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
Pharmaceuticals3.86%-1.00 ppManaged Health Care1.59%-0.66 ppBiotechnology1.84%-0.45 ppLife Sciences Tools & Services1.16%-0.43 ppHealth Care Equipment2.47%-0.37 ppHealth Care Services0.49%-0.16 ppHealth Care Distributors0.37%-0.06 ppHealth Care Technology0.03%+0.03 ppHealth Care Facilities0.18%-0.03 ppHealth Care Supplies0.14%-0.01 pp
3 · Sub-industry
Inside Managed Health Care
Managed Health Care · weight
1.59%
Industry change · 12M
-0.66 pp
Managed Health Care · contribution
-0.662 pp
Company participation
25%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Nov 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 | $561.6bn | 1.239% | -0.078 pp | -0.355 pp | +12.0% | Yes |
| Elevance Health → ELV | United States | $94.4bn | 0.208% | -0.104 pp | -0.143 pp | -14.1% | No |
| Humana → HUM | United States | $35.7bn | 0.079% | -0.024 pp | -0.107 pp | -38.3% | No |
| Centene Corporation → CNC | United States | $30.3bn | 0.067% | -0.033 pp | -0.056 pp | -18.6% | 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.