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
0.230%
12M weight contribution
+0.022 pp
3M weight contribution
+0.033 pp
12M price return
+39.3%
Share of matched S&P 500 members
Monthly observations through Aug 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 |
|---|---|---|---|---|---|
| Aug 2026 | $138.0bn | 0.230% | +0.022 pp | +39.3% | Yes |
| Jul 2026 | $121.1bn | 0.211% | -0.036 pp | +4.4% | Yes |
| Jun 2026 | $126.1bn | 0.219% | -0.027 pp | +11.6% | Yes |
| May 2026 | $113.6bn | 0.197% | -0.060 pp | +1.2% | Yes |
| Apr 2026 | $108.6bn | 0.147% | -0.167 pp | -16.1% | No |
| Mar 2026 | $113.4bn | 0.165% | -0.130 pp | -7.9% | No |
| Feb 2026 | $126.2bn | 0.173% | -0.102 pp | +3.6% | No |
| Jan 2026 | $119.2bn | 0.228% | -0.036 pp | +1.8% | Yes |
| Dec 2025 | $115.0bn | 0.225% | -0.010 pp | +12.6% | Yes |
| Nov 2025 | $110.0bn | 0.216% | -0.050 pp | -7.4% | No |
| 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 |
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.