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
8.46%
Industry change · 12M
+8.46 pp
Technology Hardware, Storage & Peripherals · contribution
+8.455 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Apple Inc. →
AAPL
United States$2285.5bn8.069%+4.059 pp+8.067 pp+51.2%Yes
HP Inc. →
HPQ
United States$36.3bn0.128%+0.050 pp+0.128 pp+78.5%Yes
Seagate Technology →
STX
United States$20.1bn0.071%+0.036 pp+0.071 pp+89.1%Yes
Hewlett Packard Enterprise →
HPE
United States$19.0bn0.067%+0.027 pp+0.067 pp+55.7%Yes
NetApp →
NTAP
United States$18.3bn0.064%+0.033 pp+0.064 pp+91.1%Yes
Western Digital →
WDC
United States$16.5bn0.058%+0.028 pp+0.058 pp+61.2%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.