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›Electronic Equipment & Instruments›Electronic Equipment & Instruments
Electronic Equipment & Instruments · weight
0.43%
Industry change · 12M
+0.43 pp
Electronic Equipment & Instruments · contribution
+0.429 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jun 2021 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Roper Technologies →
ROP
United States$49.5bn0.175%+0.092 pp+0.174 pp+21.8%Yes
Keysight Technologies →
KEYS
United States$28.4bn0.100%+0.048 pp+0.100 pp+53.2%Yes
Zebra Technologies →
ZBRA
United States$28.3bn0.100%+0.049 pp+0.100 pp+106.9%Yes
Teledyne Technologies →
TDY
United States$15.5bn0.055%+0.025 pp+0.055 pp+34.7%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.