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
Pharmaceuticals4.80%+2.43 ppHealth Care Equipment3.31%+1.65 ppManaged Health Care2.29%+1.35 ppBiotechnology2.39%+1.28 ppLife Sciences Tools & Services2.05%+1.06 ppHealth Care Services0.90%+0.48 ppHealth Care Distributors0.34%+0.20 ppHealth Care Facilities0.26%+0.15 ppHealth Care Supplies0.26%+0.12 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Managed Health Care
Managed Health Care · weight
2.29%
Industry change · 12M
+1.35 pp
Managed Health Care · contribution
+1.345 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Feb 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 | $447.7bn | 1.553% | +0.140 pp | +0.923 pp | +45.3% | Yes |
| Elevance Health → ELV | United States | $109.0bn | 0.378% | +0.045 pp | +0.230 pp | +50.8% | Yes |
| Centene Corporation → CNC | United States | $48.2bn | 0.167% | +0.026 pp | +0.099 pp | +41.1% | Yes |
| Humana → HUM | United States | $55.0bn | 0.191% | +0.009 pp | +0.093 pp | +15.1% | 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.