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
4.23%
Industry change · 12M
-0.88 pp
Pharmaceuticals · contribution
-0.882 pp
Company participation
86%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Johnson & Johnson →
JNJ
United States$384.9bn0.905%+0.224 pp-0.309 pp+11.2%Yes
Merck & Co. →
MRK
United States$259.4bn0.610%+0.096 pp-0.276 pp+2.3%No
Pfizer →
PFE
United States$160.4bn0.377%+0.067 pp-0.210 pp-1.9%Yes
Bristol Myers Squibb →
BMY
United States$113.1bn0.266%+0.093 pp-0.091 pp+13.7%Yes
Lilly (Eli) →
LLY
United States$787.7bn1.851%+0.481 pp+0.064 pp+50.8%Yes
Zoetis →
ZTS
United States$81.0bn0.190%+0.043 pp-0.055 pp+15.0%Yes
Viatris →
VTRS
United States$13.8bn0.033%+0.007 pp-0.004 pp+36.2%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.