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
0.137%
12M weight contribution
-0.057 pp
3M weight contribution
+0.025 pp
12M price return
-8.9%
Share of matched S&P 500 members
Monthly observations through Jun 2026
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 |
|---|---|---|---|---|---|
| Jun 2026 | $79.1bn | 0.137% | -0.057 pp | -8.9% | Yes |
| May 2026 | $79.2bn | 0.137% | -0.058 pp | -4.6% | No |
| Apr 2026 | $80.7bn | 0.109% | -0.086 pp | +2.7% | No |
| Mar 2026 | $77.3bn | 0.113% | -0.086 pp | -5.6% | No |
| Feb 2026 | $84.7bn | 0.116% | -0.087 pp | -4.7% | No |
| Jan 2026 | $92.0bn | 0.176% | -0.025 pp | +4.0% | Yes |
| Dec 2025 | $91.1bn | 0.179% | -0.016 pp | +8.7% | No |
| 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 |
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.