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

Financials14.2%+1.72 ppInformation Technology28.5%+1.35 ppConsumer Discretionary7.8%+0.98 ppEnergy2.5%+0.82 ppMaterials3.2%+0.05 ppReal Estate3.2%+0.01 ppHealth Care16.5%-0.40 ppUtilities3.0%-0.41 ppCommunication Services3.9%-1.00 ppConsumer Staples7.0%-1.51 ppIndustrials10.2%-1.61 pp

2 · Industry

Inside Information Technology

Systems Software8.50%+1.08 ppTechnology Hardware, Storage & Peripherals8.56%-0.51 ppApplication Software4.22%+0.40 ppSemiconductor Materials & Equipment0.53%+0.17 ppCommunications Equipment0.98%+0.09 ppSemiconductors3.41%+0.08 ppElectronic Equipment & Instruments0.45%+0.05 ppInternet Services & Infrastructure0.14%-0.04 ppIT Consulting & Other Services1.35%+0.02 ppElectronic Manufacturing Services0.16%+0.01 ppElectronic Components0.14%+0.00 ppTechnology Distributors0.09%+0.00 pp

3 · Sub-industry

Inside Communications Equipment

Communications Equipment0.98%+0.089 pp
Concentrated

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

View all contributions →
Communications Equipment · weight
0.98%
Industry change · 12M
+0.09 pp
Communications Equipment · contribution
+0.089 pp
Company participation
75%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Cisco →
CSCO
United States$236.1bn0.789%-0.012 pp+0.069 pp+60.5%No
Motorola Solutions →
MSI
United States$42.1bn0.141%+0.010 pp+0.014 pp+59.6%Yes
F5, Inc. →
FFIV
United States$12.7bn0.043%+0.000 pp+0.004 pp+58.8%Yes
Arista Networks →
ANET
United States$2.0bn0.007%+0.000 pp+0.002 pp+96.1%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.