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 Technology29.1%+12.97 ppHealth Care16.4%+6.67 ppFinancials13.7%+6.01 ppIndustrials10.0%+3.06 ppConsumer Staples7.4%+3.04 ppEnergy2.8%+1.70 ppReal Estate3.2%+1.49 ppUtilities3.1%+1.42 ppMaterials3.2%+1.41 ppCommunication Services3.7%+0.84 ppConsumer Discretionary7.5%-38.63 pp

2 · Industry

Inside Health Care

Pharmaceuticals4.87%+1.93 ppHealth Care Equipment3.17%+1.20 ppManaged Health Care2.18%+1.04 ppBiotechnology2.33%+0.96 ppLife Sciences Tools & Services2.10%+0.84 ppHealth Care Services0.90%+0.37 ppHealth Care Distributors0.31%+0.13 ppHealth Care Facilities0.25%+0.12 ppHealth Care Supplies0.25%+0.08 ppHealth Care Technology0.00%+0.00 pp

3 · Sub-industry

Inside Biotechnology

Biotechnology2.33%+0.958 pp
Concentrated

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

View all contributions →
Biotechnology · weight
2.33%
Industry change · 12M
+0.96 pp
Biotechnology · contribution
+0.958 pp
Company participation
50%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
AbbVie →
ABBV
United States$242.0bn0.814%+0.137 pp+0.381 pp+39.8%Yes
Moderna →
MRNA
United States$68.7bn0.231%-0.235 pp+0.231 pp-2.2%No
Amgen →
AMGN
United States$127.9bn0.430%+0.038 pp+0.094 pp-3.0%Yes
Gilead Sciences →
GILD
United States$86.2bn0.290%+0.018 pp+0.093 pp+9.2%No
Regeneron Pharmaceuticals →
REGN
United States$57.2bn0.192%-0.009 pp+0.079 pp+20.8%No
Vertex Pharmaceuticals →
VRTX
United States$61.8bn0.208%+0.048 pp+0.065 pp+6.1%Yes
Incyte →
INCY
United States$16.4bn0.055%+0.006 pp+0.008 pp-17.2%Yes
Biogen →
BIIB
United States$33.2bn0.112%-0.019 pp+0.007 pp-20.0%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.