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 Technology40.9%+4.04 pp Energy3.9%+1.55 pp Health Care10.6%+0.01 pp Communication Services2.3%-0.19 pp Materials2.0%-0.23 pp Real Estate1.9%-0.31 pp Industrials9.3%-0.48 pp Utilities2.2%-0.48 pp Consumer Staples5.5%-0.92 pp Consumer Discretionary10.8%-1.27 pp Financials10.5%-1.72 pp

2 · Industry

Inside Health Care

Health Care Equipment1.61%-0.81 pp Pharmaceuticals4.07%+0.65 pp Biotechnology1.99%+0.19 pp Health Care Technology0.10%+0.08 pp Health Care Facilities0.15%-0.04 pp Health Care Services0.43%-0.04 pp Life Sciences Tools & Services0.93%-0.03 pp Managed Health Care0.85%+0.02 pp Health Care Supplies0.08%-0.00 pp Health Care Distributors0.38%-0.00 pp

3 · Sub-industry

Inside Pharmaceuticals

Pharmaceuticals4.07%+0.652 pp

Concentrated

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

View all contributions →

Pharmaceuticals · weight

4.07%

Industry change · 12M

+0.65 pp

Pharmaceuticals · contribution

+0.652 pp

Company participation

86%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Aug 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
Lilly (Eli) → LLY	United States	$1088.9bn	1.813%	+0.010 pp	+0.376 pp	+58.9%	Yes
Johnson & Johnson → JNJ	United States	$640.7bn	1.067%	+0.127 pp	+0.182 pp	+53.4%	Yes
Merck & Co. → MRK	United States	$364.5bn	0.607%	+0.099 pp	+0.172 pp	+81.5%	Yes
Zoetis → ZTS	United States	$31.9bn	0.053%	-0.003 pp	-0.091 pp	-49.8%	No
Bristol Myers Squibb → BMY	United States	$136.5bn	0.227%	+0.025 pp	+0.028 pp	+48.4%	Yes
Pfizer → PFE	United States	$162.2bn	0.270%	+0.012 pp	-0.022 pp	+23.0%	Yes
Viatris → VTRS	United States	$19.0bn	0.032%	-0.001 pp	+0.006 pp	+62.0%	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.