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
Pharmaceuticals5.55%+0.89 ppManaged Health Care2.57%+0.50 ppBiotechnology2.81%+0.44 ppHealth Care Equipment2.88%-0.34 ppLife Sciences Tools & Services1.98%-0.32 ppHealth Care Supplies0.12%-0.17 ppHealth Care Services0.94%+0.15 ppHealth Care Distributors0.41%+0.14 ppHealth Care Facilities0.23%-0.01 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Managed Health Care
Managed Health Care · weight
2.57%
Industry change · 12M
+0.50 pp
Managed Health Care · contribution
+0.503 pp
Company participation
50%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Nov 2022 · 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 | $511.8bn | 1.737% | -0.002 pp | +0.323 pp | +24.9% | No |
| Elevance Health → ELV | United States | $127.3bn | 0.432% | +0.015 pp | +0.099 pp | +32.6% | Yes |
| Humana → HUM | United States | $69.6bn | 0.236% | +0.018 pp | +0.054 pp | +31.9% | Yes |
| Centene Corporation → CNC | United States | $49.3bn | 0.167% | -0.019 pp | +0.027 pp | +21.9% | No |
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.