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 Technology33.7%+4.42 pp Financials12.6%+1.00 pp Consumer Staples7.2%+0.57 pp Utilities2.7%+0.11 pp Communication Services2.7%-0.04 pp Real Estate2.5%-0.34 pp Energy2.6%-0.50 pp Materials2.3%-0.52 pp Consumer Discretionary11.8%-0.67 pp Industrials9.5%-0.95 pp Health Care12.4%-3.07 pp

2 · Industry

Inside Health Care

Pharmaceuticals4.16%-0.96 pp Life Sciences Tools & Services1.08%-0.59 pp Managed Health Care1.31%-0.57 pp Biotechnology2.04%-0.33 pp Health Care Equipment2.67%-0.31 pp Health Care Services0.49%-0.18 pp Health Care Facilities0.17%-0.07 pp Health Care Distributors0.38%-0.06 pp Health Care Supplies0.11%-0.04 pp Health Care Technology0.03%+0.03 pp

3 · Sub-industry

Inside Pharmaceuticals

Pharmaceuticals4.16%-0.955 pp

Concentrated

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

View all contributions →

Pharmaceuticals · weight

4.16%

Industry change · 12M

-0.96 pp

Pharmaceuticals · contribution

-0.955 pp

Company participation

43%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Feb 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	$233.0bn	0.521%	-0.046 pp	-0.402 pp	-25.5%	No
Johnson & Johnson → JNJ	United States	$397.3bn	0.889%	+0.065 pp	-0.225 pp	+5.5%	Yes
Lilly (Eli) → LLY	United States	$872.9bn	1.952%	+0.286 pp	-0.100 pp	+22.9%	Yes
Pfizer → PFE	United States	$149.8bn	0.335%	+0.007 pp	-0.095 pp	+5.7%	No
Zoetis → ZTS	United States	$74.9bn	0.167%	-0.007 pp	-0.093 pp	-14.8%	No
Bristol Myers Squibb → BMY	United States	$121.0bn	0.271%	+0.006 pp	-0.023 pp	+23.3%	Yes
Viatris → VTRS	United States	$11.0bn	0.025%	-0.010 pp	-0.017 pp	-22.3%	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.