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
Pharmaceuticals5.46%+0.97 ppManaged Health Care2.54%+0.50 ppBiotechnology2.50%+0.42 ppLife Sciences Tools & Services2.04%+0.09 ppHealth Care Supplies0.18%-0.09 ppHealth Care Distributors0.38%+0.08 ppHealth Care Equipment3.17%-0.07 ppHealth Care Services0.91%+0.04 ppHealth Care Facilities0.24%-0.01 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Managed Health Care
Managed Health Care · weight
2.54%
Industry change · 12M
+0.50 pp
Managed Health Care · contribution
+0.500 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Apr 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 | $478.5bn | 1.730% | +0.233 pp | +0.364 pp | +29.2% | Yes |
| Elevance Health → ELV | United States | $121.0bn | 0.438% | +0.078 pp | +0.101 pp | +33.8% | Yes |
| Centene Corporation → CNC | United States | $47.1bn | 0.170% | +0.018 pp | +0.040 pp | +30.5% | Yes |
| Humana → HUM | United States | $56.2bn | 0.203% | +0.034 pp | -0.005 pp | +0.5% | 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.