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%+83.57 ppMaterials0.0%-2.75 ppEnergy0.0%-3.85 ppReal Estate0.0%-3.89 ppUtilities0.0%-3.90 ppCommunication Services0.0%-4.98 ppConsumer Discretionary0.0%-7.03 ppConsumer Staples0.0%-9.10 ppIndustrials0.0%-13.37 ppHealth Care0.0%-17.15 ppInformation Technology0.0%-17.55 pp

2 · Industry

Inside Health Care

Pharmaceuticals0.01%-5.80 ppHealth Care Equipment0.00%-3.29 ppBiotechnology0.00%-2.47 ppManaged Health Care0.00%-2.08 ppLife Sciences Tools & Services0.00%-1.83 ppHealth Care Services0.00%-0.92 ppHealth Care Distributors0.00%-0.36 ppHealth Care Facilities0.00%-0.24 ppHealth Care Supplies0.00%-0.15 ppHealth Care Technology0.00%+0.00 pp

3 · Sub-industry

Inside Biotechnology

Biotechnology0.00%-2.469 pp
Broad

The loss is shared across much of the industry.

View all contributions →
Biotechnology · weight
0.00%
Industry change · 12M
-2.47 pp
Biotechnology · contribution
-2.469 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
AbbVie →
ABBV
United States$136.8bn0.001%+0.000 pp-0.660 pp+28.0%No
Amgen →
AMGN
United States$135.1bn0.001%+0.000 pp-0.591 pp+41.6%No
Gilead Sciences →
GILD
United States$97.6bn0.001%+0.000 pp-0.460 pp+29.8%No
Vertex Pharmaceuticals →
VRTX
United States$74.7bn0.000%+0.000 pp-0.247 pp+73.3%No
Biogen →
BIIB
United States$50.1bn0.000%+0.000 pp-0.247 pp+40.0%No
Regeneron Pharmaceuticals →
REGN
United States$57.6bn0.000%+0.000 pp-0.165 pp+103.1%No
Incyte →
INCY
United States$22.2bn0.000%+0.000 pp-0.098 pp+29.6%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.