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
Pharmaceuticals0.01%-5.23 ppHealth Care Equipment0.00%-3.42 ppBiotechnology0.00%-2.32 ppLife Sciences Tools & Services0.00%-1.79 ppManaged Health Care0.00%-1.70 ppHealth Care Services0.00%-0.94 ppHealth Care Distributors0.00%-0.35 ppHealth Care Facilities0.00%-0.22 ppHealth Care Supplies0.00%-0.10 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Health Care Services
Health Care Services · weight
0.00%
Industry change · 12M
-0.94 pp
Health Care Services · contribution
-0.939 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Sep 2020 · 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 | $76.4bn | 0.000% | -0.000 pp | -0.435 pp | -4.5% | No |
| Cigna → CI | United States | $62.2bn | 0.000% | -0.000 pp | -0.304 pp | +11.6% | No |
| Quest Diagnostics → DGX | United States | $15.4bn | 0.000% | -0.000 pp | -0.076 pp | +9.4% | No |
| Labcorp → LH | United States | $15.8bn | 0.000% | +0.000 pp | -0.075 pp | +12.1% | No |
| DaVita → DVA | United States | $10.4bn | 0.000% | -0.000 pp | -0.049 pp | +50.1% | 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.