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

Financials99.9%+83.77 ppMaterials0.0%-3.27 ppEnergy0.0%-3.61 ppReal Estate0.0%-3.88 ppUtilities0.0%-3.96 ppCommunication Services0.0%-5.32 ppConsumer Discretionary0.0%-7.14 ppConsumer Staples0.0%-9.17 ppIndustrials0.0%-13.51 ppHealth Care0.0%-16.05 ppInformation Technology0.0%-17.85 pp

2 · Industry

Inside Health Care

Pharmaceuticals0.01%-5.23 ppHealth Care Equipment0.00%-3.42 ppBiotechnology0.00%-2.32 ppLife Sciences Tools & Services0.00%-1.79 ppManaged Health Care0.00%-1.70 ppHealth Care Services0.00%-0.94 ppHealth Care Distributors0.00%-0.35 ppHealth Care Facilities0.00%-0.22 ppHealth Care Supplies0.00%-0.10 ppHealth Care Technology0.00%+0.00 pp

3 · Sub-industry

Inside Biotechnology

Biotechnology0.00%-2.317 pp
Concentrated

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

View all contributions →
Biotechnology · weight
0.00%
Industry change · 12M
-2.32 pp
Biotechnology · contribution
-2.317 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Sep 2020 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Amgen →
AMGN
United States$148.9bn0.001%-0.000 pp-0.616 pp+35.0%No
AbbVie →
ABBV
United States$154.6bn0.001%-0.000 pp-0.594 pp+22.2%No
Gilead Sciences →
GILD
United States$79.2bn0.000%-0.000 pp-0.426 pp+3.6%No
Vertex Pharmaceuticals →
VRTX
United States$70.9bn0.000%-0.000 pp-0.231 pp+60.6%No
Biogen →
BIIB
United States$44.9bn0.000%-0.000 pp-0.228 pp+21.8%No
Regeneron Pharmaceuticals →
REGN
United States$52.6bn0.000%-0.000 pp-0.138 pp+101.8%No
Incyte →
INCY
United States$19.6bn0.000%-0.000 pp-0.085 pp+20.9%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.