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

Consumer Discretionary52.2%+52.24 ppInformation Technology13.5%+13.45 ppHealth Care8.1%+8.05 ppFinancials7.4%+7.34 ppIndustrials6.6%+6.58 ppConsumer Staples3.8%+3.78 ppCommunication Services2.4%+2.43 ppMaterials1.7%+1.66 ppReal Estate1.5%+1.53 ppEnergy1.2%+1.20 ppUtilities1.7%-98.26 pp

2 · Industry

Inside Health Care

Pharmaceuticals2.41%+2.40 ppHealth Care Equipment1.64%+1.63 ppBiotechnology1.13%+1.13 ppManaged Health Care1.04%+1.04 ppLife Sciences Tools & Services0.97%+0.97 ppHealth Care Services0.46%+0.46 ppHealth Care Distributors0.16%+0.16 ppHealth Care Supplies0.13%+0.13 ppHealth Care Facilities0.13%+0.13 ppHealth Care Technology0.00%+0.00 pp

3 · Sub-industry

Inside Biotechnology

Biotechnology1.13%+1.125 pp
Concentrated

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

View all contributions →
Biotechnology · weight
1.13%
Industry change · 12M
+1.13 pp
Biotechnology · contribution
+1.125 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Mar 2021 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
AbbVie →
ABBV
United States$191.1bn0.374%-0.392 pp+0.373 pp+49.6%No
Amgen →
AMGN
United States$143.7bn0.281%-0.261 pp+0.280 pp+26.2%No
Gilead Sciences →
GILD
United States$81.2bn0.159%-0.137 pp+0.158 pp-9.9%No
Vertex Pharmaceuticals →
VRTX
United States$55.9bn0.109%-0.140 pp+0.109 pp-9.7%No
Regeneron Pharmaceuticals →
REGN
United States$44.5bn0.087%-0.097 pp+0.087 pp-3.1%No
Biogen →
BIIB
United States$42.6bn0.083%-0.069 pp+0.083 pp-11.6%No
Incyte →
INCY
United States$17.9bn0.035%-0.042 pp+0.035 pp+11.0%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.