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
Pharmaceuticals6.06%+1.38 ppManaged Health Care2.75%+0.73 ppBiotechnology2.76%+0.64 ppHealth Care Distributors0.40%+0.11 ppHealth Care Supplies0.17%-0.11 ppHealth Care Equipment3.05%-0.11 ppHealth Care Services0.96%+0.10 ppHealth Care Facilities0.19%-0.05 ppLife Sciences Tools & Services2.10%-0.01 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Health Care Supplies
Health Care Supplies · weight
0.17%
Industry change · 12M
-0.11 pp
Health Care Supplies · contribution
-0.107 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jun 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 | $18.7bn | 0.073% | -0.043 pp | -0.098 pp | -61.3% | No |
| West Pharmaceutical Services → WST | United States | $22.4bn | 0.087% | -0.016 pp | -0.006 pp | -15.6% | No |
| Cooper Companies (The) → COO | United States | $3.9bn | 0.015% | -0.002 pp | -0.002 pp | -21.0% | 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.