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
4.23%
Industry change · 12M
+4.22 pp
Technology Hardware, Storage & Peripherals · contribution
+4.223 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Apple Inc. →
AAPL
United States$2050.7bn4.010%-5.121 pp+4.009 pp+93.6%No
HP Inc. →
HPQ
United States$39.8bn0.078%-0.051 pp+0.078 pp+89.1%No
Hewlett Packard Enterprise →
HPE
United States$20.5bn0.040%-0.022 pp+0.040 pp+68.9%No
Seagate Technology →
STX
United States$18.2bn0.036%-0.029 pp+0.035 pp+64.6%No
NetApp →
NTAP
United States$16.2bn0.032%-0.028 pp+0.032 pp+81.7%No
Western Digital →
WDC
United States$15.4bn0.030%-0.021 pp+0.030 pp+62.5%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.