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
Pharmaceuticals6.36%+0.62 ppBiotechnology3.09%+0.60 ppManaged Health Care2.45%+0.51 ppHealth Care Equipment3.59%+0.40 ppLife Sciences Tools & Services2.01%+0.20 ppHealth Care Services1.07%+0.14 ppHealth Care Supplies0.12%-0.05 ppHealth Care Facilities0.21%-0.03 ppHealth Care Distributors0.37%+0.02 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Pharmaceuticals
Pharmaceuticals · weight
6.36%
Industry change · 12M
+0.62 pp
Pharmaceuticals · contribution
+0.619 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Apr 2020 · 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 |
|---|---|---|---|---|---|---|---|
| Bristol Myers Squibb → BMY | United States | $137.3bn | 0.768% | +0.262 pp | +0.345 pp | +35.3% | Yes |
| Lilly (Eli) → LLY | United States | $147.9bn | 0.828% | +0.166 pp | +0.153 pp | +35.1% | Yes |
| Johnson & Johnson → JNJ | United States | $395.3bn | 2.212% | +0.279 pp | +0.117 pp | +9.2% | Yes |
| Zoetis → ZTS | United States | $61.4bn | 0.344% | +0.028 pp | +0.072 pp | +27.7% | Yes |
| Pfizer → PFE | United States | $201.9bn | 1.130% | +0.165 pp | -0.062 pp | -1.9% | Yes |
| Merck & Co. → MRK | United States | $192.0bn | 1.075% | +0.051 pp | -0.006 pp | +3.7% | 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.