RB
Robert Bruce (Bruce & Co) disclosed decreased in Mannkind
Robert Bruce (Bruce & Co) filed a 13F change in Mannkind (56400P706) on 2026-05-14, covering period end 2026-03-31.
Action
Decreased
Capital
$628,135 reported value
Institutional 13F Signals1 evidence source
Why it matters
This signal is anchored to the SEC filing date while retaining the underlying 13F period end.