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
Pharmaceuticals0.01%-5.35 ppHealth Care Equipment0.00%-3.54 ppBiotechnology0.00%-2.36 ppManaged Health Care0.00%-1.88 ppLife Sciences Tools & Services0.00%-1.78 ppHealth Care Services0.00%-0.95 ppHealth Care Distributors0.00%-0.35 ppHealth Care Facilities0.00%-0.22 ppHealth Care Supplies0.00%-0.10 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Biotechnology
Biotechnology · weight
0.00%
Industry change · 12M
-2.36 pp
Biotechnology · contribution
-2.360 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Aug 2020 · 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 |
|---|---|---|---|---|---|---|---|
| Amgen → AMGN | United States | $148.4bn | 0.001% | -0.000 pp | -0.680 pp | +24.8% | No |
| AbbVie → ABBV | United States | $169.0bn | 0.001% | +0.000 pp | -0.528 pp | +53.9% | No |
| Gilead Sciences → GILD | United States | $83.7bn | 0.000% | -0.000 pp | -0.437 pp | +9.0% | No |
| Vertex Pharmaceuticals → VRTX | United States | $72.7bn | 0.000% | -0.000 pp | -0.251 pp | +55.0% | No |
| Biogen → BIIB | United States | $45.5bn | 0.000% | -0.000 pp | -0.220 pp | +30.9% | No |
| Regeneron Pharmaceuticals → REGN | United States | $58.2bn | 0.000% | -0.000 pp | -0.148 pp | +113.7% | No |
| Incyte → INCY | United States | $21.1bn | 0.000% | -0.000 pp | -0.096 pp | +17.8% | No |
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.