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
Pharmaceuticals0.00%-6.10 ppHealth Care Equipment0.00%-3.32 ppBiotechnology0.00%-2.84 ppManaged Health Care0.00%-2.16 ppLife Sciences Tools & Services0.00%-1.82 ppHealth Care Services0.00%-1.01 ppHealth Care Distributors0.00%-0.39 ppHealth Care Facilities0.00%-0.28 ppHealth Care Supplies0.00%-0.14 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Health Care Distributors
Health Care Distributors · weight
0.00%
Industry change · 12M
-0.39 pp
Health Care Distributors · contribution
-0.389 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Feb 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 | $24.7bn | 0.000% | -0.131 pp | -0.141 pp | +11.3% | No |
| Cencora → COR | United States | $17.4bn | 0.000% | -0.091 pp | -0.102 pp | +9.4% | No |
| Cardinal Health → CAH | United States | $15.2bn | 0.000% | -0.081 pp | -0.094 pp | -0.2% | No |
| Henry Schein → HSIC | United States | $8.7bn | 0.000% | -0.051 pp | -0.052 pp | +2.8% | 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.