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

1 · Sector

Weight and 12M allocation change

Consumer Discretionary11.2%+3.78 pp Energy3.9%+1.03 pp Health Care16.9%+0.53 pp Utilities3.4%+0.25 pp Industrials10.1%+0.16 pp Real Estate3.3%+0.09 pp Materials3.3%+0.07 pp Consumer Staples7.4%+0.03 pp Communication Services3.4%-0.27 pp Financials12.7%-1.04 pp Information Technology24.5%-4.63 pp

2 · Industry

Inside Health Care

Biotechnology2.68%+0.35 pp Pharmaceuticals5.20%+0.34 pp Health Care Equipment2.94%-0.23 pp Managed Health Care2.37%+0.19 pp Life Sciences Tools & Services2.00%-0.11 pp Health Care Distributors0.41%+0.10 pp Health Care Supplies0.15%-0.09 pp Health Care Services0.88%-0.02 pp Health Care Facilities0.25%-0.00 pp Health Care Technology0.00%+0.00 pp

3 · Sub-industry

Inside Pharmaceuticals

Pharmaceuticals5.20%+0.339 pp

Concentrated

Most of this industry's gains came from a few companies.

View all contributions →

Pharmaceuticals · weight

5.20%

Industry change · 12M

+0.34 pp

Pharmaceuticals · contribution

+0.339 pp

Company participation

43%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

Company	Country	Market cap	Universe weight	3M contribution	12M contribution	12M price return	Above 6M weight average
Lilly (Eli) → LLY	United States	$327.0bn	1.119%	-0.102 pp	+0.330 pp	+42.2%	No
Merck & Co. → MRK	United States	$272.3bn	0.932%	+0.022 pp	+0.240 pp	+36.1%	Yes
Pfizer → PFE	United States	$247.9bn	0.848%	-0.079 pp	-0.146 pp	-13.3%	No
Johnson & Johnson → JNJ	United States	$427.3bn	1.462%	-0.152 pp	-0.063 pp	-2.7%	No
Zoetis → ZTS	United States	$77.1bn	0.264%	+0.013 pp	-0.054 pp	-16.5%	Yes
Bristol Myers Squibb → BMY	United States	$154.5bn	0.529%	-0.056 pp	+0.044 pp	+15.3%	No
Viatris → VTRS	United States	$14.7bn	0.050%	+0.007 pp	-0.010 pp	-15.4%	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.