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
Pharmaceuticals3.66%-1.84 ppBiotechnology1.77%-1.61 ppHealth Care Equipment1.89%-0.94 ppManaged Health Care1.28%-0.67 ppLife Sciences Tools & Services0.97%-0.54 ppHealth Care Services0.35%-0.36 ppHealth Care Distributors0.21%-0.29 ppHealth Care Supplies0.07%-0.07 ppHealth Care Facilities0.15%-0.05 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Pharmaceuticals
Pharmaceuticals · weight
3.66%
Industry change · 12M
-1.84 pp
Pharmaceuticals · contribution
-1.841 pp
Company participation
17%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Dec 2018 · 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 |
|---|---|---|---|---|---|---|---|
| Johnson & Johnson → JNJ | United States | $346.1bn | 1.237% | +0.056 pp | -0.880 pp | -4.1% | No |
| Pfizer → PFE | United States | $239.4bn | 0.856% | +0.075 pp | -0.339 pp | +22.1% | No |
| Bristol Myers Squibb → BMY | United States | $84.8bn | 0.303% | -0.019 pp | -0.281 pp | -15.3% | No |
| Merck & Co. → MRK | United States | $189.6bn | 0.678% | +0.104 pp | -0.201 pp | +32.9% | No |
| Lilly (Eli) → LLY | United States | $122.6bn | 0.438% | +0.071 pp | -0.073 pp | +45.6% | Yes |
| Zoetis → ZTS | United States | $41.1bn | 0.147% | +0.006 pp | -0.066 pp | +12.0% | No |
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.