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
3.49%
Industry change · 12M
-0.00 pp
Pharmaceuticals · contribution
-0.000 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jun 2025 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Merck & Co. →
MRK
United States$198.8bn0.429%-0.110 pp-0.159 pp-33.9%No
Johnson & Johnson →
JNJ
United States$367.5bn0.792%-0.155 pp+0.133 pp+7.9%No
Bristol Myers Squibb →
BMY
United States$94.2bn0.203%-0.091 pp+0.045 pp+16.9%No
Lilly (Eli) →
LLY
United States$738.8bn1.593%-0.266 pp-0.020 pp-13.3%No
Zoetis →
ZTS
United States$69.4bn0.150%-0.025 pp+0.001 pp-9.0%No
Viatris →
VTRS
United States$10.5bn0.023%-0.002 pp-0.001 pp-12.0%No
Pfizer →
PFE
United States$137.8bn0.297%-0.044 pp-0.000 pp-7.6%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.