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 Technology27.3%+27.25 ppHealth Care16.4%+16.43 ppIndustrials12.2%+12.14 ppConsumer Discretionary7.3%+7.28 ppConsumer Staples7.1%+7.13 ppCommunication Services4.4%+4.36 ppMaterials3.3%+3.25 ppReal Estate3.2%+3.19 ppUtilities3.0%+3.01 ppEnergy2.1%+2.14 ppFinancials13.7%-86.17 pp

2 · Industry

Inside Health Care

Pharmaceuticals4.75%+4.74 ppHealth Care Equipment3.24%+3.24 ppBiotechnology2.55%+2.55 ppLife Sciences Tools & Services2.21%+2.20 ppManaged Health Care1.98%+1.98 ppHealth Care Services0.83%+0.83 ppHealth Care Supplies0.31%+0.31 ppHealth Care Distributors0.29%+0.29 ppHealth Care Facilities0.28%+0.28 ppHealth Care Technology0.00%+0.00 pp

3 · Sub-industry

Inside Biotechnology

Biotechnology2.55%+2.548 pp
Broad

The gain is shared across much of the industry.

View all contributions →
Biotechnology · weight
2.55%
Industry change · 12M
+2.55 pp
Biotechnology · contribution
+2.548 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
AbbVie →
ABBV
United States$205.4bn0.704%-0.009 pp+0.704 pp+28.6%Yes
Moderna →
MRNA
United States$142.0bn0.487%+0.487 pp+0.487 pp+377.2%Yes
Amgen →
AMGN
United States$138.8bn0.476%-0.023 pp+0.475 pp+1.5%Yes
Gilead Sciences →
GILD
United States$85.6bn0.294%+0.005 pp+0.293 pp+2.6%Yes
Regeneron Pharmaceuticals →
REGN
United States$54.0bn0.185%+0.021 pp+0.185 pp-9.1%Yes
Vertex Pharmaceuticals →
VRTX
United States$52.3bn0.179%-0.025 pp+0.179 pp-25.9%Yes
Biogen →
BIIB
United States$48.7bn0.167%+0.021 pp+0.167 pp+18.9%Yes
Incyte →
INCY
United States$17.0bn0.058%-0.010 pp+0.058 pp-21.7%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.