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
9.96%
Industry change · 12M
+5.74 pp
Technology Hardware, Storage & Peripherals · contribution
+5.736 pp
Company participation
50%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Apple Inc. →
AAPL
United States$2849.5bn9.591%+0.258 pp+5.581 pp+43.8%Yes
HP Inc. →
HPQ
United States$38.5bn0.130%-0.001 pp+0.052 pp+17.4%Yes
Hewlett Packard Enterprise →
HPE
United States$21.7bn0.073%+0.008 pp+0.033 pp+9.5%Yes
Seagate Technology →
STX
United States$19.7bn0.066%-0.014 pp+0.031 pp+20.7%No
NetApp →
NTAP
United States$18.5bn0.062%-0.003 pp+0.031 pp+16.9%No
Western Digital →
WDC
United States$11.7bn0.040%-0.010 pp+0.009 pp-25.6%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.