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 Equipment3.11%+0.29 ppPharmaceuticals5.77%+0.27 ppBiotechnology3.12%-0.26 ppManaged Health Care2.13%+0.18 ppLife Sciences Tools & Services1.64%+0.12 ppHealth Care Distributors0.40%-0.11 ppHealth Care Services0.63%-0.07 ppHealth Care Facilities0.25%+0.05 ppHealth Care Supplies0.19%+0.05 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Pharmaceuticals
Pharmaceuticals · weight
5.77%
Industry change · 12M
+0.27 pp
Pharmaceuticals · contribution
+0.274 pp
Company participation
67%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jul 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 |
|---|---|---|---|---|---|---|---|
| Merck & Co. → MRK | United States | $169.1bn | 0.986% | +0.056 pp | +0.108 pp | +13.0% | Yes |
| Lilly (Eli) → LLY | United States | $106.1bn | 0.619% | +0.078 pp | +0.107 pp | +23.1% | Yes |
| Pfizer → PFE | United States | $221.6bn | 1.293% | +0.022 pp | +0.098 pp | +9.9% | Yes |
| Johnson & Johnson → JNJ | United States | $355.4bn | 2.073% | -0.012 pp | -0.044 pp | -2.8% | Yes |
| Zoetis → ZTS | United States | $41.8bn | 0.244% | -0.005 pp | +0.031 pp | +13.0% | No |
| Bristol Myers Squibb → BMY | United States | $95.9bn | 0.559% | +0.036 pp | -0.025 pp | -4.9% | 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.