No one collect all of the Holy Quran except the Imams عليه السلام and that they have the knowledge of all of the Holy Quran

5. Muhammad ibn Yahya has narrated from Ahmad ibn abu Zahir from al-Khashshab from Ali ibn Hassaan from ‘Abd al-Rahman ibn Kathir from abu ‘Abdallah عليه السلام who recited the following verse: “The one who had knowledge from the Book said, “I can bring it to you before you even blink your eye. . .” (27:40). The narrator said that abu ‘Abdallah عليه السلام opened his two fingers and placed them on his chest and then said, “With us, I swear by Allah, is the knowledge of the whole of the Book.”