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 Care1.88%-0.42 ppBiotechnology2.37%-0.28 ppLife Sciences Tools & Services1.67%-0.27 ppHealth Care Services0.67%-0.15 ppPharmaceuticals5.11%+0.09 ppHealth Care Equipment2.98%-0.05 ppHealth Care Distributors0.44%+0.05 ppHealth Care Supplies0.15%-0.03 ppHealth Care Facilities0.24%-0.00 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Pharmaceuticals
Pharmaceuticals · weight
5.11%
Industry change · 12M
+0.09 pp
Pharmaceuticals · contribution
+0.093 pp
Company participation
57%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Feb 2024 · 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 |
|---|---|---|---|---|---|---|---|
| Lilly (Eli) → LLY | United States | $716.1bn | 2.052% | +0.303 pp | +1.012 pp | +144.2% | Yes |
| Pfizer → PFE | United States | $150.0bn | 0.430% | -0.107 pp | -0.372 pp | -31.2% | No |
| Johnson & Johnson → JNJ | United States | $388.7bn | 1.114% | -0.047 pp | -0.289 pp | +8.5% | No |
| Bristol Myers Squibb → BMY | United States | $102.6bn | 0.294% | -0.019 pp | -0.215 pp | -23.5% | No |
| Merck & Co. → MRK | United States | $322.0bn | 0.923% | +0.113 pp | -0.025 pp | +23.0% | Yes |
| Zoetis → ZTS | United States | $90.8bn | 0.260% | +0.007 pp | -0.012 pp | +19.8% | Yes |
| Viatris → VTRS | United States | $14.7bn | 0.042% | +0.008 pp | -0.006 pp | +13.8% | 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.