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 Technology27.2%+9.30 pp Health Care16.9%+0.36 pp Materials3.2%-0.04 pp Consumer Discretionary6.8%-0.33 pp Communication Services4.9%-0.41 pp Utilities3.4%-0.47 pp Consumer Staples8.5%-0.55 pp Real Estate3.2%-0.60 pp Industrials11.8%-1.61 pp Energy1.6%-1.86 pp Financials12.5%-3.80 pp

2 · Industry

Inside Health Care

Life Sciences Tools & Services2.24%+0.50 pp Pharmaceuticals5.03%-0.32 pp Managed Health Care2.11%+0.18 pp Health Care Supplies0.27%+0.15 pp Health Care Services0.84%-0.15 pp Health Care Equipment3.48%+0.12 pp Biotechnology2.43%-0.06 pp Health Care Facilities0.20%-0.04 pp Health Care Distributors0.31%-0.03 pp Health Care Technology0.00%+0.00 pp

3 · Sub-industry

Inside Pharmaceuticals

Pharmaceuticals5.03%-0.315 pp

Concentrated

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

View all contributions →

Pharmaceuticals · weight

5.03%

Industry change · 12M

-0.32 pp

Pharmaceuticals · contribution

-0.315 pp

Company participation

100%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Oct 2020 · 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	$181.5bn	0.859%	+0.858 pp	-0.244 pp	-10.5%	Yes
Pfizer → PFE	United States	$187.1bn	0.886%	+0.885 pp	-0.164 pp	-3.8%	Yes
Bristol Myers Squibb → BMY	United States	$131.7bn	0.624%	+0.623 pp	+0.137 pp	+5.0%	Yes
Johnson & Johnson → JNJ	United States	$360.9bn	1.709%	+1.707 pp	-0.102 pp	+6.7%	Yes
Zoetis → ZTS	United States	$75.3bn	0.357%	+0.356 pp	+0.038 pp	+24.7%	Yes
Lilly (Eli) → LLY	United States	$124.8bn	0.591%	+0.590 pp	+0.021 pp	+16.9%	Yes
Viatris → VTRS	United States	$0.0bn	0.000%	+0.000 pp	+0.000 pp	-24.1%	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.