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
Pharmaceuticals3.82%-0.88 ppManaged Health Care1.39%-0.68 ppBiotechnology1.79%-0.61 ppLife Sciences Tools & Services1.15%-0.49 ppHealth Care Equipment2.43%-0.46 ppHealth Care Services0.41%-0.28 ppHealth Care Distributors0.35%-0.06 ppHealth Care Facilities0.17%-0.04 ppHealth Care Technology0.03%+0.03 ppHealth Care Supplies0.13%-0.02 pp
3 · Sub-industry
Inside Managed Health Care
Managed Health Care · weight
1.39%
Industry change · 12M
-0.68 pp
Managed Health Care · contribution
-0.681 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Dec 2024 · 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 | $465.5bn | 1.056% | -0.201 pp | -0.396 pp | -2.4% | No |
| Elevance Health → ELV | United States | $85.6bn | 0.194% | -0.087 pp | -0.136 pp | -20.7% | No |
| Humana → HUM | United States | $30.5bn | 0.069% | -0.020 pp | -0.099 pp | -44.0% | No |
| Centene Corporation → CNC | United States | $30.6bn | 0.069% | -0.023 pp | -0.049 pp | -18.4% | 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.