X0708 D LIVE 0002163457 Mainstay Income Opportunity Fund II, LLLP 505 ARIANA AVE. AUBURNDALE FL FLORIDA 33823 863-226-0358 FLORIDA None None Limited Partnership true 2026 Louis F. Garrard V 505 Ariana Ave Auburndale FL FLORIDA 33823 Executive Officer Manager of the LLC General Partner Other Decline to Disclose 06b false true false true false 100000 20000000 0 20000000 false 0 0 0 0 false Mainstay Income Opportunity Fund II, LLLP /s/ Louis F. Garrard V Louis F. Garrard V Manager of the LLC General Partner 2026-11-04