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
Pharmaceuticals4.75%+4.74 ppHealth Care Equipment3.24%+3.24 ppBiotechnology2.55%+2.55 ppLife Sciences Tools & Services2.21%+2.20 ppManaged Health Care1.98%+1.98 ppHealth Care Services0.83%+0.83 ppHealth Care Supplies0.31%+0.31 ppHealth Care Distributors0.29%+0.29 ppHealth Care Facilities0.28%+0.28 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Managed Health Care
Managed Health Care · weight
1.98%
Industry change · 12M
+1.98 pp
Managed Health Care · contribution
+1.978 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jul 2021 · 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 | $389.0bn | 1.334% | -0.032 pp | +1.332 pp | +38.2% | Yes |
| Elevance Health → ELV | United States | $93.6bn | 0.321% | -0.016 pp | +0.321 pp | +42.0% | Yes |
| Humana → HUM | United States | $54.7bn | 0.188% | -0.021 pp | +0.187 pp | +9.2% | Yes |
| Centene Corporation → CNC | United States | $40.0bn | 0.137% | +0.007 pp | +0.137 pp | +5.1% | 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.