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

Information Technology36.6%+3.08 pp Industrials10.0%+0.39 pp Communication Services2.7%+0.26 pp Materials2.4%+0.12 pp Energy2.5%+0.04 pp Utilities2.6%-0.06 pp Real Estate2.1%-0.26 pp Consumer Staples6.3%-0.46 pp Consumer Discretionary12.3%-0.81 pp Financials11.4%-1.15 pp Health Care11.0%-1.15 pp

2 · Industry

Inside Health Care

Managed Health Care0.73%-0.73 pp Health Care Equipment2.13%-0.49 pp Life Sciences Tools & Services0.99%-0.21 pp Pharmaceuticals4.08%+0.20 pp Health Care Distributors0.44%+0.08 pp Biotechnology1.93%+0.08 pp Health Care Supplies0.08%-0.05 pp Health Care Services0.42%-0.04 pp Health Care Facilities0.21%+0.03 pp Health Care Technology0.03%-0.00 pp

3 · Sub-industry

Inside Pharmaceuticals

Pharmaceuticals4.08%+0.199 pp

Concentrated

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

View all contributions →

Pharmaceuticals · weight

4.08%

Industry change · 12M

+0.20 pp

Pharmaceuticals · contribution

+0.199 pp

Company participation

86%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jan 2026 · 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
Johnson & Johnson → JNJ	United States	$547.5bn	1.048%	+0.156 pp	+0.233 pp	+53.9%	Yes
Lilly (Eli) → LLY	United States	$980.5bn	1.876%	+0.278 pp	+0.164 pp	+28.8%	Yes
Zoetis → ZTS	United States	$55.0bn	0.105%	-0.020 pp	-0.066 pp	-25.9%	No
Bristol Myers Squibb → BMY	United States	$112.1bn	0.214%	+0.031 pp	-0.051 pp	-1.9%	Yes
Pfizer → PFE	United States	$150.3bn	0.288%	+0.013 pp	-0.047 pp	+6.9%	Yes
Merck & Co. → MRK	United States	$273.7bn	0.524%	+0.103 pp	-0.032 pp	+15.8%	Yes
Viatris → VTRS	United States	$15.1bn	0.029%	+0.005 pp	-0.001 pp	+21.9%	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.