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 Care2.28%-0.26 ppPharmaceuticals5.22%-0.24 ppHealth Care Services0.71%-0.20 ppLife Sciences Tools & Services1.85%-0.19 ppHealth Care Equipment3.34%+0.18 ppBiotechnology2.61%+0.11 ppHealth Care Facilities0.27%+0.03 ppHealth Care Distributors0.39%+0.01 ppHealth Care Supplies0.19%+0.01 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Health Care Distributors
Health Care Distributors · weight
0.39%
Industry change · 12M
+0.01 pp
Health Care Distributors · contribution
+0.009 pp
Company participation
25%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Apr 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 |
|---|---|---|---|---|---|---|---|
| Cardinal Health → CAH | United States | $21.2bn | 0.071% | +0.002 pp | +0.013 pp | +45.7% | Yes |
| Henry Schein → HSIC | United States | $10.6bn | 0.036% | -0.004 pp | -0.004 pp | -0.4% | No |
| McKesson Corporation → MCK | United States | $49.9bn | 0.168% | -0.015 pp | +0.001 pp | +18.3% | No |
| Cencora → COR | United States | $33.7bn | 0.114% | -0.005 pp | -0.000 pp | +11.6% | 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.