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
3.70%
Industry change · 12M
-2.35 pp
Pharmaceuticals · contribution
-2.354 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Johnson & Johnson →
JNJ
United States$430.1bn0.995%-0.382 pp-0.822 pp-4.1%No
Pfizer →
PFE
United States$207.1bn0.479%-0.303 pp-0.665 pp-27.5%No
Bristol Myers Squibb →
BMY
United States$134.3bn0.311%-0.186 pp-0.327 pp-15.0%No
Merck & Co. →
MRK
United States$292.8bn0.677%-0.244 pp-0.219 pp+30.2%No
Lilly (Eli) →
LLY
United States$445.2bn1.030%-0.084 pp-0.168 pp+46.4%No
Zoetis →
ZTS
United States$79.6bn0.184%-0.079 pp-0.131 pp+1.0%No
Viatris →
VTRS
United States$12.0bn0.028%-0.012 pp-0.022 pp-0.1%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.