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
Biotechnology2.69%+0.18 ppManaged Health Care2.20%-0.16 ppHealth Care Services0.72%-0.15 ppLife Sciences Tools & Services1.95%-0.14 ppHealth Care Equipment3.14%-0.12 ppPharmaceuticals4.99%-0.05 ppHealth Care Supplies0.19%-0.04 ppHealth Care Distributors0.38%+0.02 ppHealth Care Facilities0.25%-0.01 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Managed Health Care
Managed Health Care · weight
2.20%
Industry change · 12M
-0.16 pp
Managed Health Care · contribution
-0.162 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Mar 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 | $440.9bn | 1.504% | -0.283 pp | -0.111 pp | -6.1% | No |
| Centene Corporation → CNC | United States | $34.8bn | 0.119% | -0.049 pp | -0.046 pp | -24.9% | No |
| Elevance Health → ELV | United States | $109.2bn | 0.373% | -0.070 pp | -0.026 pp | -5.4% | No |
| Humana → HUM | United States | $60.7bn | 0.207% | -0.027 pp | +0.022 pp | +12.3% | 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.