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 Care2.54%+0.56 ppPharmaceuticals5.28%+0.53 ppHealth Care Equipment2.91%-0.33 ppBiotechnology2.41%-0.14 ppHealth Care Supplies0.18%-0.13 ppLife Sciences Tools & Services2.09%-0.11 ppHealth Care Distributors0.37%+0.07 ppHealth Care Facilities0.22%-0.07 ppHealth Care Services0.89%+0.05 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Health Care Supplies
Health Care Supplies · weight
0.18%
Industry change · 12M
-0.13 pp
Health Care Supplies · contribution
-0.134 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jul 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 | $22.1bn | 0.076% | -0.007 pp | -0.113 pp | -59.6% | No |
| West Pharmaceutical Services → WST | United States | $25.4bn | 0.087% | +0.003 pp | -0.017 pp | -16.4% | No |
| Cooper Companies (The) → COO | United States | $4.0bn | 0.014% | -0.002 pp | -0.004 pp | -22.5% | 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.