Observatory · observe first
Vertex Pharmaceuticals
VRTX · United States · Biotechnology · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.214%
12M weight contribution
-0.075 pp
3M weight contribution
-0.034 pp
12M price return
-10.6%
Share of matched S&P 500 members
Monthly observations through Oct 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 |
|---|---|---|---|---|---|
| Oct 2025 | $109.1bn | 0.214% | -0.075 pp | -10.6% | No |
| Sep 2025 | $100.4bn | 0.201% | -0.078 pp | -15.8% | No |
| Aug 2025 | $100.3bn | 0.208% | -0.101 pp | -21.1% | No |
| Jul 2025 | $117.3bn | 0.247% | +0.018 pp | -7.8% | No |
| Jun 2025 | $114.3bn | 0.247% | +0.020 pp | -5.0% | No |
| May 2025 | $113.5bn | 0.257% | +0.033 pp | -2.9% | No |
| Apr 2025 | $130.8bn | 0.314% | +0.020 pp | +29.7% | Yes |
| Mar 2025 | $124.5bn | 0.296% | -0.004 pp | +16.0% | Yes |
| Feb 2025 | $123.2bn | 0.276% | -0.036 pp | +14.0% | Yes |
| Jan 2025 | $118.9bn | 0.264% | -0.068 pp | +6.5% | No |
| Dec 2024 | $103.7bn | 0.235% | -0.078 pp | -1.0% | No |
| Nov 2024 | $120.6bn | 0.266% | -0.019 pp | +31.9% | No |
| Oct 2024 | $122.9bn | 0.289% | -0.029 pp | +31.4% | Yes |
| Sep 2024 | $120.0bn | 0.279% | -0.020 pp | +33.7% | Yes |
| Aug 2024 | $128.0bn | 0.309% | +0.023 pp | +42.4% | Yes |
| Jul 2024 | $127.9bn | 0.229% | +0.031 pp | +40.7% | No |
| Jun 2024 | $121.0bn | 0.227% | +0.017 pp | +33.2% | No |
| May 2024 | $117.5bn | 0.225% | +0.019 pp | +40.7% | No |
| Apr 2024 | $101.5bn | 0.294% | -0.002 pp | +15.3% | No |
| Mar 2024 | $108.0bn | 0.299% | +0.023 pp | +32.7% | No |
| Feb 2024 | $108.7bn | 0.311% | +0.049 pp | +44.9% | Yes |
| Jan 2024 | $111.7bn | 0.332% | +0.048 pp | +34.1% | Yes |
| Dec 2023 | $104.8bn | 0.313% | +0.045 pp | +40.9% | Yes |
| Nov 2023 | $91.4bn | 0.285% | +0.009 pp | +12.1% | 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.