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
Life Sciences Tools & Services2.30%+0.31 ppManaged Health Care2.22%+0.19 ppBiotechnology2.33%+0.06 ppHealth Care Facilities0.26%+0.03 ppHealth Care Supplies0.29%+0.02 ppHealth Care Equipment3.33%-0.02 ppHealth Care Services0.87%+0.01 ppPharmaceuticals4.84%-0.01 ppHealth Care Distributors0.29%-0.00 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Managed Health Care
Managed Health Care · weight
2.22%
Industry change · 12M
+0.19 pp
Managed Health Care · contribution
+0.190 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Dec 2021 · 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 | $472.9bn | 1.515% | +0.221 pp | +0.168 pp | +45.2% | Yes |
| Elevance Health → ELV | United States | $112.5bn | 0.360% | +0.041 pp | +0.037 pp | +46.1% | Yes |
| Humana → HUM | United States | $59.6bn | 0.191% | +0.015 pp | -0.029 pp | +13.8% | Yes |
| Centene Corporation → CNC | United States | $48.1bn | 0.154% | +0.026 pp | +0.013 pp | +37.3% | 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.