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
Pharmaceuticals3.42%-1.86 ppManaged Health Care1.47%-1.06 ppLife Sciences Tools & Services1.21%-0.89 ppBiotechnology1.62%-0.79 ppHealth Care Equipment2.16%-0.76 ppHealth Care Services0.49%-0.39 ppHealth Care Distributors0.27%-0.09 ppHealth Care Facilities0.16%-0.05 ppHealth Care Supplies0.13%-0.04 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Health Care Distributors
Health Care Distributors · weight
0.27%
Industry change · 12M
-0.09 pp
Health Care Distributors · contribution
-0.094 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jul 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 |
|---|---|---|---|---|---|---|---|
| McKesson Corporation → MCK | United States | $54.6bn | 0.119% | -0.050 pp | -0.052 pp | +18.5% | No |
| Cencora → COR | United States | $37.8bn | 0.082% | -0.031 pp | -0.023 pp | +29.6% | No |
| Henry Schein → HSIC | United States | $10.3bn | 0.022% | -0.013 pp | -0.015 pp | -0.1% | No |
| Cardinal Health → CAH | United States | $23.3bn | 0.051% | -0.021 pp | -0.005 pp | +57.6% | 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.