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
0.28%
Industry change · 12M
+0.06 pp
Electronic Equipment & Instruments · contribution
+0.056 pp
Company participation
0%
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
Roper Technologies →
ROP
United States$60.9bn0.131%-0.019 pp+0.018 pp+1.1%No
Teledyne Technologies →
TDY
United States$24.0bn0.052%-0.004 pp+0.017 pp+32.0%No
Keysight Technologies →
KEYS
United States$28.2bn0.061%-0.001 pp+0.016 pp+19.8%No
Zebra Technologies →
ZBRA
United States$15.7bn0.034%-0.001 pp+0.004 pp-0.2%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.