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
Pharmaceuticals3.42%-1.86 ppManaged Health Care1.47%-1.06 ppLife Sciences Tools & Services1.21%-0.89 ppBiotechnology1.62%-0.79 ppHealth Care Equipment2.16%-0.76 ppHealth Care Services0.49%-0.39 ppHealth Care Distributors0.27%-0.09 ppHealth Care Facilities0.16%-0.05 ppHealth Care Supplies0.13%-0.04 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Managed Health Care
Managed Health Care · weight
1.47%
Industry change · 12M
-1.06 pp
Managed Health Care · contribution
-1.062 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jul 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 | $471.4bn | 1.028% | -0.523 pp | -0.721 pp | -5.3% | No |
| Elevance Health → ELV | United States | $111.1bn | 0.242% | -0.133 pp | -0.151 pp | -0.0% | No |
| Centene Corporation → CNC | United States | $36.9bn | 0.080% | -0.047 pp | -0.105 pp | -26.8% | No |
| Humana → HUM | United States | $57.1bn | 0.124% | -0.099 pp | -0.085 pp | -4.6% | 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.