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
Biotechnology2.47%-0.61 ppPharmaceuticals5.81%+0.39 ppLife Sciences Tools & Services1.83%+0.29 ppHealth Care Services0.92%+0.27 ppHealth Care Equipment3.30%+0.23 ppHealth Care Distributors0.36%-0.07 ppManaged Health Care2.09%+0.03 ppHealth Care Supplies0.15%-0.02 ppHealth Care Facilities0.24%+0.02 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Pharmaceuticals
Pharmaceuticals · weight
5.81%
Industry change · 12M
+0.39 pp
Pharmaceuticals · contribution
+0.395 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
May 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 | $194.6bn | 1.133% | -0.027 pp | +0.206 pp | +36.9% | Yes |
| Lilly (Eli) → LLY | United States | $112.6bn | 0.655% | -0.102 pp | +0.095 pp | +39.3% | Yes |
| Bristol Myers Squibb → BMY | United States | $74.2bn | 0.432% | -0.057 pp | -0.090 pp | -11.1% | Yes |
| Johnson & Johnson → JNJ | United States | $348.2bn | 2.028% | -0.081 pp | +0.081 pp | +12.6% | Yes |
| Pfizer → PFE | United States | $219.0bn | 1.275% | -0.048 pp | +0.066 pp | +19.5% | Yes |
| Zoetis → ZTS | United States | $48.4bn | 0.282% | +0.020 pp | +0.036 pp | +21.5% | 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.