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 Equipment2.88%+0.05 ppPharmaceuticals5.54%+0.04 ppHealth Care Services0.66%-0.04 ppBiotechnology3.42%+0.04 ppHealth Care Distributors0.49%-0.02 ppHealth Care Supplies0.14%+0.01 ppLife Sciences Tools & Services1.51%-0.01 ppManaged Health Care1.95%-0.00 ppHealth Care Facilities0.21%+0.00 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Pharmaceuticals
Pharmaceuticals · weight
5.54%
Industry change · 12M
+0.04 pp
Pharmaceuticals · contribution
+0.042 pp
Company participation
50%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Feb 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 |
|---|---|---|---|---|---|---|---|
| Bristol Myers Squibb → BMY | United States | $108.1bn | 0.648% | +0.063 pp | +0.063 pp | +5.8% | Yes |
| Merck & Co. → MRK | United States | $139.5bn | 0.836% | -0.043 pp | -0.043 pp | -8.5% | No |
| Pfizer → PFE | United States | $205.1bn | 1.229% | +0.034 pp | +0.034 pp | -1.1% | Yes |
| Johnson & Johnson → JNJ | United States | $348.5bn | 2.088% | -0.029 pp | -0.029 pp | -5.4% | No |
| Zoetis → ZTS | United States | $39.2bn | 0.235% | +0.022 pp | +0.022 pp | +5.4% | Yes |
| Lilly (Eli) → LLY | United States | $84.4bn | 0.506% | -0.006 pp | -0.006 pp | -4.7% | 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.