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
7.86%
Industry change · 12M
+7.86 pp
Technology Hardware, Storage & Peripherals · contribution
+7.855 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Apple Inc. →
AAPL
United States$2079.4bn7.449%+3.381 pp+7.447 pp+57.8%Yes
HP Inc. →
HPQ
United States$36.6bn0.131%+0.056 pp+0.131 pp+99.7%Yes
Seagate Technology →
STX
United States$21.9bn0.079%+0.044 pp+0.078 pp+90.4%Yes
Hewlett Packard Enterprise →
HPE
United States$20.8bn0.074%+0.037 pp+0.074 pp+71.3%Yes
Western Digital →
WDC
United States$17.4bn0.062%+0.031 pp+0.062 pp+69.6%Yes
NetApp →
NTAP
United States$17.2bn0.062%+0.034 pp+0.062 pp+80.0%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.