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
Pharmaceuticals3.70%-2.35 ppManaged Health Care1.49%-1.26 ppBiotechnology1.65%-1.11 ppLife Sciences Tools & Services1.23%-0.87 ppHealth Care Equipment2.33%-0.72 ppHealth Care Services0.50%-0.46 ppHealth Care Distributors0.30%-0.09 ppHealth Care Supplies0.14%-0.04 ppHealth Care Facilities0.19%+0.00 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Managed Health Care
Managed Health Care · weight
1.49%
Industry change · 12M
-1.26 pp
Managed Health Care · contribution
-1.256 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jun 2023 · 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 |
|---|---|---|---|---|---|---|---|
| UnitedHealth Group → UNH | United States | $447.5bn | 1.035% | -0.469 pp | -0.839 pp | -5.1% | No |
| Elevance Health → ELV | United States | $105.3bn | 0.244% | -0.129 pp | -0.209 pp | -6.9% | No |
| Centene Corporation → CNC | United States | $37.0bn | 0.086% | -0.033 pp | -0.107 pp | -20.3% | No |
| Humana → HUM | United States | $55.9bn | 0.129% | -0.078 pp | -0.101 pp | -3.8% | 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.