noun which may take the genitive case particle 'no'
high-IQ
Used attributively to describe a person, group, or thing associated with a high intelligence quotient. Often seen in compounds like 高ＩＱ団体 or 高ＩＱ者.
彼は高ＩＱの持ち主だ。
He has a high IQ.
高ＩＱ団体に加入するには試験が必要だ。
You need to take a test to join a high-IQ society.