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
Pharmaceuticals5.35%+2.06 ppHealth Care Equipment3.55%+1.75 ppLife Sciences Tools & Services1.79%+0.86 ppManaged Health Care1.88%+0.63 ppBiotechnology2.36%+0.60 ppHealth Care Services0.95%+0.57 ppHealth Care Distributors0.35%+0.12 ppHealth Care Facilities0.22%+0.07 ppHealth Care Supplies0.10%-0.01 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Health Care Distributors
Health Care Distributors · weight
0.35%
Industry change · 12M
+0.12 pp
Health Care Distributors · contribution
+0.124 pp
Company participation
25%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Aug 2019 · 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 | $25.6bn | 0.139% | +0.004 pp | +0.056 pp | +8.7% | Yes |
| Cencora → COR | United States | $17.1bn | 0.093% | -0.002 pp | +0.030 pp | -4.1% | No |
| Henry Schein → HSIC | United States | $9.1bn | 0.050% | -0.006 pp | +0.020 pp | +1.1% | No |
| Cardinal Health → CAH | United States | $12.9bn | 0.070% | -0.003 pp | +0.018 pp | -14.0% | 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.