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

1 · Sector

Weight and 12M allocation change

Information Technology27.2%+8.81 ppConsumer Discretionary7.5%+0.48 ppMaterials3.1%-0.14 ppCommunication Services5.1%-0.22 ppReal Estate2.9%-0.60 ppUtilities2.9%-0.78 ppHealth Care16.1%-0.85 ppConsumer Staples7.8%-0.86 ppIndustrials12.1%-1.12 ppEnergy1.9%-1.68 ppFinancials13.4%-3.05 pp

2 · Industry

Inside Information Technology

Technology Hardware, Storage & Peripherals9.50%+7.43 ppSystems Software6.96%+0.91 ppApplication Software3.63%+0.57 ppCommunications Equipment0.93%-0.25 ppSemiconductor Materials & Equipment0.44%+0.13 ppIT Consulting & Other Services1.34%-0.11 ppElectronic Equipment & Instruments0.42%+0.08 ppSemiconductors3.42%+0.06 ppTechnology Distributors0.08%-0.02 ppInternet Services & Infrastructure0.17%-0.01 ppElectronic Manufacturing Services0.16%+0.00 ppElectronic Components0.13%+0.00 pp

3 · Sub-industry

Inside Electronic Equipment & Instruments

Electronic Equipment & Instruments0.42%+0.081 pp
Concentrated

Most of this industry's gains came from a few companies.

View all contributions →
Electronic Equipment & Instruments · weight
0.42%
Industry change · 12M
+0.08 pp
Electronic Equipment & Instruments · contribution
+0.081 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Dec 2020 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Teledyne Technologies →
TDY
United States$14.5bn0.059%+0.058 pp+0.059 pp+13.1%Yes
Zebra Technologies →
ZBRA
United States$20.5bn0.083%+0.083 pp+0.015 pp+50.5%Yes
Keysight Technologies →
KEYS
United States$24.6bn0.099%+0.099 pp+0.005 pp+28.7%Yes
Roper Technologies →
ROP
United States$45.2bn0.183%+0.183 pp+0.002 pp+22.4%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.