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
Pharmaceuticals4.23%-0.88 ppManaged Health Care1.59%-0.80 ppBiotechnology2.13%-0.34 ppLife Sciences Tools & Services1.24%-0.28 ppHealth Care Equipment2.52%-0.27 ppHealth Care Services0.49%-0.26 ppHealth Care Distributors0.34%-0.10 ppHealth Care Technology0.03%+0.03 ppHealth Care Facilities0.21%+0.01 ppHealth Care Supplies0.14%-0.00 pp
3 · Sub-industry
Inside Managed Health Care
Managed Health Care · weight
1.59%
Industry change · 12M
-0.80 pp
Managed Health Care · contribution
-0.799 pp
Company participation
25%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Oct 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 | $521.3bn | 1.225% | +0.275 pp | -0.461 pp | +7.0% | Yes |
| Humana → HUM | United States | $31.0bn | 0.073% | -0.005 pp | -0.148 pp | -50.3% | No |
| Elevance Health → ELV | United States | $94.1bn | 0.221% | +0.000 pp | -0.138 pp | -8.7% | No |
| Centene Corporation → CNC | United States | $31.4bn | 0.074% | +0.001 pp | -0.051 pp | -9.7% | 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.