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
Pharmaceuticals2.94%-2.47 ppHealth Care Equipment1.97%-1.40 ppBiotechnology1.37%-1.01 ppManaged Health Care1.14%-0.81 ppLife Sciences Tools & Services1.26%-0.50 ppHealth Care Services0.53%-0.46 ppHealth Care Distributors0.18%-0.16 ppHealth Care Facilities0.13%-0.10 ppHealth Care Supplies0.16%+0.04 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Pharmaceuticals
Pharmaceuticals · weight
2.94%
Industry change · 12M
-2.47 pp
Pharmaceuticals · contribution
-2.468 pp
Company participation
29%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jan 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 | $429.4bn | 1.029% | -0.680 pp | -0.904 pp | +12.6% | Yes |
| Merck & Co. → MRK | United States | $186.1bn | 0.446% | -0.414 pp | -0.578 pp | -6.9% | No |
| Pfizer → PFE | United States | $199.5bn | 0.478% | -0.408 pp | -0.487 pp | +5.8% | No |
| Lilly (Eli) → LLY | United States | $198.9bn | 0.476% | -0.114 pp | -0.185 pp | +51.9% | Yes |
| Bristol Myers Squibb → BMY | United States | $138.8bn | 0.332% | -0.291 pp | -0.174 pp | +0.7% | No |
| Zoetis → ZTS | United States | $73.3bn | 0.176% | -0.181 pp | -0.140 pp | +15.6% | No |
| Viatris → VTRS | United States | $0.0bn | 0.000% | -0.000 pp | +0.000 pp | -20.7% | 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.