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
3.41%
Industry change · 12M
-0.36 pp
Pharmaceuticals · contribution
-0.358 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Lilly (Eli) →
LLY
United States$779.7bn1.490%-0.562 pp+0.483 pp+92.4%No
Johnson & Johnson →
JNJ
United States$353.0bn0.675%-0.439 pp-0.321 pp-2.4%No
Pfizer →
PFE
United States$162.4bn0.310%-0.119 pp-0.220 pp-20.4%No
Bristol Myers Squibb →
BMY
United States$83.3bn0.159%-0.135 pp-0.175 pp-33.5%No
Merck & Co. →
MRK
United States$318.0bn0.608%-0.315 pp-0.084 pp+16.8%No
Zoetis →
ZTS
United States$77.4bn0.148%-0.112 pp-0.038 pp+5.0%No
Viatris →
VTRS
United States$12.6bn0.024%-0.018 pp-0.003 pp+21.1%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.