v3.26.1
Condensed Consolidated Statement of Cash Flows (Unaudited - USD ($)
 3 Months Ended
Jun. 30, 2025
Jun. 30, 2026
Macquarie Infrastructure Fund, L.P    
Cash flows from operating activities:    
Net increase (decrease) in net assets resulting from operations $ 0 $ 3,169,713
Adjustments to reconcile net increase (decrease) in net assets from operations to net cash provided by (used in) operating activities    
Net realized (gain) loss on investments, derivatives and translation of assets and liabilities in foreign currencies 0 107,915
Net change in unrealized (gain) loss on investments 0 (3,733,656)
Net change in unrealized (gain) loss on derivatives 0 (1,054,821)
Net change in unrealized (gain) loss on translation of assets and liabilities in foreign currencies 0 70
Purchase of investments 0 (94,336,942)
Proceeds from investments 0 5,182,280
Change in operating assets:    
Deferred offering costs 0 467,865
Prepaid expenses 0 58,047
Interest receivable 0 (45,017)
Change in operating liabilities:    
Organizational expenses and offering costs payable 0 170,622
Professional fees payable 0 768,015
Payable for investments purchased   1,496,125
Accounts payable and accrued expenses 0 (8,313)
Administration fees payable 0 31,250
Performance allocation payable 0 275
Net cash provided by (used in) operating activities 0 (87,726,572)
Cash flows from financing activities:    
Proceeds from Units issued 0 89,550,000
Net cash provided by (used in) financing activities 0 89,550,000
Net increase in cash and cash equivalents 0 1,826,401
Effect of exchange rate changes on cash 0 2,973
Cash and cash equivalents at the beginning of the period 0 342,030
Cash and cash equivalents at the end of the period 0 2,168,431
Supplemental disclosure of cash flow information    
Cash paid for interest $ 0 6,600
MIF Cayman, L.P.    
Cash flows from operating activities:    
Net increase (decrease) in net assets resulting from operations [1],[2]   88,311,944
Adjustments to reconcile net increase (decrease) in net assets from operations to net cash provided by (used in) operating activities    
Net realized (gain) loss on investments and translation of assets and liabilities in foreign currencies [1],[2]   10,113
Net change in unrealized (gain) loss on investments [1],[2]   (73,151,155)
Net change in unrealized (gain) loss on translation of assets and liabilities in foreign currencies [1],[2]   790,588
Purchase of investments [1]   (431,424,769)
Proceeds from investments [1]   20,570,876
Change in operating assets:    
Interest receivable [1]   436,152
Change in operating liabilities:    
Professional fees payable [1]   148,027
Accounts payable and accrued expenses [1]   (898,385)
Administration fees payable [1]   28,410
Net cash provided by (used in) operating activities [1]   (395,178,199)
Cash flows from financing activities:    
Capital contributions [1]   431,118,175
Distributions [1]   (30,877,179)
Net cash provided by (used in) financing activities [1]   400,240,996
Net increase in cash and cash equivalents [1]   5,062,797
Effect of exchange rate changes on cash [1]   351,839
Cash and cash equivalents at the beginning of the period [1]   4,203,051
Cash and cash equivalents at the end of the period [1]   9,617,687
Supplemental disclosure of non-cash operating and financing activities    
Investments acquired through in-kind contributions [1]   $ 187,996
[1] MIF Cayman L.P. was formed on July 29, 2025 and commenced principal operations on October 31, 2025, and accordingly, there were no operations during the three months ended June 30, 2025.
[2] MIF Cayman, L.P. was formed on July 29, 2025 and commenced principal operations on October 31, 2025, and accordingly, there were no operations during the three months ended June 30, 2025.