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
Biotechnology2.40%-0.71 ppLife Sciences Tools & Services1.90%+0.35 ppHealth Care Services0.91%+0.25 ppHealth Care Equipment3.33%+0.23 ppManaged Health Care1.95%-0.16 ppPharmaceuticals5.61%+0.11 ppHealth Care Distributors0.37%-0.06 ppHealth Care Supplies0.14%-0.04 ppHealth Care Facilities0.25%+0.03 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Pharmaceuticals
Pharmaceuticals · weight
5.61%
Industry change · 12M
+0.11 pp
Pharmaceuticals · contribution
+0.106 pp
Company participation
67%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jun 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 | $206.0bn | 1.110% | -0.066 pp | +0.165 pp | +41.9% | Yes |
| Bristol Myers Squibb → BMY | United States | $74.2bn | 0.400% | -0.048 pp | -0.149 pp | -15.5% | No |
| Zoetis → ZTS | United States | $54.3bn | 0.293% | +0.016 pp | +0.043 pp | +34.1% | Yes |
| Johnson & Johnson → JNJ | United States | $369.8bn | 1.993% | -0.145 pp | +0.019 pp | +17.9% | Yes |
| Lilly (Eli) → LLY | United States | $107.6bn | 0.580% | -0.192 pp | +0.018 pp | +32.7% | No |
| Pfizer → PFE | United States | $228.5bn | 1.232% | -0.053 pp | +0.010 pp | +23.5% | 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.