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
0.81%
Industry change · 12M
-0.11 pp
Communications Equipment · contribution
-0.107 pp
Company participation
25%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Cisco →
CSCO
United States$195.9bn0.561%-0.052 pp-0.136 pp+2.9%No
Arista Networks →
ANET
United States$21.7bn0.062%+0.009 pp+0.025 pp+100.1%Yes
Motorola Solutions →
MSI
United States$54.9bn0.157%-0.010 pp+0.003 pp+27.3%No
F5, Inc. →
FFIV
United States$11.0bn0.032%-0.000 pp+0.001 pp+30.9%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.