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
Biotechnology2.68%+0.35 ppPharmaceuticals5.20%+0.34 ppHealth Care Equipment2.94%-0.23 ppManaged Health Care2.37%+0.19 ppLife Sciences Tools & Services2.00%-0.11 ppHealth Care Distributors0.41%+0.10 ppHealth Care Supplies0.15%-0.09 ppHealth Care Services0.88%-0.02 ppHealth Care Facilities0.25%-0.00 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Managed Health Care
Managed Health Care · weight
2.37%
Industry change · 12M
+0.19 pp
Managed Health Care · contribution
+0.195 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jan 2023 · 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 | $466.4bn | 1.596% | -0.247 pp | +0.099 pp | +7.0% | No |
| Humana → HUM | United States | $64.8bn | 0.222% | -0.029 pp | +0.052 pp | +31.2% | No |
| Elevance Health → ELV | United States | $119.4bn | 0.409% | -0.055 pp | +0.049 pp | +14.6% | No |
| Centene Corporation → CNC | United States | $43.2bn | 0.148% | -0.023 pp | -0.005 pp | -2.0% | 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.