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 Technology33.6%+3.90 ppConsumer Discretionary13.1%+1.27 ppFinancials12.6%+0.85 ppConsumer Staples6.8%+0.07 ppUtilities2.6%-0.07 ppCommunication Services2.5%-0.41 ppReal Estate2.3%-0.46 ppMaterials2.3%-0.48 ppIndustrials9.6%-0.62 ppEnergy2.5%-0.66 ppHealth Care12.2%-3.40 pp

2 · Industry

Inside Information Technology

Semiconductors11.08%+7.06 ppSystems Software7.30%-1.93 ppTechnology Hardware, Storage & Peripherals8.15%-0.66 ppApplication Software3.47%-0.48 ppIT Consulting & Other Services1.26%-0.15 ppSemiconductor Materials & Equipment0.62%+0.12 ppElectronic Components0.19%+0.07 ppElectronic Equipment & Instruments0.30%-0.04 ppElectronic Manufacturing Services0.14%-0.04 ppTechnology Distributors0.06%-0.03 ppInternet Services & Infrastructure0.15%+0.03 ppCommunications Equipment0.83%-0.03 pp

3 · Sub-industry

Inside Communications Equipment

Communications Equipment0.83%-0.026 pp
Concentrated

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

View all contributions →
Communications Equipment · weight
0.83%
Industry change · 12M
-0.03 pp
Communications Equipment · contribution
-0.026 pp
Company participation
75%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jan 2025 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Cisco →
CSCO
United States$241.4bn0.537%+0.023 pp-0.070 pp+24.6%Yes
Arista Networks →
ANET
United States$36.3bn0.081%+0.009 pp+0.021 pp+78.2%Yes
Motorola Solutions →
MSI
United States$78.4bn0.174%-0.002 pp+0.017 pp+48.3%No
F5, Inc. →
FFIV
United States$17.4bn0.039%+0.007 pp+0.006 pp+61.8%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.