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
Managed Health Care0.70%-0.62 ppHealth Care Equipment2.38%+0.59 ppLife Sciences Tools & Services0.93%-0.14 ppBiotechnology1.78%+0.14 ppPharmaceuticals3.35%+0.13 ppHealth Care Distributors0.40%+0.11 ppHealth Care Services0.42%+0.03 ppHealth Care Supplies0.09%-0.02 ppHealth Care Facilities0.18%+0.01 ppHealth Care Technology0.03%+0.01 pp
3 · Sub-industry
Inside Pharmaceuticals
Pharmaceuticals · weight
3.35%
Industry change · 12M
+0.13 pp
Pharmaceuticals · contribution
+0.132 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jul 2025 · 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 | $396.8bn | 0.837% | -0.066 pp | +0.156 pp | +7.8% | No |
| Lilly (Eli) → LLY | United States | $701.4bn | 1.479% | -0.568 pp | +0.109 pp | -7.4% | No |
| Merck & Co. → MRK | United States | $196.2bn | 0.414% | -0.103 pp | -0.100 pp | -28.6% | No |
| Pfizer → PFE | United States | $132.4bn | 0.279% | -0.053 pp | -0.031 pp | -18.4% | No |
| Bristol Myers Squibb → BMY | United States | $88.2bn | 0.186% | -0.059 pp | +0.013 pp | -4.7% | No |
| Zoetis → ZTS | United States | $64.9bn | 0.137% | -0.031 pp | -0.010 pp | -18.0% | No |
| Viatris → VTRS | United States | $10.3bn | 0.022% | -0.002 pp | -0.004 pp | -24.1% | 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.