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
Universe›Health Care›Pharmaceuticals›Pharmaceuticals
Pharmaceuticals · weight
3.77%
Industry change · 12M
-1.83 pp
Pharmaceuticals · contribution
-1.833 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

May 2023 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Johnson & Johnson →
JNJ
United States$403.0bn0.995%-0.408 pp-0.706 pp-11.2%No
Pfizer →
PFE
United States$214.6bn0.530%-0.271 pp-0.542 pp-25.7%No
Bristol Myers Squibb →
BMY
United States$135.4bn0.334%-0.174 pp-0.244 pp-11.9%No
Merck & Co. →
MRK
United States$280.2bn0.692%-0.256 pp-0.146 pp+23.6%No
Zoetis →
ZTS
United States$75.3bn0.186%-0.086 pp-0.104 pp-3.8%No
Lilly (Eli) →
LLY
United States$407.7bn1.007%-0.033 pp-0.065 pp+38.7%No
Viatris →
VTRS
United States$11.0bn0.027%-0.021 pp-0.026 pp-21.9%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.