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
3.54%
Industry change · 12M
-1.96 pp
Pharmaceuticals · contribution
-1.961 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Johnson & Johnson →
JNJ
United States$375.4bn1.273%-0.801 pp-0.845 pp+3.4%No
Pfizer →
PFE
United States$239.5bn0.812%-0.481 pp-0.383 pp+19.5%No
Bristol Myers Squibb →
BMY
United States$82.5bn0.280%-0.280 pp-0.305 pp-17.6%No
Merck & Co. →
MRK
United States$186.8bn0.633%-0.353 pp-0.245 pp+27.2%No
Lilly (Eli) →
LLY
United States$116.5bn0.395%-0.224 pp-0.117 pp+35.8%No
Zoetis →
ZTS
United States$43.4bn0.147%-0.097 pp-0.066 pp+17.8%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.