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
3.86%
Industry change · 12M
-1.00 pp
Pharmaceuticals · contribution
-0.998 pp
Company participation
29%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Johnson & Johnson →
JNJ
United States$373.2bn0.824%-0.141 pp-0.337 pp+3.4%No
Merck & Co. →
MRK
United States$257.1bn0.567%-0.158 pp-0.242 pp+1.8%No
Pfizer →
PFE
United States$148.5bn0.328%-0.069 pp-0.209 pp-8.7%No
Lilly (Eli) →
LLY
United States$755.0bn1.666%-0.538 pp-0.083 pp+35.4%No
Zoetis →
ZTS
United States$79.1bn0.174%-0.026 pp-0.078 pp+0.2%No
Bristol Myers Squibb →
BMY
United States$120.1bn0.265%+0.020 pp-0.048 pp+26.0%Yes
Viatris →
VTRS
United States$15.6bn0.034%-0.000 pp+0.000 pp+48.5%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.