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
Managed Health Care2.03%-0.53 ppHealth Care Services0.66%-0.25 ppPharmaceuticals5.26%+0.22 ppLife Sciences Tools & Services1.77%-0.21 ppHealth Care Equipment2.95%+0.09 ppHealth Care Supplies0.20%+0.04 ppHealth Care Facilities0.24%+0.04 ppBiotechnology2.41%+0.02 ppHealth Care Distributors0.39%-0.01 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Pharmaceuticals
Pharmaceuticals · weight
5.26%
Industry change · 12M
+0.22 pp
Pharmaceuticals · contribution
+0.221 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Aug 2023 · 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 | $526.1bn | 1.677% | +0.669 pp | +0.652 pp | +86.0% | Yes |
| Pfizer → PFE | United States | $199.8bn | 0.637% | +0.106 pp | -0.272 pp | -18.6% | Yes |
| Johnson & Johnson → JNJ | United States | $420.2bn | 1.339% | +0.344 pp | -0.179 pp | +3.1% | Yes |
| Merck & Co. → MRK | United States | $276.5bn | 0.881% | +0.189 pp | +0.107 pp | +31.3% | Yes |
| Bristol Myers Squibb → BMY | United States | $128.8bn | 0.410% | +0.076 pp | -0.105 pp | -5.5% | Yes |
| Zoetis → ZTS | United States | $87.7bn | 0.279% | +0.093 pp | +0.017 pp | +22.8% | Yes |
| Viatris → VTRS | United States | $12.9bn | 0.041% | +0.014 pp | -0.000 pp | +17.8% | 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.