Observatory · observe first
Follow the allocation change
Matched S&P 500 members → sector → industry → sub-industry → company. Each step uses the same percentage points.
Historical time machine
Historical observation
20182026
1 · Sector
Weight and 12M allocation change
2 · Industry
Inside Health Care
Pharmaceuticals5.63%+1.00 ppManaged Health Care2.70%+0.79 ppLife Sciences Tools & Services2.03%-0.24 ppHealth Care Supplies0.15%-0.16 ppHealth Care Services0.97%+0.15 ppHealth Care Equipment2.94%-0.15 ppBiotechnology2.65%+0.14 ppHealth Care Distributors0.41%+0.13 ppHealth Care Facilities0.21%-0.07 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Biotechnology
Biotechnology · weight
2.65%
Industry change · 12M
+0.14 pp
Biotechnology · contribution
+0.136 pp
Company participation
75%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Sep 2022 · sorted by absolute contribution to 12-month change
| Company | Country | Market cap | Universe weight | 3M contribution | 12M contribution | 12M price return | Above 6M weight average |
|---|---|---|---|---|---|---|---|
| Moderna → MRNA | United States | $46.3bn | 0.182% | -0.039 pp | -0.364 pp | -69.3% | No |
| AbbVie → ABBV | United States | $237.3bn | 0.933% | -0.120 pp | +0.263 pp | +29.5% | Yes |
| Vertex Pharmaceuticals → VRTX | United States | $74.3bn | 0.292% | +0.012 pp | +0.127 pp | +59.6% | Yes |
| Regeneron Pharmaceuticals → REGN | United States | $64.7bn | 0.254% | +0.038 pp | +0.055 pp | +13.8% | Yes |
| Amgen → AMGN | United States | $120.6bn | 0.474% | -0.032 pp | +0.050 pp | +9.5% | Yes |
| Incyte → INCY | United States | $14.8bn | 0.058% | -0.007 pp | +0.005 pp | -3.1% | No |
| Biogen → BIIB | United States | $38.7bn | 0.152% | +0.036 pp | +0.004 pp | -5.7% | Yes |
| Gilead Sciences → GILD | United States | $77.3bn | 0.304% | +0.002 pp | -0.004 pp | -7.5% | Yes |
Company contributions use weights among matched S&P 500 members and add through each level without rescaling. Companies without matched shares and prices are omitted. These observations do not establish official index weights or actual fund flows.