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
5.03%
Industry change · 12M
+0.03 pp
Pharmaceuticals · contribution
+0.033 pp
Company participation
43%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Lilly (Eli) →
LLY
United States$739.2bn2.050%+0.400 pp+0.937 pp+128.4%Yes
Pfizer →
PFE
United States$156.7bn0.435%-0.050 pp-0.348 pp-28.5%No
Johnson & Johnson →
JNJ
United States$381.0bn1.057%-0.068 pp-0.320 pp+5.2%No
Bristol Myers Squibb →
BMY
United States$109.7bn0.304%-0.007 pp-0.192 pp-18.7%No
Zoetis →
ZTS
United States$77.5bn0.215%-0.055 pp-0.048 pp+2.6%No
Merck & Co. →
MRK
United States$334.2bn0.927%+0.103 pp+0.005 pp+27.4%Yes
Viatris →
VTRS
United States$14.2bn0.039%+0.001 pp+0.000 pp+30.0%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.