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
Communications Equipment · weight
0.79%
Industry change · 12M
-0.17 pp
Communications Equipment · contribution
-0.167 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Cisco →
CSCO
United States$218.6bn0.514%+0.164 pp-0.205 pp+8.5%Yes
Arista Networks →
ANET
United States$30.4bn0.071%+0.023 pp+0.018 pp+92.9%Yes
Motorola Solutions →
MSI
United States$75.0bn0.176%+0.057 pp+0.018 pp+63.1%Yes
F5, Inc. →
FFIV
United States$13.6bn0.032%+0.011 pp+0.001 pp+54.3%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.