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
Managed Health Care2.03%-0.53 ppHealth Care Services0.66%-0.25 ppPharmaceuticals5.26%+0.22 ppLife Sciences Tools & Services1.77%-0.21 ppHealth Care Equipment2.95%+0.09 ppHealth Care Supplies0.20%+0.04 ppHealth Care Facilities0.24%+0.04 ppBiotechnology2.41%+0.02 ppHealth Care Distributors0.39%-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
-0.53 pp
Managed Health Care · contribution
-0.532 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Aug 2023 · 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 | $441.5bn | 1.407% | +0.286 pp | -0.332 pp | -7.0% | Yes |
| Elevance Health → ELV | United States | $104.2bn | 0.332% | +0.070 pp | -0.085 pp | -7.8% | Yes |
| Centene Corporation → CNC | United States | $33.4bn | 0.106% | +0.022 pp | -0.080 pp | -31.3% | Yes |
| Humana → HUM | United States | $57.2bn | 0.182% | +0.027 pp | -0.036 pp | -3.5% | 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.