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›Systems Software›Systems Software

1 · Sector

Weight and 12M allocation change

Financials14.2%+1.72 ppInformation Technology28.5%+1.35 ppConsumer Discretionary7.8%+0.98 ppEnergy2.5%+0.82 ppMaterials3.2%+0.05 ppReal Estate3.2%+0.01 ppHealth Care16.5%-0.40 ppUtilities3.0%-0.41 ppCommunication Services3.9%-1.00 ppConsumer Staples7.0%-1.51 ppIndustrials10.2%-1.61 pp

2 · Industry

Inside Information Technology

Systems Software8.50%+1.08 ppTechnology Hardware, Storage & Peripherals8.56%-0.51 ppApplication Software4.22%+0.40 ppSemiconductor Materials & Equipment0.53%+0.17 ppCommunications Equipment0.98%+0.09 ppSemiconductors3.41%+0.08 ppElectronic Equipment & Instruments0.45%+0.05 ppInternet Services & Infrastructure0.14%-0.04 ppIT Consulting & Other Services1.35%+0.02 ppElectronic Manufacturing Services0.16%+0.01 ppElectronic Components0.14%+0.00 ppTechnology Distributors0.09%+0.00 pp

3 · Sub-industry

Inside Systems Software

Systems Software8.50%+1.081 pp
Concentrated

Most of this industry's gains came from a few companies.

View all contributions →
Systems Software · weight
8.50%
Industry change · 12M
+1.08 pp
Systems Software · contribution
+1.081 pp
Company participation
75%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Microsoft →
MSFT
United States$2489.8bn8.316%+0.975 pp+1.069 pp+65.3%Yes
Fortinet →
FTNT
United States$11.0bn0.037%+0.006 pp+0.020 pp+204.7%Yes
Gen Digital →
GEN
United States$14.8bn0.049%+0.000 pp-0.008 pp+26.5%No
ServiceNow →
NOW
United States$27.8bn0.093%+0.013 pp+0.001 pp+40.2%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.