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 Technology29.9%+5.36 pp Consumer Discretionary12.3%+1.32 pp Materials2.8%-0.26 pp Communication Services2.9%-0.31 pp Industrials9.8%-0.31 pp Real Estate2.9%-0.32 pp Utilities2.9%-0.55 pp Energy3.3%-0.63 pp Consumer Staples6.8%-0.92 pp Financials11.2%-1.15 pp Health Care15.3%-2.24 pp

2 · Industry

Inside Health Care

Pharmaceuticals4.86%-0.69 pp Biotechnology2.29%-0.52 pp Life Sciences Tools & Services1.59%-0.39 pp Managed Health Care2.25%-0.32 pp Health Care Services0.65%-0.29 pp Health Care Equipment2.84%-0.04 pp Health Care Facilities0.21%-0.02 pp Health Care Supplies0.14%+0.02 pp Health Care Distributors0.43%+0.02 pp Health Care Technology0.00%+0.00 pp

3 · Sub-industry

Inside Pharmaceuticals

Pharmaceuticals4.86%-0.691 pp

Concentrated

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

View all contributions →

Pharmaceuticals · weight

4.86%

Industry change · 12M

-0.69 pp

Pharmaceuticals · contribution

-0.691 pp

Company participation

43%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Nov 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
Lilly (Eli) → LLY	United States	$561.1bn	1.749%	+0.073 pp	+0.553 pp	+60.8%	Yes
Johnson & Johnson → JNJ	United States	$372.3bn	1.161%	-0.178 pp	-0.419 pp	-10.5%	No
Pfizer → PFE	United States	$172.0bn	0.536%	-0.100 pp	-0.419 pp	-36.5%	No
Bristol Myers Squibb → BMY	United States	$100.5bn	0.313%	-0.097 pp	-0.266 pp	-36.3%	No
Merck & Co. → MRK	United States	$259.7bn	0.810%	-0.072 pp	-0.138 pp	-4.4%	Yes
Viatris → VTRS	United States	$11.0bn	0.034%	-0.007 pp	-0.011 pp	-12.7%	No
Zoetis → ZTS	United States	$81.1bn	0.253%	-0.027 pp	+0.009 pp	+15.7%	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.