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
9.08%
Industry change · 12M
+7.18 pp
Technology Hardware, Storage & Peripherals · contribution
+7.180 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Apple Inc. →
AAPL
United States$1850.8bn8.763%+8.761 pp+7.322 pp+76.8%Yes
Hewlett Packard Enterprise →
HPE
United States$11.1bn0.053%+0.053 pp-0.059 pp-45.1%Yes
Seagate Technology →
STX
United States$12.3bn0.058%+0.058 pp-0.023 pp-13.1%Yes
NetApp →
NTAP
United States$9.7bn0.046%+0.046 pp-0.023 pp-18.1%Yes
Western Digital →
WDC
United States$8.6bn0.041%+0.041 pp-0.019 pp-25.4%Yes
HP Inc. →
HPQ
United States$24.7bn0.117%+0.117 pp-0.017 pp+7.3%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.