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 Discretionary11.3%+4.18 pp Energy3.7%+0.58 pp Industrials10.3%+0.07 pp Utilities3.2%+0.05 pp Materials3.2%+0.02 pp Real Estate3.2%+0.00 pp Health Care16.6%-0.02 pp Consumer Staples7.5%-0.07 pp Communication Services3.3%-0.59 pp Financials12.6%-0.72 pp Information Technology25.1%-3.51 pp

2 · Industry

Inside Health Care

Health Care Equipment3.04%-0.28 pp Biotechnology2.64%+0.26 pp Pharmaceuticals5.02%+0.22 pp Life Sciences Tools & Services1.94%-0.10 pp Health Care Services0.83%-0.08 pp Health Care Supplies0.18%-0.08 pp Health Care Distributors0.38%+0.04 pp Health Care Facilities0.24%-0.03 pp Managed Health Care2.30%+0.01 pp Health Care Technology0.00%+0.00 pp

3 · Sub-industry

Inside Pharmaceuticals

Pharmaceuticals5.02%+0.225 pp

Concentrated

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

View all contributions →

Pharmaceuticals · weight

5.02%

Industry change · 12M

+0.22 pp

Pharmaceuticals · contribution

+0.225 pp

Company participation

43%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Feb 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
Merck & Co. → MRK	United States	$269.7bn	0.948%	+0.001 pp	+0.277 pp	+43.2%	Yes
Lilly (Eli) → LLY	United States	$295.8bn	1.040%	-0.157 pp	+0.214 pp	+26.1%	No
Pfizer → PFE	United States	$228.0bn	0.801%	-0.154 pp	-0.114 pp	-10.6%	No
Johnson & Johnson → JNJ	United States	$399.1bn	1.403%	-0.176 pp	-0.098 pp	-4.4%	No
Zoetis → ZTS	United States	$77.4bn	0.272%	+0.028 pp	-0.045 pp	-13.1%	Yes
Bristol Myers Squibb → BMY	United States	$144.7bn	0.509%	-0.070 pp	-0.010 pp	+3.5%	No
Viatris → VTRS	United States	$13.6bn	0.048%	+0.003 pp	+0.002 pp	+7.0%	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.