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
4.92%
Industry change · 12M
-0.29 pp
Pharmaceuticals · contribution
-0.286 pp
Company participation
43%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Lilly (Eli) →
LLY
United States$612.9bn1.822%+0.035 pp+0.703 pp+89.4%Yes
Pfizer →
PFE
United States$152.9bn0.455%-0.132 pp-0.394 pp-35.5%No
Johnson & Johnson →
JNJ
United States$382.5bn1.137%-0.077 pp-0.325 pp+0.2%No
Bristol Myers Squibb →
BMY
United States$99.4bn0.296%-0.061 pp-0.233 pp-30.1%No
Merck & Co. →
MRK
United States$306.1bn0.910%+0.024 pp-0.022 pp+15.6%Yes
Viatris →
VTRS
United States$14.1bn0.042%+0.006 pp-0.008 pp+1.5%Yes
Zoetis →
ZTS
United States$86.2bn0.256%+0.011 pp-0.008 pp+14.5%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.