portfolioissa
Portfolioissa is a Finnish inflected form of the loanword portfolio, used to indicate location in the plural (inessive case). It literally means "in the portfolios" and appears in contexts where multiple collections, dossiers or compilations are being referenced as containing items, documents or works.
The base word portfolio is a loanword in Finnish, adopted from other European languages to denote a
Usage is common in finance, creative industries and education: for example, discussing multiple investment portfolios, artists'
As a grammatical item, portfolioissa illustrates how Finnish integrates foreign nouns into its case and number