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 Equipment1.93%-0.40 ppManaged Health Care1.27%-0.23 ppLife Sciences Tools & Services1.02%-0.22 ppPharmaceuticals3.49%-0.22 ppHealth Care Services0.40%-0.10 ppHealth Care Facilities0.16%-0.04 ppHealth Care Supplies0.11%-0.03 ppBiotechnology1.63%-0.02 ppHealth Care Distributors0.29%-0.02 ppHealth Care Technology0.02%+0.02 pp
3 · Sub-industry
Inside Health Care Distributors
Health Care Distributors · weight
0.29%
Industry change · 12M
-0.02 pp
Health Care Distributors · contribution
-0.018 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jun 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 |
|---|---|---|---|---|---|---|---|
| Cardinal Health → CAH | United States | $23.9bn | 0.045% | -0.031 pp | -0.011 pp | +5.6% | No |
| Henry Schein → HSIC | United States | $8.2bn | 0.015% | -0.012 pp | -0.009 pp | -21.0% | No |
| McKesson Corporation → MCK | United States | $75.9bn | 0.142% | -0.053 pp | +0.008 pp | +37.4% | No |
| Cencora → COR | United States | $44.9bn | 0.084% | -0.050 pp | -0.006 pp | +18.2% | 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.