Observatory · observe first
Omnicom Group
OMC · United States · Advertising · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.038%
12M weight contribution
-0.016 pp
3M weight contribution
-0.009 pp
12M price return
-1.0%
Share of matched S&P 500 members
Monthly observations through Jan 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 |
|---|---|---|---|---|---|
| Jan 2025 | $16.9bn | 0.038% | -0.016 pp | -1.0% | No |
| Dec 2024 | $16.8bn | 0.038% | -0.013 pp | +2.5% | No |
| Nov 2024 | $20.4bn | 0.045% | -0.005 pp | +34.0% | Yes |
| Oct 2024 | $19.7bn | 0.046% | -0.004 pp | +39.0% | Yes |
| Sep 2024 | $20.2bn | 0.047% | -0.002 pp | +43.1% | Yes |
| Aug 2024 | $19.6bn | 0.047% | -0.004 pp | +28.1% | Yes |
| Jul 2024 | $19.2bn | 0.034% | -0.002 pp | +19.7% | No |
| Jun 2024 | $17.6bn | 0.033% | -0.011 pp | -2.6% | No |
| May 2024 | $18.2bn | 0.035% | -0.009 pp | +8.9% | No |
| Apr 2024 | $18.2bn | 0.053% | -0.008 pp | +5.9% | Yes |
| Mar 2024 | $19.2bn | 0.053% | -0.012 pp | +5.9% | Yes |
| Feb 2024 | $17.5bn | 0.050% | -0.014 pp | +0.8% | No |
| Jan 2024 | $17.9bn | 0.053% | -0.007 pp | +8.6% | Yes |
| Dec 2023 | $17.1bn | 0.051% | -0.009 pp | +9.6% | Yes |
| Nov 2023 | $16.0bn | 0.050% | -0.005 pp | +4.5% | Yes |
| Oct 2023 | $14.8bn | 0.050% | -0.002 pp | +6.5% | Yes |
| Sep 2023 | $14.7bn | 0.049% | -0.002 pp | +22.1% | Yes |
| Aug 2023 | $16.0bn | 0.051% | +0.002 pp | +25.4% | Yes |
| Jul 2023 | $16.7bn | 0.036% | -0.013 pp | +25.4% | No |
| Jun 2023 | $19.0bn | 0.044% | -0.007 pp | +54.9% | No |
| May 2023 | $17.6bn | 0.043% | -0.012 pp | +22.7% | No |
| Apr 2023 | $18.1bn | 0.061% | +0.004 pp | +23.5% | Yes |
| Mar 2023 | $19.1bn | 0.065% | +0.006 pp | +15.3% | Yes |
| Feb 2023 | $18.4bn | 0.065% | +0.004 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.