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
Pharmaceuticals5.55%+0.91 ppManaged Health Care2.73%+0.59 ppHealth Care Equipment2.90%-0.54 ppLife Sciences Tools & Services1.91%-0.39 ppBiotechnology2.73%+0.38 ppHealth Care Supplies0.13%-0.16 ppHealth Care Distributors0.42%+0.15 ppHealth Care Services0.93%+0.12 ppHealth Care Facilities0.22%-0.05 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Health Care Supplies
Health Care Supplies · weight
0.13%
Industry change · 12M
-0.16 pp
Health Care Supplies · contribution
-0.162 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Oct 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 |
|---|---|---|---|---|---|---|---|
| Align Technology → ALGN | United States | $15.2bn | 0.054% | -0.022 pp | -0.111 pp | -68.9% | No |
| West Pharmaceutical Services → WST | United States | $17.0bn | 0.060% | -0.027 pp | -0.046 pp | -46.4% | No |
| Cooper Companies (The) → COO | United States | $3.4bn | 0.012% | -0.002 pp | -0.005 pp | -34.4% | 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.