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
Biotechnology2.50%-0.59 ppLife Sciences Tools & Services1.81%+0.27 ppHealth Care Services0.93%+0.25 ppHealth Care Equipment3.19%+0.21 ppHealth Care Distributors0.35%-0.15 ppManaged Health Care1.93%-0.15 ppPharmaceuticals5.74%+0.14 ppHealth Care Facilities0.24%+0.04 ppHealth Care Supplies0.16%+0.02 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Pharmaceuticals
Pharmaceuticals · weight
5.74%
Industry change · 12M
+0.14 pp
Pharmaceuticals · contribution
+0.137 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Apr 2019 · 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 |
|---|---|---|---|---|---|---|---|
| Merck & Co. → MRK | United States | $193.9bn | 1.080% | +0.471 pp | +0.149 pp | +37.5% | Yes |
| Lilly (Eli) → LLY | United States | $121.2bn | 0.675% | +0.256 pp | +0.134 pp | +47.7% | Yes |
| Bristol Myers Squibb → BMY | United States | $75.9bn | 0.423% | +0.157 pp | -0.100 pp | -8.2% | Yes |
| Pfizer → PFE | United States | $213.9bn | 1.192% | +0.424 pp | -0.079 pp | +14.8% | Yes |
| Zoetis → ZTS | United States | $48.8bn | 0.272% | +0.135 pp | +0.023 pp | +22.8% | Yes |
| Johnson & Johnson → JNJ | United States | $376.0bn | 2.095% | +0.918 pp | +0.010 pp | +14.7% | 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.