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
8.76%
Industry change · 12M
+8.76 pp
Technology Hardware, Storage & Peripherals · contribution
+8.759 pp
Company participation
67%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Apple Inc. →
AAPL
United States$2509.8bn8.392%+0.943 pp+8.390 pp+18.4%Yes
HP Inc. →
HPQ
United States$35.7bn0.119%-0.012 pp+0.119 pp+56.8%No
Hewlett Packard Enterprise →
HPE
United States$20.2bn0.068%-0.007 pp+0.067 pp+66.1%Yes
Seagate Technology →
STX
United States$19.9bn0.067%-0.012 pp+0.067 pp+90.0%Yes
NetApp →
NTAP
United States$19.9bn0.066%+0.005 pp+0.066 pp+93.5%Yes
Western Digital →
WDC
United States$14.7bn0.049%-0.013 pp+0.049 pp+64.5%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.