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›Technology Hardware, Storage & Peripherals›Technology Hardware, Storage & Peripherals
Technology Hardware, Storage & Peripherals · weight
1.26%
Industry change · 12M
-0.43 pp
Technology Hardware, Storage & Peripherals · contribution
-0.433 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Aug 2018 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Apple Inc. →
AAPL
United States$274.9bn0.887%-0.506 pp-0.339 pp+37.5%No
HP Inc. →
HPQ
United States$39.0bn0.126%-0.093 pp+0.104 pp+6.9%No
Western Digital →
WDC
United States$13.9bn0.045%-0.070 pp-0.069 pp-28.1%No
Hewlett Packard Enterprise →
HPE
United States$25.0bn0.081%-0.063 pp-0.068 pp+1.9%No
Seagate Technology →
STX
United States$15.4bn0.050%-0.049 pp-0.040 pp-0.9%No
NetApp →
NTAP
United States$22.5bn0.073%-0.038 pp-0.021 pp+42.3%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.