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 Technology34.6%+6.31 ppUtilities2.9%+0.04 ppConsumer Staples7.1%+0.00 ppReal Estate2.6%-0.16 ppIndustrials9.7%-0.18 ppFinancials11.0%-0.18 ppMaterials2.6%-0.35 ppCommunication Services2.5%-0.43 ppConsumer Discretionary11.3%-1.04 ppEnergy2.5%-1.29 ppHealth Care13.5%-2.72 pp

2 · Industry

Inside Information Technology

Semiconductors11.59%+8.00 ppTechnology Hardware, Storage & Peripherals8.55%-0.69 ppSystems Software7.84%-0.38 ppApplication Software3.39%-0.31 ppCommunications Equipment0.77%-0.19 ppIT Consulting & Other Services1.18%-0.11 ppElectronic Equipment & Instruments0.30%-0.06 ppElectronic Components0.18%+0.05 ppTechnology Distributors0.07%-0.02 ppElectronic Manufacturing Services0.14%+0.01 ppInternet Services & Infrastructure0.13%+0.01 ppSemiconductor Materials & Equipment0.49%+0.00 pp

3 · Sub-industry

Inside Communications Equipment

Communications Equipment0.77%-0.190 pp
Concentrated

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

View all contributions →
Communications Equipment · weight
0.77%
Industry change · 12M
-0.19 pp
Communications Equipment · contribution
-0.190 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Sep 2024 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Cisco →
CSCO
United States$212.4bn0.494%+0.136 pp-0.234 pp+2.2%Yes
Motorola Solutions →
MSI
United States$75.0bn0.175%+0.054 pp+0.023 pp+66.9%Yes
Arista Networks →
ANET
United States$30.1bn0.070%+0.019 pp+0.023 pp+108.7%Yes
F5, Inc. →
FFIV
United States$12.8bn0.030%+0.011 pp-0.002 pp+36.7%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.