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
Health Care Equipment1.52%-1.02 ppPharmaceuticals4.10%+0.62 ppBiotechnology1.85%+0.08 ppLife Sciences Tools & Services0.83%-0.07 ppHealth Care Distributors0.37%-0.06 ppHealth Care Facilities0.15%-0.05 ppHealth Care Technology0.07%+0.05 ppHealth Care Services0.46%-0.03 ppManaged Health Care0.94%+0.02 ppHealth Care Supplies0.09%-0.00 pp
3 · Sub-industry
Inside Managed Health Care
Managed Health Care · weight
0.94%
Industry change · 12M
+0.02 pp
Managed Health Care · contribution
+0.018 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jun 2026 · 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 | $377.5bn | 0.656% | +0.298 pp | +0.046 pp | +36.8% | Yes |
| Elevance Health → ELV | United States | $84.0bn | 0.146% | +0.052 pp | -0.044 pp | +1.5% | Yes |
| Humana → HUM | United States | $47.7bn | 0.083% | +0.052 pp | +0.019 pp | +64.8% | Yes |
| Centene Corporation → CNC | United States | $31.7bn | 0.055% | +0.032 pp | -0.003 pp | +18.3% | 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.