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
Pharmaceuticals5.35%+2.06 ppHealth Care Equipment3.55%+1.75 ppLife Sciences Tools & Services1.79%+0.86 ppManaged Health Care1.88%+0.63 ppBiotechnology2.36%+0.60 ppHealth Care Services0.95%+0.57 ppHealth Care Distributors0.35%+0.12 ppHealth Care Facilities0.22%+0.07 ppHealth Care Supplies0.10%-0.01 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Pharmaceuticals
Pharmaceuticals · weight
5.35%
Industry change · 12M
+2.06 pp
Pharmaceuticals · contribution
+2.055 pp
Company participation
50%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Aug 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 | $338.8bn | 1.842% | -0.185 pp | +0.676 pp | -2.1% | No |
| Merck & Co. → MRK | United States | $211.3bn | 1.149% | +0.016 pp | +0.587 pp | +29.5% | Yes |
| Pfizer → PFE | United States | $186.6bn | 1.015% | -0.261 pp | +0.269 pp | -11.4% | No |
| Lilly (Eli) → LLY | United States | $109.1bn | 0.593% | -0.062 pp | +0.227 pp | +9.3% | No |
| Zoetis → ZTS | United States | $60.4bn | 0.328% | +0.047 pp | +0.187 pp | +40.4% | Yes |
| Bristol Myers Squibb → BMY | United States | $78.6bn | 0.428% | -0.005 pp | +0.109 pp | -18.0% | 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.