0002028686 2026-05-14 0002028686 2026-01-01 2026-03-31 shares false true --12-31 0002028686 Q1 NY 10-Q/A true 2026-03-31 2026 false 814-01754 SL Investment Fund II LLC DE 99-4692047 1585 Broadway New York 10036 212 761-4000 None Yes Yes Non-accelerated Filer false true true false 18113703