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
Pharmaceuticals4.77%-0.49 ppLife Sciences Tools & Services1.42%-0.35 ppHealth Care Equipment2.61%-0.35 ppManaged Health Care1.83%-0.20 ppBiotechnology2.26%-0.15 ppHealth Care Services0.54%-0.13 ppHealth Care Supplies0.15%-0.05 ppHealth Care Technology0.03%+0.03 ppHealth Care Distributors0.38%-0.01 ppHealth Care Facilities0.25%+0.01 pp
3 · Sub-industry
Inside Managed Health Care
Managed Health Care · weight
1.83%
Industry change · 12M
-0.20 pp
Managed Health Care · contribution
-0.195 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Aug 2024 · 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 | $545.0bn | 1.317% | +0.445 pp | -0.090 pp | +25.8% | Yes |
| Humana → HUM | United States | $42.7bn | 0.103% | +0.021 pp | -0.079 pp | -22.5% | Yes |
| Elevance Health → ELV | United States | $129.1bn | 0.312% | +0.073 pp | -0.020 pp | +27.6% | Yes |
| Centene Corporation → CNC | United States | $41.5bn | 0.100% | +0.027 pp | -0.006 pp | +27.9% | 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.