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
0.01%
Industry change · 12M
-6.09 pp
Pharmaceuticals · contribution
-6.092 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Mar 2020 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Johnson & Johnson →
JNJ
United States$345.5bn0.002%-1.882 pp-2.137 pp-3.6%No
Pfizer →
PFE
United States$171.8bn0.001%-1.008 pp-1.284 pp-20.2%No
Merck & Co. →
MRK
United States$186.2bn0.001%-1.083 pp-1.176 pp-4.8%No
Lilly (Eli) →
LLY
United States$132.7bn0.001%-0.618 pp-0.771 pp+9.3%No
Bristol Myers Squibb →
BMY
United States$125.8bn0.001%-0.512 pp-0.447 pp+20.8%No
Zoetis →
ZTS
United States$55.9bn0.000%-0.309 pp-0.277 pp+17.6%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.