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
Pharmaceuticals6.06%+1.38 ppManaged Health Care2.75%+0.73 ppBiotechnology2.76%+0.64 ppHealth Care Distributors0.40%+0.11 ppHealth Care Supplies0.17%-0.11 ppHealth Care Equipment3.05%-0.11 ppHealth Care Services0.96%+0.10 ppHealth Care Facilities0.19%-0.05 ppLife Sciences Tools & Services2.10%-0.01 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Managed Health Care
Managed Health Care · weight
2.75%
Industry change · 12M
+0.73 pp
Managed Health Care · contribution
+0.733 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jun 2022 · 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 | $481.9bn | 1.874% | +0.259 pp | +0.540 pp | +30.0% | Yes |
| Elevance Health → ELV | United States | $116.3bn | 0.452% | +0.053 pp | +0.122 pp | +27.8% | Yes |
| Centene Corporation → CNC | United States | $49.5bn | 0.192% | +0.027 pp | +0.042 pp | +16.0% | Yes |
| Humana → HUM | United States | $59.2bn | 0.230% | +0.045 pp | +0.029 pp | +6.4% | Yes |
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.