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
5.11%
Industry change · 12M
+0.09 pp
Pharmaceuticals · contribution
+0.093 pp
Company participation
57%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Feb 2024 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Lilly (Eli) →
LLY
United States$716.1bn2.052%+0.303 pp+1.012 pp+144.2%Yes
Pfizer →
PFE
United States$150.0bn0.430%-0.107 pp-0.372 pp-31.2%No
Johnson & Johnson →
JNJ
United States$388.7bn1.114%-0.047 pp-0.289 pp+8.5%No
Bristol Myers Squibb →
BMY
United States$102.6bn0.294%-0.019 pp-0.215 pp-23.5%No
Merck & Co. →
MRK
United States$322.0bn0.923%+0.113 pp-0.025 pp+23.0%Yes
Zoetis →
ZTS
United States$90.8bn0.260%+0.007 pp-0.012 pp+19.8%Yes
Viatris →
VTRS
United States$14.7bn0.042%+0.008 pp-0.006 pp+13.8%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.