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
Pharmaceuticals4.61%+4.60 ppHealth Care Equipment3.14%+3.13 ppManaged Health Care2.10%+2.10 ppBiotechnology2.08%+2.07 ppLife Sciences Tools & Services2.00%+2.00 ppHealth Care Services0.92%+0.91 ppHealth Care Distributors0.29%+0.29 ppHealth Care Supplies0.28%+0.28 ppHealth Care Facilities0.25%+0.25 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Pharmaceuticals
Pharmaceuticals · weight
4.61%
Industry change · 12M
+4.60 pp
Pharmaceuticals · contribution
+4.602 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
May 2021 · 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 | $445.7bn | 1.597% | +0.764 pp | +1.594 pp | +16.8% | Yes |
| Pfizer → PFE | United States | $216.8bn | 0.777% | +0.403 pp | +0.776 pp | +11.3% | Yes |
| Lilly (Eli) → LLY | United States | $191.6bn | 0.686% | +0.294 pp | +0.685 pp | +33.0% | Yes |
| Merck & Co. → MRK | United States | $183.4bn | 0.657% | +0.306 pp | +0.656 pp | -2.9% | Yes |
| Bristol Myers Squibb → BMY | United States | $146.7bn | 0.526% | +0.251 pp | +0.525 pp | +13.5% | Yes |
| Zoetis → ZTS | United States | $83.9bn | 0.300% | +0.153 pp | +0.300 pp | +27.5% | Yes |
| Viatris → VTRS | United States | $18.4bn | 0.066% | +0.066 pp | +0.066 pp | -10.1% | 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.