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
1.52%
Industry change · 12M
+0.07 pp
Communications Equipment · contribution
+0.072 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Feb 2019 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Motorola Solutions →
MSI
United States$23.5bn0.136%+0.065 pp+0.033 pp+37.3%Yes
Cisco →
CSCO
United States$227.9bn1.321%+0.606 pp+0.028 pp+19.2%Yes
Arista Networks →
ANET
United States$1.4bn0.008%+0.004 pp+0.008 pp+5.7%Yes
F5, Inc. →
FFIV
United States$10.0bn0.058%+0.023 pp+0.003 pp+13.2%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.