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
3.30%
Industry change · 12M
-2.20 pp
Pharmaceuticals · contribution
-2.201 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Aug 2018 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Johnson & Johnson →
JNJ
United States$361.3bn1.166%-0.780 pp-0.951 pp-0.5%No
Pfizer →
PFE
United States$230.9bn0.745%-0.465 pp-0.449 pp+15.2%No
Merck & Co. →
MRK
United States$174.1bn0.562%-0.365 pp-0.317 pp+17.7%No
Bristol Myers Squibb →
BMY
United States$98.8bn0.319%-0.203 pp-0.265 pp-2.0%No
Lilly (Eli) →
LLY
United States$113.5bn0.366%-0.194 pp-0.145 pp+32.3%No
Zoetis →
ZTS
United States$43.7bn0.141%-0.105 pp-0.072 pp+18.4%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.