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
Pharmaceuticals5.23%+1.57 ppHealth Care Equipment3.30%+1.42 ppBiotechnology2.62%+0.86 ppLife Sciences Tools & Services1.76%+0.78 ppManaged Health Care2.06%+0.71 ppHealth Care Services1.06%+0.67 ppHealth Care Distributors0.35%+0.12 ppHealth Care Facilities0.24%+0.07 ppHealth Care Supplies0.13%+0.06 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Pharmaceuticals
Pharmaceuticals · weight
5.23%
Industry change · 12M
+1.57 pp
Pharmaceuticals · contribution
+1.570 pp
Company participation
17%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Nov 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 | $361.9bn | 1.823% | -0.019 pp | +0.514 pp | -3.8% | No |
| Merck & Co. → MRK | United States | $211.8bn | 1.067% | -0.082 pp | +0.413 pp | +12.9% | No |
| Bristol Myers Squibb → BMY | United States | $92.8bn | 0.467% | +0.040 pp | +0.177 pp | +10.2% | Yes |
| Pfizer → PFE | United States | $202.3bn | 1.019% | +0.004 pp | +0.177 pp | -13.6% | No |
| Lilly (Eli) → LLY | United States | $112.7bn | 0.568% | -0.026 pp | +0.150 pp | +1.1% | No |
| Zoetis → ZTS | United States | $57.4bn | 0.289% | -0.039 pp | +0.139 pp | +29.2% | 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.