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
Pharmaceuticals0.01%-5.80 ppHealth Care Equipment0.00%-3.29 ppBiotechnology0.00%-2.47 ppManaged Health Care0.00%-2.08 ppLife Sciences Tools & Services0.00%-1.83 ppHealth Care Services0.00%-0.92 ppHealth Care Distributors0.00%-0.36 ppHealth Care Facilities0.00%-0.24 ppHealth Care Supplies0.00%-0.15 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Health Care Distributors
Health Care Distributors · weight
0.00%
Industry change · 12M
-0.36 pp
Health Care Distributors · contribution
-0.359 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
May 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 |
|---|---|---|---|---|---|---|---|
| McKesson Corporation → MCK | United States | $25.7bn | 0.000% | +0.000 pp | -0.135 pp | +31.4% | No |
| Cencora → COR | United States | $19.4bn | 0.000% | +0.000 pp | -0.095 pp | +32.4% | No |
| Cardinal Health → CAH | United States | $16.0bn | 0.000% | +0.000 pp | -0.073 pp | +35.3% | No |
| Henry Schein → HSIC | United States | $8.7bn | 0.000% | +0.000 pp | -0.056 pp | -5.8% | 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.