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
Health Care Equipment2.92%-0.42 ppManaged Health Care1.87%-0.41 ppBiotechnology2.28%-0.34 ppLife Sciences Tools & Services1.64%-0.21 ppPharmaceuticals5.03%-0.19 ppHealth Care Distributors0.44%+0.05 ppHealth Care Services0.68%-0.03 ppHealth Care Facilities0.24%-0.03 ppHealth Care Supplies0.19%-0.00 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Pharmaceuticals
Pharmaceuticals · weight
5.03%
Industry change · 12M
-0.19 pp
Pharmaceuticals · contribution
-0.186 pp
Company participation
43%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Apr 2024 · 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 |
|---|---|---|---|---|---|---|---|
| Lilly (Eli) → LLY | United States | $742.4bn | 2.150% | +0.328 pp | +0.881 pp | +99.0% | Yes |
| Johnson & Johnson → JNJ | United States | $348.3bn | 1.009% | -0.129 pp | -0.428 pp | -9.0% | No |
| Pfizer → PFE | United States | $144.7bn | 0.419% | -0.036 pp | -0.319 pp | -30.7% | No |
| Bristol Myers Squibb → BMY | United States | $89.1bn | 0.258% | -0.038 pp | -0.216 pp | -31.4% | No |
| Zoetis → ZTS | United States | $72.9bn | 0.211% | -0.045 pp | -0.064 pp | -8.5% | No |
| Merck & Co. → MRK | United States | $327.3bn | 0.948% | +0.038 pp | -0.042 pp | +15.0% | Yes |
| Viatris → VTRS | United States | $13.8bn | 0.040% | -0.002 pp | +0.002 pp | +29.9% | 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.