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 Equipment1.61%-0.77 ppPharmaceuticals4.10%+0.75 ppManaged Health Care0.93%+0.23 ppBiotechnology1.89%+0.10 ppHealth Care Technology0.08%+0.06 ppHealth Care Services0.48%+0.05 ppLife Sciences Tools & Services0.90%-0.03 ppHealth Care Facilities0.16%-0.02 ppHealth Care Supplies0.09%+0.00 ppHealth Care Distributors0.40%+0.00 pp
3 · Sub-industry
Inside Pharmaceuticals
Pharmaceuticals · weight
4.10%
Industry change · 12M
+0.75 pp
Pharmaceuticals · contribution
+0.749 pp
Company participation
86%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jul 2026 · 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 | $1081.9bn | 1.889% | +0.694 pp | +0.409 pp | +56.3% | Yes |
| Johnson & Johnson → JNJ | United States | $617.8bn | 1.078% | +0.328 pp | +0.242 pp | +59.5% | Yes |
| Merck & Co. → MRK | United States | $321.6bn | 0.561% | +0.195 pp | +0.148 pp | +72.2% | Yes |
| Zoetis → ZTS | United States | $32.4bn | 0.057% | -0.009 pp | -0.080 pp | -46.0% | No |
| Bristol Myers Squibb → BMY | United States | $133.4bn | 0.233% | +0.065 pp | +0.047 pp | +58.0% | Yes |
| Pfizer → PFE | United States | $142.5bn | 0.249% | +0.043 pp | -0.030 pp | +14.9% | Yes |
| Viatris → VTRS | United States | $20.4bn | 0.036% | +0.012 pp | +0.014 pp | +108.8% | 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.