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
9.19%
Industry change · 12M
-0.77 pp
Technology Hardware, Storage & Peripherals · contribution
-0.767 pp
Company participation
50%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Mar 2023 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Apple Inc. →
AAPL
United States$2609.0bn8.902%+1.443 pp-0.689 pp-5.0%Yes
HP Inc. →
HPQ
United States$28.9bn0.099%+0.003 pp-0.031 pp-16.4%No
Seagate Technology →
STX
United States$13.7bn0.047%+0.007 pp-0.020 pp-23.0%Yes
NetApp →
NTAP
United States$13.7bn0.047%-0.000 pp-0.016 pp-20.7%No
Western Digital →
WDC
United States$9.1bn0.031%+0.004 pp-0.009 pp-24.1%Yes
Hewlett Packard Enterprise →
HPE
United States$20.6bn0.070%-0.003 pp-0.003 pp-1.4%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.