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 Technology26.9%+26.90 ppHealth Care15.8%+15.74 ppIndustrials12.3%+12.31 ppConsumer Discretionary7.4%+7.35 ppConsumer Staples7.1%+7.09 ppCommunication Services4.5%+4.49 ppMaterials3.3%+3.27 ppReal Estate3.1%+3.13 ppUtilities3.0%+2.97 ppEnergy2.4%+2.40 ppFinancials14.3%-85.64 pp

2 · Industry

Inside Health Care

Pharmaceuticals4.68%+4.67 ppHealth Care Equipment3.16%+3.15 ppBiotechnology2.12%+2.12 ppLife Sciences Tools & Services2.11%+2.11 ppManaged Health Care2.02%+2.01 ppHealth Care Services0.86%+0.86 ppHealth Care Distributors0.29%+0.28 ppHealth Care Supplies0.28%+0.28 ppHealth Care Facilities0.24%+0.24 ppHealth Care Technology0.00%+0.00 pp

3 · Sub-industry

Inside Biotechnology

Biotechnology2.12%+2.117 pp
Concentrated

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

View all contributions →
Biotechnology · weight
2.12%
Industry change · 12M
+2.12 pp
Biotechnology · contribution
+2.117 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
AbbVie →
ABBV
United States$198.9bn0.702%+0.329 pp+0.702 pp+20.5%Yes
Amgen →
AMGN
United States$140.0bn0.494%+0.213 pp+0.494 pp+6.3%Yes
Gilead Sciences →
GILD
United States$86.4bn0.305%+0.146 pp+0.304 pp-6.5%Yes
Regeneron Pharmaceuticals →
REGN
United States$52.5bn0.185%+0.098 pp+0.185 pp-10.4%Yes
Vertex Pharmaceuticals →
VRTX
United States$52.2bn0.184%+0.075 pp+0.184 pp-30.5%Yes
Biogen →
BIIB
United States$52.1bn0.184%+0.101 pp+0.184 pp+29.4%Yes
Incyte →
INCY
United States$18.5bn0.065%+0.030 pp+0.065 pp-19.1%Yes

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.