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
4.80%
Industry change · 12M
+2.43 pp
Pharmaceuticals · contribution
+2.426 pp
Company participation
43%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Johnson & Johnson →
JNJ
United States$432.7bn1.501%+0.114 pp+0.668 pp+6.5%Yes
Pfizer →
PFE
United States$264.0bn0.916%-0.103 pp+0.542 pp+45.2%No
Lilly (Eli) →
LLY
United States$238.0bn0.826%+0.024 pp+0.433 pp+23.8%Yes
Merck & Co. →
MRK
United States$193.6bn0.671%+0.032 pp+0.321 pp+14.5%No
Bristol Myers Squibb →
BMY
United States$149.7bn0.519%+0.117 pp+0.245 pp+15.6%Yes
Zoetis →
ZTS
United States$91.4bn0.317%-0.038 pp+0.170 pp+25.4%No
Viatris →
VTRS
United States$13.3bn0.046%-0.004 pp+0.046 pp-23.5%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.