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

Utilities99.9%+96.05 ppMaterials0.0%-2.53 ppCommunication Services0.0%-3.62 ppReal Estate0.0%-3.79 ppEnergy0.0%-4.36 ppConsumer Discretionary0.0%-7.15 ppConsumer Staples0.0%-9.08 ppIndustrials0.0%-13.82 ppFinancials0.0%-15.97 ppHealth Care0.0%-17.87 ppInformation Technology0.0%-17.87 pp

2 · Industry

Inside Health Care

Pharmaceuticals0.01%-6.09 ppHealth Care Equipment0.00%-3.37 ppBiotechnology0.00%-2.70 ppManaged Health Care0.00%-2.12 ppLife Sciences Tools & Services0.00%-1.87 ppHealth Care Services0.00%-0.95 ppHealth Care Distributors0.00%-0.36 ppHealth Care Facilities0.00%-0.26 ppHealth Care Supplies0.00%-0.15 ppHealth Care Technology0.00%+0.00 pp

3 · Sub-industry

Inside Biotechnology

Biotechnology0.00%-2.701 pp
Broad

The loss is shared across much of the industry.

View all contributions →
Biotechnology · weight
0.00%
Industry change · 12M
-2.70 pp
Biotechnology · contribution
-2.701 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
AbbVie →
ABBV
United States$112.7bn0.001%-0.642 pp-0.682 pp+0.0%No
Amgen →
AMGN
United States$119.6bn0.001%-0.702 pp-0.679 pp+9.9%No
Gilead Sciences →
GILD
United States$94.5bn0.000%-0.403 pp-0.476 pp+19.4%No
Vertex Pharmaceuticals →
VRTX
United States$61.7bn0.000%-0.276 pp-0.270 pp+29.4%No
Biogen →
BIIB
United States$55.1bn0.000%-0.262 pp-0.267 pp+33.8%No
Regeneron Pharmaceuticals →
REGN
United States$45.9bn0.000%-0.173 pp-0.221 pp+18.9%No
Incyte →
INCY
United States$15.9bn0.000%-0.092 pp-0.106 pp-14.9%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.