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
3.42%
Industry change · 12M
-1.86 pp
Pharmaceuticals · contribution
-1.857 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jul 2023 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Johnson & Johnson →
JNJ
United States$435.4bn0.949%-0.488 pp-0.628 pp-1.3%No
Pfizer →
PFE
United States$203.6bn0.444%-0.294 pp-0.530 pp-25.7%No
Bristol Myers Squibb →
BMY
United States$129.9bn0.283%-0.191 pp-0.258 pp-12.9%No
Merck & Co. →
MRK
United States$270.6bn0.590%-0.400 pp-0.187 pp+22.8%No
Lilly (Eli) →
LLY
United States$431.5bn0.940%-0.329 pp-0.136 pp+39.5%No
Zoetis →
ZTS
United States$86.9bn0.189%-0.086 pp-0.106 pp+3.9%No
Viatris →
VTRS
United States$12.6bn0.028%-0.010 pp-0.013 pp+13.8%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.