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›Information Technology›Communications Equipment›Communications Equipment

1 · Sector

Weight and 12M allocation change

Information Technology28.3%+2.98 ppConsumer Discretionary12.3%+1.34 ppIndustrials9.9%+0.26 ppEnergy3.7%+0.18 ppMaterials2.9%-0.09 ppCommunication Services2.9%-0.40 ppReal Estate2.8%-0.49 ppUtilities2.8%-0.68 ppConsumer Staples7.1%-0.72 ppFinancials11.1%-0.86 ppHealth Care16.2%-1.52 pp

2 · Industry

Inside Information Technology

Systems Software8.22%+1.14 ppApplication Software3.70%+0.88 ppSemiconductors3.59%+0.52 ppTechnology Hardware, Storage & Peripherals9.23%+0.22 ppSemiconductor Materials & Equipment0.49%+0.13 ppCommunications Equipment0.96%+0.10 ppElectronic Equipment & Instruments0.36%-0.02 ppIT Consulting & Other Services1.28%+0.02 ppElectronic Manufacturing Services0.13%-0.01 ppTechnology Distributors0.09%+0.01 ppElectronic Components0.13%-0.01 ppInternet Services & Infrastructure0.12%+0.00 pp

3 · Sub-industry

Inside Communications Equipment

Communications Equipment0.96%+0.099 pp
Concentrated

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

View all contributions →
Communications Equipment · weight
0.96%
Industry change · 12M
+0.10 pp
Communications Equipment · contribution
+0.099 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Sep 2023 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Cisco →
CSCO
United States$218.0bn0.728%+0.240 pp+0.082 pp+38.8%Yes
Arista Networks →
ANET
United States$14.2bn0.048%+0.019 pp+0.014 pp+62.9%Yes
Motorola Solutions →
MSI
United States$45.5bn0.152%+0.038 pp+0.005 pp+23.1%Yes
F5, Inc. →
FFIV
United States$9.6bn0.032%+0.011 pp-0.002 pp+11.3%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.