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
Pharmaceuticals3.37%-2.13 ppBiotechnology1.75%-1.63 ppHealth Care Equipment1.86%-0.96 ppManaged Health Care1.24%-0.72 ppLife Sciences Tools & Services0.95%-0.56 ppHealth Care Services0.39%-0.32 ppHealth Care Distributors0.23%-0.28 ppHealth Care Facilities0.15%-0.05 ppHealth Care Supplies0.11%-0.03 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Pharmaceuticals
Pharmaceuticals · weight
3.37%
Industry change · 12M
-2.13 pp
Pharmaceuticals · contribution
-2.134 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Sep 2018 · 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 | $370.7bn | 1.181% | -0.793 pp | -0.936 pp | +2.0% | No |
| Pfizer → PFE | United States | $245.1bn | 0.781% | -0.441 pp | -0.414 pp | +22.3% | No |
| Merck & Co. → MRK | United States | $180.0bn | 0.574% | -0.372 pp | -0.305 pp | +22.5% | No |
| Bristol Myers Squibb → BMY | United States | $101.3bn | 0.323% | -0.226 pp | -0.262 pp | +0.5% | No |
| Lilly (Eli) → LLY | United States | $115.3bn | 0.367% | -0.195 pp | -0.144 pp | +34.4% | No |
| Zoetis → ZTS | United States | $44.1bn | 0.141% | -0.110 pp | -0.073 pp | +19.7% | 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.