Observatory · observe first
Moody's Corporation
MCO · United States · Financial Exchanges & Data · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.172%
12M weight contribution
-0.028 pp
3M weight contribution
-0.018 pp
12M price return
-1.1%
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 | $87.6bn | 0.172% | -0.028 pp | -1.1% | No |
| Oct 2025 | $85.7bn | 0.168% | -0.026 pp | +6.6% | No |
| Sep 2025 | $85.5bn | 0.171% | -0.030 pp | +1.1% | No |
| Aug 2025 | $91.5bn | 0.190% | -0.025 pp | +5.3% | No |
| Jul 2025 | $92.5bn | 0.195% | +0.046 pp | +13.8% | No |
| Jun 2025 | $90.2bn | 0.195% | +0.050 pp | +20.0% | No |
| May 2025 | $86.2bn | 0.195% | +0.057 pp | +21.6% | No |
| Apr 2025 | $81.5bn | 0.196% | -0.000 pp | +23.3% | No |
| Mar 2025 | $83.8bn | 0.199% | +0.000 pp | +19.4% | Yes |
| Feb 2025 | $90.7bn | 0.203% | +0.004 pp | +33.8% | Yes |
| Jan 2025 | $90.5bn | 0.201% | -0.012 pp | +28.4% | Yes |
| Dec 2024 | $85.8bn | 0.195% | -0.019 pp | +22.2% | Yes |
| Nov 2024 | $90.6bn | 0.200% | -0.008 pp | +38.1% | Yes |
| Oct 2024 | $82.3bn | 0.193% | +0.002 pp | +48.6% | Yes |
| Sep 2024 | $86.4bn | 0.201% | +0.007 pp | +51.4% | Yes |
| Aug 2024 | $88.8bn | 0.215% | +0.018 pp | +46.0% | Yes |
| Jul 2024 | $83.1bn | 0.149% | +0.008 pp | +30.5% | No |
| Jun 2024 | $76.9bn | 0.144% | -0.003 pp | +22.1% | No |
| May 2024 | $72.5bn | 0.139% | -0.005 pp | +26.4% | No |
| Apr 2024 | $67.6bn | 0.196% | +0.002 pp | +19.4% | No |
| Mar 2024 | $71.7bn | 0.199% | +0.008 pp | +29.6% | No |
| Feb 2024 | $69.2bn | 0.198% | +0.012 pp | +32.0% | No |
| Jan 2024 | $71.7bn | 0.213% | +0.011 pp | +22.6% | Yes |
| Dec 2023 | $71.5bn | 0.213% | +0.029 pp | +41.5% | 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.