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
Pharmaceuticals4.84%-0.57 ppBiotechnology2.27%-0.29 ppLife Sciences Tools & Services1.98%+0.19 ppHealth Care Services0.85%-0.18 ppHealth Care Supplies0.27%+0.15 ppManaged Health Care2.03%-0.08 ppHealth Care Distributors0.30%-0.03 ppHealth Care Facilities0.23%-0.02 ppHealth Care Equipment3.34%-0.01 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Managed Health Care
Managed Health Care · weight
2.03%
Industry change · 12M
-0.08 pp
Managed Health Care · contribution
-0.077 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Dec 2020 · 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 |
|---|---|---|---|---|---|---|---|
| Elevance Health → ELV | United States | $79.9bn | 0.323% | +0.323 pp | -0.053 pp | +7.7% | Yes |
| UnitedHealth Group → UNH | United States | $332.7bn | 1.347% | +1.345 pp | -0.020 pp | +21.3% | Yes |
| Humana → HUM | United States | $54.3bn | 0.220% | +0.219 pp | -0.018 pp | +12.7% | Yes |
| Centene Corporation → CNC | United States | $34.8bn | 0.141% | +0.141 pp | +0.013 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.