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 Technology28.8%+2.60 ppConsumer Discretionary12.5%+1.60 ppIndustrials10.0%+0.17 ppEnergy3.5%-0.07 ppMaterials2.9%-0.09 ppReal Estate2.9%-0.37 ppHealth Care15.9%-0.60 ppCommunication Services2.8%-0.63 ppConsumer Staples7.1%-0.63 ppUtilities2.9%-0.75 ppFinancials10.7%-1.24 pp

2 · Industry

Inside Information Technology

Systems Software8.15%+0.92 ppApplication Software3.83%+0.83 ppSemiconductors3.59%+0.33 ppTechnology Hardware, Storage & Peripherals9.66%+0.30 ppSemiconductor Materials & Equipment0.51%+0.14 ppCommunications Equipment0.97%+0.10 ppElectronic Equipment & Instruments0.35%-0.02 ppIT Consulting & Other Services1.29%+0.02 ppElectronic Manufacturing Services0.13%-0.01 ppElectronic Components0.13%-0.01 ppTechnology Distributors0.09%+0.01 ppInternet Services & Infrastructure0.12%-0.00 pp

3 · Sub-industry

Inside Communications Equipment

Communications Equipment0.97%+0.101 pp
Concentrated

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

View all contributions →
Communications Equipment · weight
0.97%
Industry change · 12M
+0.10 pp
Communications Equipment · contribution
+0.101 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Cisco →
CSCO
United States$233.7bn0.745%+0.245 pp+0.082 pp+32.4%Yes
Arista Networks →
ANET
United States$15.1bn0.048%+0.016 pp+0.016 pp+62.9%Yes
Motorola Solutions →
MSI
United States$47.4bn0.151%+0.034 pp+0.006 pp+18.0%Yes
F5, Inc. →
FFIV
United States$9.7bn0.031%+0.009 pp-0.003 pp+4.2%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.