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
Pharmaceuticals4.74%+4.73 ppHealth Care Equipment3.09%+3.08 ppBiotechnology2.57%+2.56 ppLife Sciences Tools & Services2.27%+2.27 ppManaged Health Care1.92%+1.91 ppHealth Care Services0.81%+0.81 ppHealth Care Supplies0.32%+0.32 ppHealth Care Distributors0.28%+0.28 ppHealth Care Facilities0.27%+0.27 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Pharmaceuticals
Pharmaceuticals · weight
4.74%
Industry change · 12M
+4.73 pp
Pharmaceuticals · contribution
+4.734 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Aug 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 | $455.8bn | 1.524% | -0.073 pp | +1.522 pp | +15.7% | Yes |
| Pfizer → PFE | United States | $258.3bn | 0.864% | +0.087 pp | +0.863 pp | +33.7% | Yes |
| Lilly (Eli) → LLY | United States | $247.1bn | 0.826% | +0.140 pp | +0.825 pp | +77.0% | Yes |
| Merck & Co. → MRK | United States | $193.1bn | 0.646% | -0.011 pp | +0.645 pp | -3.1% | Yes |
| Bristol Myers Squibb → BMY | United States | $148.6bn | 0.497% | -0.029 pp | +0.496 pp | +10.8% | Yes |
| Zoetis → ZTS | United States | $97.0bn | 0.324% | +0.024 pp | +0.324 pp | +28.5% | Yes |
| Viatris → VTRS | United States | $17.7bn | 0.059% | -0.007 pp | +0.059 pp | -9.4% | 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.