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 Care2.01%-0.36 ppLife Sciences Tools & Services1.64%-0.36 ppPharmaceuticals4.92%-0.29 ppHealth Care Services0.67%-0.20 ppBiotechnology2.51%-0.17 ppHealth Care Equipment3.01%+0.07 ppHealth Care Distributors0.44%+0.03 ppHealth Care Facilities0.24%-0.00 ppHealth Care Supplies0.16%+0.00 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Pharmaceuticals
Pharmaceuticals · weight
4.92%
Industry change · 12M
-0.29 pp
Pharmaceuticals · contribution
-0.286 pp
Company participation
43%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jan 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 | $612.9bn | 1.822% | +0.035 pp | +0.703 pp | +89.4% | Yes |
| Pfizer → PFE | United States | $152.9bn | 0.455% | -0.132 pp | -0.394 pp | -35.5% | No |
| Johnson & Johnson → JNJ | United States | $382.5bn | 1.137% | -0.077 pp | -0.325 pp | +0.2% | No |
| Bristol Myers Squibb → BMY | United States | $99.4bn | 0.296% | -0.061 pp | -0.233 pp | -30.1% | No |
| Merck & Co. → MRK | United States | $306.1bn | 0.910% | +0.024 pp | -0.022 pp | +15.6% | Yes |
| Viatris → VTRS | United States | $14.1bn | 0.042% | +0.006 pp | -0.008 pp | +1.5% | Yes |
| Zoetis → ZTS | United States | $86.2bn | 0.256% | +0.011 pp | -0.008 pp | +14.5% | 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.