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
Pharmaceuticals5.40%+2.03 ppHealth Care Equipment3.38%+1.56 ppLife Sciences Tools & Services1.77%+0.80 ppBiotechnology2.38%+0.72 ppHealth Care Services0.99%+0.66 ppManaged Health Care1.95%+0.65 ppHealth Care Distributors0.34%+0.12 ppHealth Care Facilities0.23%+0.07 ppHealth Care Supplies0.12%+0.04 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Managed Health Care
Managed Health Care · weight
1.95%
Industry change · 12M
+0.65 pp
Managed Health Care · contribution
+0.653 pp
Company participation
75%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jan 2020 · 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 | $258.1bn | 1.273% | +0.025 pp | +0.416 pp | +2.5% | Yes |
| Centene Corporation → CNC | United States | $26.0bn | 0.128% | +0.014 pp | +0.084 pp | -3.8% | Yes |
| Humana → HUM | United States | $44.5bn | 0.220% | +0.013 pp | +0.080 pp | +9.7% | Yes |
| Elevance Health → ELV | United States | $67.3bn | 0.332% | -0.024 pp | +0.073 pp | -11.4% | 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.