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
Pharmaceuticals4.75%+4.74 ppHealth Care Equipment3.24%+3.24 ppBiotechnology2.55%+2.55 ppLife Sciences Tools & Services2.21%+2.20 ppManaged Health Care1.98%+1.98 ppHealth Care Services0.83%+0.83 ppHealth Care Supplies0.31%+0.31 ppHealth Care Distributors0.29%+0.29 ppHealth Care Facilities0.28%+0.28 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Pharmaceuticals
Pharmaceuticals · weight
4.75%
Industry change · 12M
+4.74 pp
Pharmaceuticals · contribution
+4.744 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jul 2021 · 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 | $453.3bn | 1.554% | +0.001 pp | +1.552 pp | +21.3% | Yes |
| Pfizer → PFE | United States | $239.6bn | 0.822% | +0.040 pp | +0.821 pp | +22.0% | Yes |
| Lilly (Eli) → LLY | United States | $233.5bn | 0.801% | +0.165 pp | +0.800 pp | +65.1% | Yes |
| Merck & Co. → MRK | United States | $194.6bn | 0.667% | +0.015 pp | +0.666 pp | +3.7% | Yes |
| Bristol Myers Squibb → BMY | United States | $150.8bn | 0.517% | +0.012 pp | +0.516 pp | +19.3% | Yes |
| Zoetis → ZTS | United States | $96.2bn | 0.330% | +0.032 pp | +0.330 pp | +34.4% | Yes |
| Viatris → VTRS | United States | $17.0bn | 0.058% | +0.000 pp | +0.058 pp | -12.0% | 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.