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
Pharmaceuticals5.55%+0.91 ppManaged Health Care2.73%+0.59 ppHealth Care Equipment2.90%-0.54 ppLife Sciences Tools & Services1.91%-0.39 ppBiotechnology2.73%+0.38 ppHealth Care Supplies0.13%-0.16 ppHealth Care Distributors0.42%+0.15 ppHealth Care Services0.93%+0.12 ppHealth Care Facilities0.22%-0.05 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Managed Health Care
Managed Health Care · weight
2.73%
Industry change · 12M
+0.59 pp
Managed Health Care · contribution
+0.587 pp
Company participation
75%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Oct 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 | $519.3bn | 1.843% | +0.094 pp | +0.392 pp | +22.1% | Yes |
| Elevance Health → ELV | United States | $130.6bn | 0.463% | +0.070 pp | +0.111 pp | +27.0% | Yes |
| Humana → HUM | United States | $70.6bn | 0.251% | +0.041 pp | +0.052 pp | +21.3% | Yes |
| Centene Corporation → CNC | United States | $48.2bn | 0.171% | -0.014 pp | +0.032 pp | +19.5% | 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.