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
9.98%
Industry change · 12M
+4.46 pp
Technology Hardware, Storage & Peripherals · contribution
+4.459 pp
Company participation
67%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jan 2022 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Apple Inc. →
AAPL
United States$2852.3bn9.593%+1.384 pp+4.287 pp+33.3%Yes
HP Inc. →
HPQ
United States$39.8bn0.134%+0.017 pp+0.059 pp+54.9%Yes
Seagate Technology →
STX
United States$23.5bn0.079%+0.013 pp+0.041 pp+67.2%Yes
Hewlett Packard Enterprise →
HPE
United States$21.1bn0.071%+0.007 pp+0.033 pp+36.6%Yes
NetApp →
NTAP
United States$19.2bn0.065%-0.002 pp+0.029 pp+33.3%No
Western Digital →
WDC
United States$12.2bn0.041%+0.000 pp+0.010 pp-8.3%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.