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
4.28%
Industry change · 12M
+4.27 pp
Technology Hardware, Storage & Peripherals · contribution
+4.273 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Apple Inc. →
AAPL
United States$2035.7bn4.068%-4.528 pp+4.067 pp+78.8%No
HP Inc. →
HPQ
United States$37.4bn0.075%-0.053 pp+0.075 pp+44.5%No
Hewlett Packard Enterprise →
HPE
United States$18.8bn0.038%-0.023 pp+0.038 pp+18.9%No
Seagate Technology →
STX
United States$17.3bn0.035%-0.030 pp+0.035 pp+61.0%No
Western Digital →
WDC
United States$15.9bn0.032%-0.012 pp+0.032 pp+25.0%No
NetApp →
NTAP
United States$14.0bn0.028%-0.022 pp+0.028 pp+39.6%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.