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%-6.09 ppHealth Care Equipment0.00%-3.37 ppBiotechnology0.00%-2.70 ppManaged Health Care0.00%-2.12 ppLife Sciences Tools & Services0.00%-1.87 ppHealth Care Services0.00%-0.95 ppHealth Care Distributors0.00%-0.36 ppHealth Care Facilities0.00%-0.26 ppHealth Care Supplies0.00%-0.15 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Health Care Services
Health Care Services · weight
0.00%
Industry change · 12M
-0.95 pp
Health Care Services · contribution
-0.948 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Mar 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 | $77.4bn | 0.000% | -0.474 pp | -0.401 pp | +13.7% | No |
| Cigna → CI | United States | $65.9bn | 0.000% | -0.374 pp | -0.351 pp | +10.2% | No |
| Labcorp → LH | United States | $10.6bn | 0.000% | -0.069 pp | -0.074 pp | -17.4% | No |
| Quest Diagnostics → DGX | United States | $10.7bn | 0.000% | -0.071 pp | -0.069 pp | -8.8% | No |
| DaVita → DVA | United States | $9.6bn | 0.000% | -0.048 pp | -0.052 pp | +40.1% | 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.