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
Pharmaceuticals6.36%+0.62 ppBiotechnology3.09%+0.60 ppManaged Health Care2.45%+0.51 ppHealth Care Equipment3.59%+0.40 ppLife Sciences Tools & Services2.01%+0.20 ppHealth Care Services1.07%+0.14 ppHealth Care Supplies0.12%-0.05 ppHealth Care Facilities0.21%-0.03 ppHealth Care Distributors0.37%+0.02 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Managed Health Care
Managed Health Care · weight
2.45%
Industry change · 12M
+0.51 pp
Managed Health Care · contribution
+0.512 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Apr 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 |
|---|---|---|---|---|---|---|---|
| UnitedHealth Group → UNH | United States | $277.4bn | 1.553% | +0.279 pp | +0.307 pp | +27.7% | Yes |
| Centene Corporation → CNC | United States | $38.6bn | 0.216% | +0.088 pp | +0.097 pp | +29.1% | Yes |
| Humana → HUM | United States | $50.5bn | 0.283% | +0.063 pp | +0.090 pp | +50.7% | Yes |
| Elevance Health → ELV | United States | $70.8bn | 0.396% | +0.064 pp | +0.019 pp | +8.1% | 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.