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
5.82%
Industry change · 12M
+0.98 pp
Pharmaceuticals · contribution
+0.985 pp
Company participation
71%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Dec 2022 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Lilly (Eli) →
LLY
United States$347.6bn1.254%+0.047 pp+0.408 pp+34.3%Yes
Merck & Co. →
MRK
United States$281.3bn1.015%+0.158 pp+0.395 pp+49.4%Yes
Johnson & Johnson →
JNJ
United States$461.8bn1.667%-0.021 pp+0.224 pp+6.0%Yes
Zoetis →
ZTS
United States$68.3bn0.246%-0.026 pp-0.123 pp-39.5%No
Bristol Myers Squibb →
BMY
United States$153.0bn0.552%-0.044 pp+0.109 pp+19.0%No
Pfizer →
PFE
United States$287.6bn1.038%+0.073 pp-0.024 pp-10.4%Yes
Viatris →
VTRS
United States$13.5bn0.049%+0.008 pp-0.004 pp-14.3%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.