Observatory · observe first
Moderna
MRNA · United States · Biotechnology · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.020%
12M weight contribution
-0.040 pp
3M weight contribution
-0.003 pp
12M price return
-61.3%
Share of matched S&P 500 members
Monthly observations through Sep 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 |
|---|---|---|---|---|---|
| Sep 2025 | $10.0bn | 0.020% | -0.040 pp | -61.3% | No |
| Aug 2025 | $9.4bn | 0.019% | -0.052 pp | -68.9% | No |
| Jul 2025 | $11.4bn | 0.024% | -0.058 pp | -75.2% | No |
| Jun 2025 | $10.7bn | 0.023% | -0.062 pp | -76.8% | No |
| May 2025 | $10.3bn | 0.023% | -0.081 pp | -81.4% | No |
| Apr 2025 | $11.0bn | 0.026% | -0.096 pp | -74.1% | No |
| Mar 2025 | $10.9bn | 0.026% | -0.087 pp | -73.4% | No |
| Feb 2025 | $11.9bn | 0.027% | -0.074 pp | -66.4% | No |
| Jan 2025 | $15.2bn | 0.034% | -0.081 pp | -61.0% | No |
| Dec 2024 | $16.0bn | 0.036% | -0.077 pp | -58.2% | No |
| Nov 2024 | $16.6bn | 0.037% | -0.056 pp | -44.6% | No |
| Oct 2024 | $20.9bn | 0.049% | -0.049 pp | -28.4% | No |
| Sep 2024 | $25.7bn | 0.060% | -0.071 pp | -35.3% | No |
| Aug 2024 | $29.8bn | 0.072% | -0.065 pp | -31.5% | No |
| Jul 2024 | $45.7bn | 0.082% | -0.016 pp | +1.3% | No |
| Jun 2024 | $45.5bn | 0.085% | -0.022 pp | -2.3% | No |
| May 2024 | $54.6bn | 0.104% | -0.016 pp | +11.6% | No |
| Apr 2024 | $42.1bn | 0.122% | -0.051 pp | -17.0% | Yes |
| Mar 2024 | $40.7bn | 0.113% | -0.090 pp | -30.6% | Yes |
| Feb 2024 | $35.2bn | 0.101% | -0.088 pp | -33.5% | No |
| Jan 2024 | $38.5bn | 0.115% | -0.117 pp | -42.6% | Yes |
| Dec 2023 | $37.9bn | 0.113% | -0.136 pp | -44.6% | Yes |
| Nov 2023 | $29.6bn | 0.092% | -0.137 pp | -55.8% | No |
| Oct 2023 | $28.9bn | 0.098% | -0.110 pp | -49.5% | 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.