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 Technology36.4%+15.47 ppFinancials12.3%+4.20 ppConsumer Discretionary11.6%+3.35 ppIndustrials9.9%+2.86 ppConsumer Staples6.8%+1.56 ppCommunication Services2.7%+0.86 ppUtilities2.7%+0.78 ppHealth Care10.9%+0.56 ppReal Estate2.3%+0.49 ppEnergy2.3%+0.23 ppMaterials2.2%-30.36 pp

2 · Industry

Inside Information Technology

Semiconductors13.54%+10.43 ppSystems Software8.64%+2.13 ppApplication Software3.56%+0.95 ppTechnology Hardware, Storage & Peripherals6.94%+0.63 ppCommunications Equipment1.06%+0.51 ppIT Consulting & Other Services1.15%+0.36 ppSemiconductor Materials & Equipment0.64%+0.19 ppElectronic Components0.23%+0.13 ppElectronic Equipment & Instruments0.28%+0.06 ppElectronic Manufacturing Services0.16%+0.05 ppInternet Services & Infrastructure0.14%+0.04 ppTechnology Distributors0.05%-0.01 pp

3 · Sub-industry

Inside Communications Equipment

Communications Equipment1.06%+0.507 pp
Concentrated

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

View all contributions →
Communications Equipment · weight
1.06%
Industry change · 12M
+0.51 pp
Communications Equipment · contribution
+0.507 pp
Company participation
50%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Cisco →
CSCO
United States$274.7bn0.592%+0.010 pp+0.234 pp+50.4%Yes
Arista Networks →
ANET
United States$128.5bn0.277%+0.045 pp+0.226 pp+16.8%Yes
Motorola Solutions →
MSI
United States$70.2bn0.151%-0.022 pp+0.031 pp+10.0%No
F5, Inc. →
FFIV
United States$16.9bn0.036%+0.000 pp+0.018 pp+70.9%No

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.