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
Pharmaceuticals3.38%-2.13 ppBiotechnology1.66%-1.72 ppHealth Care Equipment1.82%-1.01 ppManaged Health Care1.30%-0.65 ppLife Sciences Tools & Services0.96%-0.55 ppHealth Care Services0.33%-0.38 ppHealth Care Distributors0.22%-0.29 ppHealth Care Supplies0.08%-0.06 ppHealth Care Facilities0.16%-0.05 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Pharmaceuticals
Pharmaceuticals · weight
3.38%
Industry change · 12M
-2.13 pp
Pharmaceuticals · contribution
-2.125 pp
Company participation
17%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jan 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 | $356.9bn | 1.177% | -0.096 pp | -0.940 pp | -1.1% | No |
| Pfizer → PFE | United States | $232.8bn | 0.768% | -0.044 pp | -0.427 pp | +19.7% | No |
| Bristol Myers Squibb → BMY | United States | $80.6bn | 0.266% | -0.014 pp | -0.319 pp | -18.9% | No |
| Merck & Co. → MRK | United States | $184.7bn | 0.609% | -0.024 pp | -0.269 pp | +29.5% | No |
| Lilly (Eli) → LLY | United States | $127.0bn | 0.419% | +0.024 pp | -0.093 pp | +50.9% | Yes |
| Zoetis → ZTS | United States | $41.4bn | 0.137% | -0.011 pp | -0.077 pp | +13.0% | 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.