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
Pharmaceuticals3.42%-1.86 ppManaged Health Care1.47%-1.06 ppLife Sciences Tools & Services1.21%-0.89 ppBiotechnology1.62%-0.79 ppHealth Care Equipment2.16%-0.76 ppHealth Care Services0.49%-0.39 ppHealth Care Distributors0.27%-0.09 ppHealth Care Facilities0.16%-0.05 ppHealth Care Supplies0.13%-0.04 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Health Care Supplies
Health Care Supplies · weight
0.13%
Industry change · 12M
-0.04 pp
Health Care Supplies · contribution
-0.045 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jul 2023 · 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 |
|---|---|---|---|---|---|---|---|
| West Pharmaceutical Services → WST | United States | $27.2bn | 0.059% | -0.031 pp | -0.028 pp | +7.4% | No |
| Align Technology → ALGN | United States | $28.9bn | 0.063% | -0.021 pp | -0.013 pp | +34.5% | No |
| Cooper Companies (The) → COO | United States | $4.8bn | 0.011% | -0.005 pp | -0.003 pp | +19.7% | 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.