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
4.40%
Industry change · 12M
-0.86 pp
Pharmaceuticals · contribution
-0.862 pp
Company participation
86%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Sep 2024 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Johnson & Johnson →
JNJ
United States$390.1bn0.908%+0.249 pp-0.444 pp+7.3%Yes
Lilly (Eli) →
LLY
United States$842.0bn1.960%+0.347 pp+0.257 pp+66.0%Yes
Pfizer →
PFE
United States$164.0bn0.382%+0.085 pp-0.244 pp-7.6%Yes
Merck & Co. →
MRK
United States$287.9bn0.670%+0.082 pp-0.202 pp+13.2%No
Bristol Myers Squibb →
BMY
United States$104.9bn0.244%+0.086 pp-0.161 pp-6.4%Yes
Zoetis →
ZTS
United States$88.5bn0.206%+0.058 pp-0.061 pp+13.4%Yes
Viatris →
VTRS
United States$13.9bn0.032%+0.009 pp-0.007 pp+23.1%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.