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
4.64%
Industry change · 12M
-0.39 pp
Pharmaceuticals · contribution
-0.386 pp
Company participation
57%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Oct 2021 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Johnson & Johnson →
JNJ
United States$428.8bn1.432%-0.122 pp-0.277 pp+21.8%No
Lilly (Eli) →
LLY
United States$243.7bn0.814%+0.013 pp+0.223 pp+98.6%Yes
Bristol Myers Squibb →
BMY
United States$129.6bn0.433%-0.084 pp-0.191 pp+3.1%No
Merck & Co. →
MRK
United States$222.9bn0.744%+0.077 pp-0.115 pp+26.9%Yes
Pfizer →
PFE
United States$245.2bn0.819%-0.003 pp-0.066 pp+35.2%Yes
Viatris →
VTRS
United States$16.1bn0.054%-0.004 pp+0.054 pp-6.8%No
Zoetis →
ZTS
United States$102.5bn0.342%+0.012 pp-0.014 pp+37.1%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.