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 Technology28.6%+15.12 ppHealth Care17.0%+8.92 ppFinancials12.8%+5.42 ppConsumer Staples7.5%+3.67 ppIndustrials10.3%+3.67 ppEnergy3.3%+2.11 ppReal Estate3.4%+1.82 ppUtilities3.4%+1.74 ppMaterials3.3%+1.63 ppCommunication Services3.6%+1.16 ppConsumer Discretionary7.0%-45.25 pp

2 · Industry

Inside Health Care

Pharmaceuticals5.04%+2.63 ppHealth Care Equipment3.25%+1.62 ppBiotechnology2.51%+1.38 ppManaged Health Care2.36%+1.33 ppLife Sciences Tools & Services2.10%+1.13 ppHealth Care Services0.87%+0.41 ppHealth Care Distributors0.36%+0.19 ppHealth Care Facilities0.26%+0.13 ppHealth Care Supplies0.24%+0.10 ppHealth Care Technology0.00%+0.00 pp

3 · Sub-industry

Inside Biotechnology

Biotechnology2.51%+1.383 pp
Concentrated

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

View all contributions →
Biotechnology · weight
2.51%
Industry change · 12M
+1.38 pp
Biotechnology · contribution
+1.383 pp
Company participation
63%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
AbbVie →
ABBV
United States$286.7bn0.965%+0.198 pp+0.591 pp+56.8%Yes
Moderna →
MRNA
United States$69.4bn0.234%-0.096 pp+0.234 pp+31.5%No
Amgen →
AMGN
United States$134.7bn0.453%+0.047 pp+0.172 pp+0.3%Yes
Regeneron Pharmaceuticals →
REGN
United States$65.6bn0.221%+0.031 pp+0.134 pp+47.6%Yes
Vertex Pharmaceuticals →
VRTX
United States$66.4bn0.224%+0.045 pp+0.114 pp+21.4%Yes
Gilead Sciences →
GILD
United States$74.5bn0.251%-0.041 pp+0.092 pp-4.0%No
Incyte →
INCY
United States$17.6bn0.059%+0.007 pp+0.024 pp-2.3%Yes
Biogen →
BIIB
United States$31.0bn0.104%-0.009 pp+0.021 pp-24.7%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.