The sect which is called ‘Ahl-e-Quran? denies the hadith, its followers make fun of the traditions of the Prophet (صلی اللہ علیہ وسلم), they reject the five obligatory prayers; therefore this sect is out of Islamic fold due to its heinous beliefs. The person about whom you are questioning, if he himself claims to be an Ahl-e-Quran or he holds the above beliefs then he is out of Islam, it is unlawful to take him as partner in ones qurbani.
Allah (Subhana Wa Ta’ala) knows Best
Darul Uloom Deoband