According to a post citing Strategy executive Phong Le, STRC is said to be twice the size of Wells Fargo preferred shares.
A brief market update says Strategy executive Phong Le described STRC as the largest tradable preferred in the world. The post also says STRC is 2x the size of Wells Fargo preferred shares. The source provides no additional figures, filing details, issuance data, or timing beyond that claim, so the statement should be treated as an attributed company-related assertion rather than a fully detailed market disclosure.