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
5.11%
Industry change · 12M
-0.44 pp
Pharmaceuticals · contribution
-0.438 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Lilly (Eli) →
LLY
United States$525.8bn1.788%+0.847 pp+0.567 pp+54.6%Yes
Johnson & Johnson →
JNJ
United States$357.1bn1.214%+0.265 pp-0.400 pp-12.3%Yes
Pfizer →
PFE
United States$172.5bn0.587%+0.143 pp-0.341 pp-31.7%Yes
Bristol Myers Squibb →
BMY
United States$104.9bn0.356%+0.073 pp-0.228 pp-31.1%Yes
Merck & Co. →
MRK
United States$260.6bn0.886%+0.296 pp-0.024 pp+4.3%Yes
Viatris →
VTRS
United States$10.7bn0.036%+0.009 pp-0.007 pp-8.0%Yes
Zoetis →
ZTS
United States$72.3bn0.246%+0.056 pp-0.005 pp+5.1%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.