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
Managed Health Care2.56%+0.64 ppPharmaceuticals5.04%+0.30 ppLife Sciences Tools & Services1.99%-0.29 ppHealth Care Equipment2.86%-0.23 ppBiotechnology2.39%-0.17 ppHealth Care Supplies0.16%-0.16 ppHealth Care Distributors0.40%+0.13 ppHealth Care Services0.91%+0.10 ppHealth Care Facilities0.20%-0.07 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Health Care Supplies
Health Care Supplies · weight
0.16%
Industry change · 12M
-0.16 pp
Health Care Supplies · contribution
-0.158 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Aug 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 | $19.0bn | 0.068% | -0.011 pp | -0.119 pp | -65.6% | No |
| West Pharmaceutical Services → WST | United States | $22.0bn | 0.079% | -0.004 pp | -0.033 pp | -34.2% | No |
| Cooper Companies (The) → COO | United States | $3.5bn | 0.013% | -0.003 pp | -0.006 pp | -36.2% | 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.