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
0.96%
Industry change · 12M
-0.73 pp
Technology Hardware, Storage & Peripherals · contribution
-0.735 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jan 2019 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Apple Inc. →
AAPL
United States$196.2bn0.647%-0.249 pp-0.579 pp+0.9%No
HP Inc. →
HPQ
United States$34.2bn0.113%-0.017 pp+0.091 pp-3.2%No
Western Digital →
WDC
United States$9.8bn0.032%+0.000 pp-0.081 pp-47.7%No
Hewlett Packard Enterprise →
HPE
United States$21.8bn0.072%-0.004 pp-0.077 pp-2.5%No
Seagate Technology →
STX
United States$12.7bn0.042%+0.003 pp-0.048 pp-15.5%No
NetApp →
NTAP
United States$16.1bn0.053%-0.016 pp-0.041 pp+5.8%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.