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%+0.89 ppManaged Health Care2.57%+0.50 ppBiotechnology2.81%+0.44 ppHealth Care Equipment2.88%-0.34 ppLife Sciences Tools & Services1.98%-0.32 ppHealth Care Supplies0.12%-0.17 ppHealth Care Services0.94%+0.15 ppHealth Care Distributors0.41%+0.14 ppHealth Care Facilities0.23%-0.01 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Health Care Supplies
Health Care Supplies · weight
0.12%
Industry change · 12M
-0.17 pp
Health Care Supplies · contribution
-0.165 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Nov 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 | $15.4bn | 0.052% | -0.016 pp | -0.111 pp | -67.8% | No |
| West Pharmaceutical Services → WST | United States | $17.4bn | 0.059% | -0.020 pp | -0.052 pp | -46.9% | No |
| Cooper Companies (The) → COO | United States | $3.9bn | 0.013% | +0.001 pp | -0.002 pp | -16.0% | 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.