(23) باب مِنْ فَضَائِلِ أُبَىِّ بْنِ كَعْبٍ وَجَمَاعَةٍ مِنَ الأَنْصَارِ رَضِيَ اللَّهُ تَعَالَى عَنْهُمْ .
Hammam said:
I said to Anas b. Malik: Who collected the Qur'an during the lifetime of Allah's Messenger (ﷺ)? He said: Four (persons), all of them belonging to Ansir: Ubayy b. Ka'b, Mu'adh b. Jabal, Zaid b. Thabit and a person from the Ansar whose Kunya was Abu Zaid.
Reference: Sahih Muslim 2465 b
In-book reference: Book 44, Hadith 171
USC-MSA web (English) reference(deprecated numbering scheme): Book 31, Hadith 6030