Observatory · observe first
Regeneron Pharmaceuticals
REGN · United States · Biotechnology · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.190%
12M weight contribution
+0.006 pp
3M weight contribution
-0.010 pp
12M price return
+30.7%
Share of matched S&P 500 members
Monthly observations through Dec 2021
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 |
|---|---|---|---|---|---|
| Dec 2021 | $59.3bn | 0.190% | +0.006 pp | +30.7% | No |
| Nov 2021 | $59.8bn | 0.202% | -0.004 pp | +23.4% | Yes |
| Oct 2021 | $60.1bn | 0.201% | -0.041 pp | +17.7% | Yes |
| Sep 2021 | $56.9bn | 0.200% | +0.199 pp | +8.1% | Yes |
| Aug 2021 | $63.3bn | 0.212% | +0.211 pp | +8.6% | Yes |
| Jul 2021 | $54.0bn | 0.185% | +0.185 pp | -9.1% | Yes |
| Jun 2021 | $52.5bn | 0.185% | +0.185 pp | -10.4% | Yes |
| May 2021 | $47.2bn | 0.169% | +0.169 pp | -18.0% | Yes |
| Apr 2021 | $45.2bn | 0.164% | -0.113 pp | -8.5% | Yes |
| Mar 2021 | $44.5bn | 0.087% | +0.087 pp | -3.1% | No |
| Feb 2021 | $42.3bn | 0.085% | +0.084 pp | +1.3% | No |
| Jan 2021 | $47.3bn | 0.113% | -0.043 pp | +49.1% | No |
| Dec 2020 | $45.4bn | 0.184% | +0.011 pp | +28.7% | Yes |
| Nov 2020 | $48.5bn | 0.206% | +0.031 pp | +39.8% | Yes |
| Oct 2020 | $51.1bn | 0.242% | +0.092 pp | +77.5% | Yes |
| Sep 2020 | $52.6bn | 0.000% | -0.138 pp | +101.8% | No |
| Aug 2020 | $58.2bn | 0.000% | -0.148 pp | +113.7% | No |
| Jul 2020 | $59.4bn | 0.000% | -0.152 pp | +107.4% | No |
| Jun 2020 | $58.6bn | 0.000% | -0.158 pp | +99.2% | No |
| May 2020 | $57.6bn | 0.000% | -0.165 pp | +103.1% | No |
| Apr 2020 | $49.4bn | 0.277% | +0.097 pp | +53.3% | Yes |
| Mar 2020 | $45.9bn | 0.000% | -0.221 pp | +18.9% | No |
| Feb 2020 | $41.8bn | 0.000% | -0.234 pp | +3.2% | No |
| Jan 2020 | $31.8bn | 0.157% | +0.024 pp | -21.3% | 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.