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
Pharmaceuticals3.66%-1.84 ppBiotechnology1.76%-1.62 ppHealth Care Equipment1.88%-0.95 ppManaged Health Care1.35%-0.61 ppLife Sciences Tools & Services0.98%-0.53 ppHealth Care Services0.39%-0.32 ppHealth Care Distributors0.23%-0.28 ppHealth Care Supplies0.07%-0.06 ppHealth Care Facilities0.16%-0.04 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Health Care Services
Health Care Services · weight
0.39%
Industry change · 12M
-0.32 pp
Health Care Services · contribution
-0.316 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Nov 2018 · 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 |
|---|---|---|---|---|---|---|---|
| CVS Health → CVS | United States | $81.7bn | 0.271% | +0.024 pp | -0.183 pp | +4.2% | No |
| DaVita → DVA | United States | $11.0bn | 0.036% | -0.001 pp | -0.045 pp | -15.4% | No |
| Labcorp → LH | United States | $12.6bn | 0.042% | -0.007 pp | -0.045 pp | -16.5% | No |
| Quest Diagnostics → DGX | United States | $12.1bn | 0.040% | -0.008 pp | -0.042 pp | -15.1% | 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.