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 Technology29.0%+4.54 ppConsumer Discretionary12.1%+0.51 ppIndustrials9.9%+0.06 ppMaterials2.9%-0.07 ppReal Estate2.8%-0.34 ppCommunication Services2.9%-0.37 ppUtilities2.9%-0.44 ppEnergy3.6%-0.51 ppConsumer Staples7.1%-0.55 ppFinancials11.0%-1.14 ppHealth Care15.8%-1.70 pp

2 · Industry

Inside Information Technology

Systems Software8.94%+2.53 ppApplication Software3.75%+0.86 ppSemiconductors3.44%+0.58 ppTechnology Hardware, Storage & Peripherals9.37%+0.43 ppSemiconductor Materials & Equipment0.47%+0.12 ppCommunications Equipment0.96%+0.09 ppElectronic Equipment & Instruments0.35%-0.04 ppElectronic Components0.12%-0.02 ppElectronic Manufacturing Services0.13%-0.01 ppTechnology Distributors0.09%+0.01 ppIT Consulting & Other Services1.29%+0.01 ppInternet Services & Infrastructure0.12%-0.00 pp

3 · Sub-industry

Inside Communications Equipment

Communications Equipment0.96%+0.087 pp
Concentrated

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

View all contributions →
Communications Equipment · weight
0.96%
Industry change · 12M
+0.09 pp
Communications Equipment · contribution
+0.087 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Cisco →
CSCO
United States$211.4bn0.719%+0.256 pp+0.056 pp+18.3%Yes
Arista Networks →
ANET
United States$15.6bn0.053%+0.027 pp+0.020 pp+65.8%Yes
Motorola Solutions →
MSI
United States$46.5bn0.158%+0.053 pp+0.010 pp+13.0%Yes
F5, Inc. →
FFIV
United States$9.0bn0.031%+0.010 pp+0.000 pp+6.1%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.