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
Biotechnology3.20%-0.18 ppPharmaceuticals5.60%+0.10 ppHealth Care Equipment2.92%+0.10 ppHealth Care Services0.63%-0.07 ppManaged Health Care1.90%-0.06 ppHealth Care Distributors0.47%-0.04 ppLife Sciences Tools & Services1.53%+0.02 ppHealth Care Facilities0.21%+0.00 ppHealth Care Supplies0.14%+0.00 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Pharmaceuticals
Pharmaceuticals · weight
5.60%
Industry change · 12M
+0.10 pp
Pharmaceuticals · contribution
+0.101 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Mar 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 | $103.3bn | 0.634% | +0.049 pp | +0.049 pp | +1.0% | Yes |
| Zoetis → ZTS | United States | $40.5bn | 0.249% | +0.035 pp | +0.035 pp | +8.8% | Yes |
| Pfizer → PFE | United States | $200.4bn | 1.230% | +0.035 pp | +0.035 pp | -3.3% | Yes |
| Merck & Co. → MRK | United States | $140.1bn | 0.860% | -0.019 pp | -0.019 pp | -7.3% | Yes |
| Lilly (Eli) → LLY | United States | $84.8bn | 0.520% | +0.009 pp | +0.009 pp | -4.3% | Yes |
| Johnson & Johnson → JNJ | United States | $343.8bn | 2.109% | -0.008 pp | -0.008 pp | -6.7% | 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.