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
Pharmaceuticals4.87%+1.93 ppHealth Care Equipment3.17%+1.20 ppManaged Health Care2.18%+1.04 ppBiotechnology2.33%+0.96 ppLife Sciences Tools & Services2.10%+0.84 ppHealth Care Services0.90%+0.37 ppHealth Care Distributors0.31%+0.13 ppHealth Care Facilities0.25%+0.12 ppHealth Care Supplies0.25%+0.08 ppHealth Care Technology0.00%+0.00 pp
3 · Sub-industry
Inside Pharmaceuticals
Pharmaceuticals · weight
4.87%
Industry change · 12M
+1.93 pp
Pharmaceuticals · contribution
+1.928 pp
Company participation
71%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jan 2022 · 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 |
|---|---|---|---|---|---|---|---|
| Pfizer → PFE | United States | $295.7bn | 0.995% | +0.176 pp | +0.517 pp | +52.0% | Yes |
| Johnson & Johnson → JNJ | United States | $453.6bn | 1.525% | +0.093 pp | +0.497 pp | +8.3% | Yes |
| Lilly (Eli) → LLY | United States | $234.7bn | 0.789% | -0.025 pp | +0.313 pp | +19.8% | No |
| Merck & Co. → MRK | United States | $205.8bn | 0.692% | -0.052 pp | +0.247 pp | +14.8% | Yes |
| Bristol Myers Squibb → BMY | United States | $144.0bn | 0.484% | +0.051 pp | +0.152 pp | +9.1% | Yes |
| Zoetis → ZTS | United States | $94.5bn | 0.318% | -0.024 pp | +0.142 pp | +30.2% | No |
| Viatris → VTRS | United States | $18.1bn | 0.061% | +0.007 pp | +0.061 pp | -9.8% | 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.