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
Pharmaceuticals5.42%+1.76 ppHealth Care Equipment3.35%+1.46 ppLife Sciences Tools & Services1.80%+0.83 ppManaged Health Care2.11%+0.83 ppBiotechnology2.55%+0.78 ppHealth Care Services1.04%+0.69 ppHealth Care Distributors0.33%+0.11 ppHealth Care Facilities0.25%+0.09 ppHealth Care Supplies0.13%+0.06 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Pharmaceuticals
Pharmaceuticals · weight
5.42%
Industry change · 12M
+1.76 pp
Pharmaceuticals · contribution
+1.759 pp
Company participation
67%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Dec 2019 · 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 |
|---|---|---|---|---|---|---|---|
| Johnson & Johnson → JNJ | United States | $383.9bn | 1.883% | +0.070 pp | +0.646 pp | +16.2% | Yes |
| Merck & Co. → MRK | United States | $221.0bn | 1.084% | -0.008 pp | +0.406 pp | +22.3% | No |
| Bristol Myers Squibb → BMY | United States | $104.6bn | 0.513% | +0.073 pp | +0.210 pp | +27.7% | Yes |
| Lilly (Eli) → LLY | United States | $126.2bn | 0.619% | +0.046 pp | +0.181 pp | +16.1% | Yes |
| Zoetis → ZTS | United States | $63.0bn | 0.309% | -0.007 pp | +0.162 pp | +55.7% | Yes |
| Pfizer → PFE | United States | $205.7bn | 1.009% | +0.008 pp | +0.153 pp | -6.9% | 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.