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
Managed Health Care2.54%+0.56 ppPharmaceuticals5.28%+0.53 ppHealth Care Equipment2.91%-0.33 ppBiotechnology2.41%-0.14 ppHealth Care Supplies0.18%-0.13 ppLife Sciences Tools & Services2.09%-0.11 ppHealth Care Distributors0.37%+0.07 ppHealth Care Facilities0.22%-0.07 ppHealth Care Services0.89%+0.05 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Health Care Distributors
Health Care Distributors · weight
0.37%
Industry change · 12M
+0.07 pp
Health Care Distributors · contribution
+0.074 pp
Company participation
50%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jul 2022 · 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 | $49.7bn | 0.171% | +0.003 pp | +0.060 pp | +68.9% | Yes |
| Cencora → COR | United States | $30.6bn | 0.105% | -0.009 pp | +0.019 pp | +23.7% | No |
| Cardinal Health → CAH | United States | $16.2bn | 0.056% | -0.002 pp | -0.003 pp | +4.1% | Yes |
| Henry Schein → HSIC | United States | $10.9bn | 0.037% | -0.003 pp | -0.001 pp | -1.6% | 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.