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 Technology27.9%+27.90 ppHealth Care16.3%+16.24 ppIndustrials12.0%+11.94 ppConsumer Discretionary7.1%+7.11 ppConsumer Staples7.0%+6.96 ppCommunication Services4.3%+4.32 ppMaterials3.3%+3.25 ppReal Estate3.2%+3.20 ppUtilities3.1%+3.05 ppEnergy2.0%+2.04 ppFinancials13.9%-86.02 pp

2 · Industry

Inside Health Care

Pharmaceuticals4.74%+4.73 ppHealth Care Equipment3.09%+3.08 ppBiotechnology2.57%+2.56 ppLife Sciences Tools & Services2.27%+2.27 ppManaged Health Care1.92%+1.91 ppHealth Care Services0.81%+0.81 ppHealth Care Supplies0.32%+0.32 ppHealth Care Distributors0.28%+0.28 ppHealth Care Facilities0.27%+0.27 ppHealth Care Technology0.00%+0.00 pp

3 · Sub-industry

Inside Biotechnology

Biotechnology2.57%+2.563 pp
Broad

The gain is shared across much of the industry.

View all contributions →
Biotechnology · weight
2.57%
Industry change · 12M
+2.56 pp
Biotechnology · contribution
+2.563 pp
Company participation
63%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
AbbVie →
ABBV
United States$213.4bn0.714%-0.003 pp+0.713 pp+32.4%Yes
Moderna →
MRNA
United States$152.1bn0.508%+0.508 pp+0.508 pp+480.5%Yes
Amgen →
AMGN
United States$128.1bn0.428%-0.061 pp+0.428 pp-8.4%No
Gilead Sciences →
GILD
United States$91.3bn0.305%+0.008 pp+0.305 pp+13.9%Yes
Regeneron Pharmaceuticals →
REGN
United States$63.3bn0.212%+0.042 pp+0.211 pp+8.6%Yes
Vertex Pharmaceuticals →
VRTX
United States$52.0bn0.174%-0.020 pp+0.173 pp-28.2%No
Biogen →
BIIB
United States$50.5bn0.169%+0.025 pp+0.169 pp+17.8%Yes
Incyte →
INCY
United States$16.9bn0.056%-0.010 pp+0.056 pp-20.6%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.