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

Information Technology17.9%+8.09 ppFinancials16.2%+6.66 ppHealth Care16.5%+6.53 ppIndustrials13.4%+5.79 ppConsumer Staples9.0%+3.80 ppCommunication Services5.3%+3.36 ppMaterials3.2%+2.13 ppReal Estate3.8%+1.85 ppUtilities3.9%+1.83 ppEnergy3.5%+1.02 ppConsumer Discretionary7.1%-41.06 pp

2 · Industry

Inside Health Care

Pharmaceuticals5.34%+1.80 ppHealth Care Equipment3.37%+1.57 ppBiotechnology2.48%+0.86 ppLife Sciences Tools & Services1.74%+0.81 ppManaged Health Care1.93%+0.64 ppHealth Care Services0.99%+0.61 ppHealth Care Distributors0.34%+0.11 ppHealth Care Facilities0.24%+0.08 ppHealth Care Supplies0.12%+0.05 ppHealth Care Technology0.00%+0.00 pp

3 · Sub-industry

Inside Biotechnology

Biotechnology2.48%+0.856 pp
Broad

The gain is shared across much of the industry.

View all contributions →
Biotechnology · weight
2.48%
Industry change · 12M
+0.86 pp
Biotechnology · contribution
+0.856 pp
Company participation
57%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Oct 2019 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Amgen →
AMGN
United States$126.7bn0.660%+0.065 pp+0.244 pp+14.0%Yes
AbbVie →
ABBV
United States$117.6bn0.613%+0.089 pp+0.213 pp+8.0%Yes
Gilead Sciences →
GILD
United States$80.7bn0.421%-0.023 pp+0.121 pp-3.1%No
Vertex Pharmaceuticals →
VRTX
United States$50.3bn0.262%+0.035 pp+0.115 pp+15.4%Yes
Biogen →
BIIB
United States$53.9bn0.281%+0.048 pp+0.073 pp-1.8%Yes
Incyte →
INCY
United States$18.1bn0.094%-0.003 pp+0.047 pp+29.5%No
Regeneron Pharmaceuticals →
REGN
United States$28.8bn0.150%-0.002 pp+0.042 pp-9.7%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.