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
Pharmaceuticals4.40%-0.86 ppManaged Health Care1.72%-0.51 ppBiotechnology2.12%-0.40 ppHealth Care Equipment2.53%-0.38 ppLife Sciences Tools & Services1.39%-0.31 ppHealth Care Services0.53%-0.19 ppHealth Care Distributors0.34%-0.09 ppHealth Care Supplies0.15%-0.04 ppHealth Care Technology0.03%+0.03 ppHealth Care Facilities0.24%+0.02 pp
3 · Sub-industry
Inside Health Care Distributors
Health Care Distributors · weight
0.34%
Industry change · 12M
-0.09 pp
Health Care Distributors · contribution
-0.086 pp
Company participation
75%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Sep 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 | $64.1bn | 0.149% | +0.007 pp | -0.047 pp | +14.3% | No |
| Cencora → COR | United States | $44.4bn | 0.103% | +0.019 pp | -0.018 pp | +26.2% | Yes |
| Henry Schein → HSIC | United States | $9.2bn | 0.022% | +0.006 pp | -0.011 pp | -1.8% | Yes |
| Cardinal Health → CAH | United States | $26.9bn | 0.063% | +0.018 pp | -0.010 pp | +29.9% | Yes |
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.