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 Equipment3.10%+0.28 ppBiotechnology3.11%-0.27 ppManaged Health Care2.11%+0.16 ppHealth Care Distributors0.42%-0.09 ppHealth Care Services0.66%-0.05 ppHealth Care Supplies0.18%+0.05 ppLife Sciences Tools & Services1.55%+0.03 ppHealth Care Facilities0.22%+0.01 ppPharmaceuticals5.50%+0.00 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Pharmaceuticals
Pharmaceuticals · weight
5.50%
Industry change · 12M
+0.00 pp
Pharmaceuticals · contribution
+0.002 pp
Company participation
50%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jun 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 | $325.5bn | 1.975% | -0.135 pp | -0.143 pp | -11.0% | No |
| Merck & Co. → MRK | United States | $155.8bn | 0.945% | +0.086 pp | +0.067 pp | +4.1% | Yes |
| Lilly (Eli) → LLY | United States | $92.6bn | 0.562% | +0.042 pp | +0.050 pp | +6.3% | Yes |
| Zoetis → ZTS | United States | $41.2bn | 0.250% | +0.001 pp | +0.037 pp | +11.2% | Yes |
| Bristol Myers Squibb → BMY | United States | $90.5bn | 0.549% | -0.085 pp | -0.036 pp | -11.0% | No |
| Pfizer → PFE | United States | $201.3bn | 1.222% | -0.008 pp | +0.027 pp | -0.2% | 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.