GUR's Andrii Yusov says Russia can produce approximately 40-50 Iskander, 30-50 Kalibr, and about 50 Kh-101 missiles per month, and has approximately 350 Kalibr type, 500 Onyx, >50 Kinzhal, >130 Iskander, and >400 Kh-101; Kh-55; and Kh-35 missiles in reserve.

https://newsukraine.rbc.ua/news/ukrainian-intelligence-directorate-shares-1735347294.html