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
Health Care Equipment2.92%-0.42 ppManaged Health Care1.87%-0.41 ppBiotechnology2.28%-0.34 ppLife Sciences Tools & Services1.64%-0.21 ppPharmaceuticals5.03%-0.19 ppHealth Care Distributors0.44%+0.05 ppHealth Care Services0.68%-0.03 ppHealth Care Facilities0.24%-0.03 ppHealth Care Supplies0.19%-0.00 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Health Care Distributors
Health Care Distributors · weight
0.44%
Industry change · 12M
+0.05 pp
Health Care Distributors · contribution
+0.051 pp
Company participation
50%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Apr 2024 · 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 | $70.6bn | 0.204% | +0.007 pp | +0.036 pp | +48.3% | Yes |
| Cencora → COR | United States | $47.7bn | 0.138% | +0.000 pp | +0.024 pp | +44.7% | Yes |
| Henry Schein → HSIC | United States | $8.9bn | 0.026% | -0.003 pp | -0.010 pp | -14.3% | No |
| Cardinal Health → CAH | United States | $25.1bn | 0.073% | -0.007 pp | +0.001 pp | +28.1% | 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.