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
Pharmaceuticals5.61%+1.00 ppBiotechnology2.57%+0.50 ppManaged Health Care2.50%+0.40 ppHealth Care Supplies0.18%-0.10 ppHealth Care Distributors0.39%+0.10 ppLife Sciences Tools & Services2.06%+0.06 ppHealth Care Facilities0.22%-0.03 ppHealth Care Equipment3.11%-0.02 ppHealth Care Services0.93%+0.01 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Managed Health Care
Managed Health Care · weight
2.50%
Industry change · 12M
+0.40 pp
Managed Health Care · contribution
+0.402 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
May 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 | $466.1bn | 1.678% | +0.125 pp | +0.286 pp | +22.2% | Yes |
| Elevance Health → ELV | United States | $122.9bn | 0.442% | +0.064 pp | +0.093 pp | +29.5% | Yes |
| Centene Corporation → CNC | United States | $47.6bn | 0.172% | +0.004 pp | +0.018 pp | +10.7% | Yes |
| Humana → HUM | United States | $57.5bn | 0.207% | +0.016 pp | +0.005 pp | +4.5% | 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.