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
Pharmaceuticals4.62%+4.62 ppHealth Care Equipment3.09%+3.08 ppBiotechnology2.51%+2.51 ppLife Sciences Tools & Services2.28%+2.27 ppManaged Health Care1.92%+1.91 ppHealth Care Services0.82%+0.82 ppHealth Care Supplies0.31%+0.31 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
4.62%
Industry change · 12M
+4.62 pp
Pharmaceuticals · contribution
+4.619 pp
Company participation
57%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Sep 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 | $425.1bn | 1.493% | -0.039 pp | +1.491 pp | +11.3% | No |
| Pfizer → PFE | United States | $241.1bn | 0.847% | +0.073 pp | +0.846 pp | +28.5% | Yes |
| Lilly (Eli) → LLY | United States | $221.0bn | 0.776% | -0.001 pp | +0.775 pp | +58.8% | Yes |
| Merck & Co. → MRK | United States | $190.1bn | 0.668% | -0.028 pp | +0.667 pp | -1.8% | Yes |
| Bristol Myers Squibb → BMY | United States | $131.5bn | 0.462% | -0.065 pp | +0.461 pp | +2.0% | No |
| Zoetis → ZTS | United States | $92.0bn | 0.323% | +0.011 pp | +0.323 pp | +18.1% | Yes |
| Viatris → VTRS | United States | $16.4bn | 0.058% | -0.003 pp | +0.058 pp | -7.3% | 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.