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
4.75%
Industry change · 12M
+4.74 pp
Pharmaceuticals · contribution
+4.744 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jul 2021 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Johnson & Johnson →
JNJ
United States$453.3bn1.554%+0.001 pp+1.552 pp+21.3%Yes
Pfizer →
PFE
United States$239.6bn0.822%+0.040 pp+0.821 pp+22.0%Yes
Lilly (Eli) →
LLY
United States$233.5bn0.801%+0.165 pp+0.800 pp+65.1%Yes
Merck & Co. →
MRK
United States$194.6bn0.667%+0.015 pp+0.666 pp+3.7%Yes
Bristol Myers Squibb →
BMY
United States$150.8bn0.517%+0.012 pp+0.516 pp+19.3%Yes
Zoetis →
ZTS
United States$96.2bn0.330%+0.032 pp+0.330 pp+34.4%Yes
Viatris →
VTRS
United States$17.0bn0.058%+0.000 pp+0.058 pp-12.0%Yes

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.