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 Discretionary11.6%+3.82 ppEnergy4.1%+1.64 ppHealth Care17.5%+1.01 ppConsumer Staples7.7%+0.70 ppUtilities3.4%+0.36 ppReal Estate3.1%-0.10 ppMaterials2.9%-0.29 ppIndustrials9.8%-0.41 ppCommunication Services3.3%-0.64 ppFinancials12.1%-2.06 ppInformation Technology24.5%-4.05 pp

2 · Industry

Inside Health Care

Pharmaceuticals5.55%+0.91 ppManaged Health Care2.73%+0.59 ppHealth Care Equipment2.90%-0.54 ppLife Sciences Tools & Services1.91%-0.39 ppBiotechnology2.73%+0.38 ppHealth Care Supplies0.13%-0.16 ppHealth Care Distributors0.42%+0.15 ppHealth Care Services0.93%+0.12 ppHealth Care Facilities0.22%-0.05 ppHealth Care Technology0.00%+0.00 pp

3 · Sub-industry

Inside Biotechnology

Biotechnology2.73%+0.379 pp
Concentrated

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

View all contributions →
Biotechnology · weight
2.73%
Industry change · 12M
+0.38 pp
Biotechnology · contribution
+0.379 pp
Company participation
75%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Oct 2022 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Moderna →
MRNA
United States$58.8bn0.209%-0.016 pp-0.257 pp-56.5%Yes
AbbVie →
ABBV
United States$258.8bn0.919%+0.047 pp+0.242 pp+32.6%No
Vertex Pharmaceuticals →
VRTX
United States$80.1bn0.284%+0.038 pp+0.124 pp+68.7%Yes
Amgen →
AMGN
United States$144.6bn0.513%+0.059 pp+0.121 pp+35.0%Yes
Gilead Sciences →
GILD
United States$98.3bn0.349%+0.091 pp+0.077 pp+26.7%Yes
Regeneron Pharmaceuticals →
REGN
United States$70.3bn0.250%+0.062 pp+0.049 pp+17.0%Yes
Biogen →
BIIB
United States$40.8bn0.145%+0.038 pp+0.014 pp+6.3%Yes
Incyte →
INCY
United States$16.5bn0.059%-0.000 pp+0.009 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.