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 Care1.83%-0.37 ppBiotechnology2.35%-0.34 ppLife Sciences Tools & Services1.64%-0.32 ppHealth Care Equipment2.96%-0.17 ppHealth Care Distributors0.43%+0.05 ppPharmaceuticals5.03%+0.03 ppHealth Care Services0.70%-0.02 ppHealth Care Supplies0.20%+0.01 ppHealth Care Facilities0.24%-0.00 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Managed Health Care
Managed Health Care · weight
1.83%
Industry change · 12M
-0.37 pp
Managed Health Care · contribution
-0.371 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Mar 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 | $456.1bn | 1.265% | -0.187 pp | -0.239 pp | +6.3% | No |
| Humana → HUM | United States | $41.8bn | 0.116% | -0.052 pp | -0.091 pp | -28.0% | No |
| Elevance Health → ELV | United States | $120.6bn | 0.335% | +0.004 pp | -0.038 pp | +14.2% | No |
| Centene Corporation → CNC | United States | $42.0bn | 0.116% | -0.002 pp | -0.002 pp | +24.2% | 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.