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
Pharmaceuticals3.77%-1.83 ppManaged Health Care1.62%-0.88 ppHealth Care Equipment2.30%-0.81 ppBiotechnology1.77%-0.80 ppLife Sciences Tools & Services1.27%-0.79 ppHealth Care Services0.49%-0.43 ppHealth Care Distributors0.29%-0.09 ppHealth Care Supplies0.13%-0.05 ppHealth Care Facilities0.18%-0.04 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Pharmaceuticals
Pharmaceuticals · weight
3.77%
Industry change · 12M
-1.83 pp
Pharmaceuticals · contribution
-1.833 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
May 2023 · 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 | $403.0bn | 0.995% | -0.408 pp | -0.706 pp | -11.2% | No |
| Pfizer → PFE | United States | $214.6bn | 0.530% | -0.271 pp | -0.542 pp | -25.7% | No |
| Bristol Myers Squibb → BMY | United States | $135.4bn | 0.334% | -0.174 pp | -0.244 pp | -11.9% | No |
| Merck & Co. → MRK | United States | $280.2bn | 0.692% | -0.256 pp | -0.146 pp | +23.6% | No |
| Zoetis → ZTS | United States | $75.3bn | 0.186% | -0.086 pp | -0.104 pp | -3.8% | No |
| Lilly (Eli) → LLY | United States | $407.7bn | 1.007% | -0.033 pp | -0.065 pp | +38.7% | No |
| Viatris → VTRS | United States | $11.0bn | 0.027% | -0.021 pp | -0.026 pp | -21.9% | 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.