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
Pharmaceuticals0.00%-6.10 ppHealth Care Equipment0.00%-3.32 ppBiotechnology0.00%-2.84 ppManaged Health Care0.00%-2.16 ppLife Sciences Tools & Services0.00%-1.82 ppHealth Care Services0.00%-1.01 ppHealth Care Distributors0.00%-0.39 ppHealth Care Facilities0.00%-0.28 ppHealth Care Supplies0.00%-0.14 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Health Care Services
Health Care Services · weight
0.00%
Industry change · 12M
-1.01 pp
Health Care Services · contribution
-1.013 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Feb 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 | $77.2bn | 0.000% | -0.493 pp | -0.434 pp | +5.7% | No |
| Cigna → CI | United States | $68.1bn | 0.000% | -0.376 pp | -0.384 pp | +4.9% | No |
| Labcorp → LH | United States | $14.7bn | 0.000% | -0.072 pp | -0.073 pp | +18.5% | No |
| Quest Diagnostics → DGX | United States | $14.2bn | 0.000% | -0.072 pp | -0.067 pp | +25.1% | No |
| DaVita → DVA | United States | $9.7bn | 0.000% | -0.047 pp | -0.055 pp | +36.4% | 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.