018 | $49.1bn | 0.301% | -0.026 pp | -14.4% | 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.