the Messenger of Allah (ﷺ) entered the mosque, and saw them (his companions) in separate groups. He said: How is it that I see you in separate groups?
Sunan Abi Dawud Book 43, Hadith 51
← Previous Hadith Qais quoted his father as saying that he (his father) came when the Messenger of Allah (ﷺ) was addressing. He stood in the sun. He ordered him (to shift) and he shifted to the shade.

Sunan Abi Dawud Book 43, Hadith 50 Next Hadith → It seems he liked collective gathering.

Sunan Abi Dawud Book 43, Hadith 52