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%-5.23 ppHealth Care Equipment0.00%-3.42 ppBiotechnology0.00%-2.32 ppLife Sciences Tools & Services0.00%-1.79 ppManaged Health Care0.00%-1.70 ppHealth Care Services0.00%-0.94 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 Health Care Supplies
Health Care Supplies · weight
0.00%
Industry change · 12M
-0.10 pp
Health Care Supplies · contribution
-0.096 pp
Company participation
33%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Sep 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 |
|---|---|---|---|---|---|---|---|
| Align Technology → ALGN | United States | $25.8bn | 0.000% | +0.000 pp | -0.077 pp | +80.9% | No |
| Cooper Companies (The) → COO | United States | $4.5bn | 0.000% | +0.000 pp | -0.020 pp | +13.5% | No |
| West Pharmaceutical Services → WST | United States | $20.3bn | 0.000% | +0.000 pp | +0.000 pp | +94.6% | 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.