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
Pharmaceuticals5.40%+2.03 ppHealth Care Equipment3.38%+1.56 ppLife Sciences Tools & Services1.77%+0.80 ppBiotechnology2.38%+0.72 ppHealth Care Services0.99%+0.66 ppManaged Health Care1.95%+0.65 ppHealth Care Distributors0.34%+0.12 ppHealth Care Facilities0.23%+0.07 ppHealth Care Supplies0.12%+0.04 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Pharmaceuticals
Pharmaceuticals · weight
5.40%
Industry change · 12M
+2.03 pp
Pharmaceuticals · contribution
+2.029 pp
Company participation
67%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jan 2020 · 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 | $391.8bn | 1.933% | +0.122 pp | +0.756 pp | +15.0% | Yes |
| Merck & Co. → MRK | United States | $207.6bn | 1.024% | -0.080 pp | +0.415 pp | +17.9% | No |
| Lilly (Eli) → LLY | United States | $134.1bn | 0.661% | +0.091 pp | +0.243 pp | +19.1% | Yes |
| Bristol Myers Squibb → BMY | United States | $102.6bn | 0.506% | +0.019 pp | +0.240 pp | +31.8% | Yes |
| Pfizer → PFE | United States | $195.5bn | 0.965% | -0.085 pp | +0.197 pp | -8.9% | No |
| Zoetis → ZTS | United States | $63.9bn | 0.315% | -0.003 pp | +0.179 pp | +56.7% | 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.