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
Pharmaceuticals3.42%-1.86 ppManaged Health Care1.47%-1.06 ppLife Sciences Tools & Services1.21%-0.89 ppBiotechnology1.62%-0.79 ppHealth Care Equipment2.16%-0.76 ppHealth Care Services0.49%-0.39 ppHealth Care Distributors0.27%-0.09 ppHealth Care Facilities0.16%-0.05 ppHealth Care Supplies0.13%-0.04 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Health Care Services
Health Care Services · weight
0.49%
Industry change · 12M
-0.39 pp
Health Care Services · contribution
-0.392 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jul 2023 · 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 | $95.8bn | 0.209% | -0.109 pp | -0.222 pp | -19.6% | No |
| Cigna → CI | United States | $87.3bn | 0.190% | -0.064 pp | -0.110 pp | +8.9% | No |
| Labcorp → LH | United States | $19.0bn | 0.041% | -0.017 pp | -0.030 pp | -3.9% | No |
| Quest Diagnostics → DGX | United States | $15.2bn | 0.033% | -0.019 pp | -0.022 pp | +1.0% | No |
| DaVita → DVA | United States | $9.3bn | 0.020% | -0.007 pp | -0.007 pp | +21.2% | 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.