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 Technology33.1%+5.29 pp Financials12.3%+0.37 pp Communication Services2.8%+0.09 pp Utilities2.9%+0.07 pp Real Estate2.5%-0.09 pp Consumer Staples7.6%-0.20 pp Materials2.3%-0.53 pp Consumer Discretionary11.5%-0.54 pp Energy2.4%-0.88 pp Industrials9.9%-0.92 pp Health Care12.6%-2.65 pp

2 · Industry

Inside Health Care

Pharmaceuticals4.24%-0.80 pp Life Sciences Tools & Services1.01%-0.64 pp Managed Health Care1.28%-0.59 pp Health Care Equipment2.70%-0.22 pp Biotechnology2.07%-0.21 pp Health Care Services0.55%-0.13 pp Health Care Supplies0.11%-0.08 pp Health Care Facilities0.21%-0.03 pp Health Care Technology0.03%+0.03 pp Health Care Distributors0.45%+0.01 pp

3 · Sub-industry

Inside Pharmaceuticals

Pharmaceuticals4.24%-0.798 pp

Concentrated

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

View all contributions →

Pharmaceuticals · weight

4.24%

Industry change · 12M

-0.80 pp

Pharmaceuticals · contribution

-0.798 pp

Company participation

29%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Apr 2025 · 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	$215.2bn	0.517%	-0.039 pp	-0.431 pp	-32.1%	No
Johnson & Johnson → JNJ	United States	$376.1bn	0.903%	+0.089 pp	-0.106 pp	+11.6%	Yes
Lilly (Eli) → LLY	United States	$852.4bn	2.047%	+0.335 pp	-0.103 pp	+15.8%	Yes
Pfizer → PFE	United States	$138.3bn	0.332%	-0.002 pp	-0.087 pp	+1.2%	No
Zoetis → ZTS	United States	$70.0bn	0.168%	-0.003 pp	-0.043 pp	-0.7%	No
Viatris → VTRS	United States	$10.0bn	0.024%	-0.006 pp	-0.016 pp	-24.0%	No
Bristol Myers Squibb → BMY	United States	$102.2bn	0.245%	-0.021 pp	-0.013 pp	+19.9%	No

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.