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
Pharmaceuticals4.23%-0.88 ppManaged Health Care1.59%-0.80 ppBiotechnology2.13%-0.34 ppLife Sciences Tools & Services1.24%-0.28 ppHealth Care Equipment2.52%-0.27 ppHealth Care Services0.49%-0.26 ppHealth Care Distributors0.34%-0.10 ppHealth Care Technology0.03%+0.03 ppHealth Care Facilities0.21%+0.01 ppHealth Care Supplies0.14%-0.00 pp
3 · Sub-industry
Inside Health Care Services
Health Care Services · weight
0.49%
Industry change · 12M
-0.26 pp
Health Care Services · contribution
-0.259 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Oct 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 |
|---|---|---|---|---|---|---|---|
| CVS Health → CVS | United States | $71.0bn | 0.167% | +0.031 pp | -0.134 pp | -14.8% | Yes |
| Cigna → CI | United States | $87.6bn | 0.206% | +0.028 pp | -0.105 pp | +3.5% | Yes |
| Labcorp → LH | United States | $19.1bn | 0.045% | +0.012 pp | -0.013 pp | +15.8% | Yes |
| Quest Diagnostics → DGX | United States | $17.3bn | 0.041% | +0.012 pp | -0.009 pp | +21.6% | Yes |
| DaVita → DVA | United States | $11.5bn | 0.027% | +0.005 pp | +0.003 pp | +81.0% | 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.