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›Biotechnology›Biotechnology

1 · Sector

Weight and 12M allocation change

Communication Services5.2%+1.94 pp Materials2.8%+0.73 pp Information Technology17.9%+0.59 pp Utilities3.7%+0.30 pp Real Estate3.7%+0.26 pp Consumer Discretionary7.1%+0.24 pp Consumer Staples8.9%+0.13 pp Industrials14.4%-0.54 pp Health Care16.3%-0.95 pp Energy3.8%-1.22 pp Financials16.3%-1.49 pp

2 · Industry

Inside Health Care

Biotechnology2.27%-0.85 pp Pharmaceuticals5.25%-0.53 pp Health Care Services0.93%+0.30 pp Health Care Equipment3.39%+0.28 pp Managed Health Care1.99%-0.14 pp Life Sciences Tools & Services1.75%+0.11 pp Health Care Supplies0.11%-0.07 pp Health Care Distributors0.36%-0.03 pp Health Care Facilities0.24%-0.01 pp Health Care Technology0.00%+0.00 pp

3 · Sub-industry

Inside Biotechnology

Biotechnology2.27%-0.851 pp

Concentrated

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

View all contributions →

Biotechnology · weight

2.27%

Industry change · 12M

-0.85 pp

Biotechnology · contribution

-0.851 pp

Company participation

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jul 2019 · 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
AbbVie → ABBV	United States	$98.5bn	0.524%	-0.128 pp	-0.330 pp	-24.0%	No
Biogen → BIIB	United States	$43.9bn	0.233%	-0.014 pp	-0.159 pp	-28.9%	No
Gilead Sciences → GILD	United States	$83.3bn	0.443%	-0.019 pp	-0.147 pp	-12.8%	No
Amgen → AMGN	United States	$111.9bn	0.595%	-0.026 pp	-0.147 pp	-2.2%	No
Regeneron Pharmaceuticals → REGN	United States	$28.6bn	0.152%	-0.027 pp	-0.049 pp	-17.2%	No
Vertex Pharmaceuticals → VRTX	United States	$42.7bn	0.227%	-0.014 pp	-0.034 pp	-4.8%	No
Incyte → INCY	United States	$18.3bn	0.097%	+0.005 pp	+0.015 pp	+27.6%	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.