FORM 4
[X] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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OMB Number: 3235-0287
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

O'Neil Nick		 2. Issuer Name and Ticker or Trading Symbol

Macquarie Infrastructure Holdings, LLC [ MIC ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                    _____ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
Chief Financial Officer
(Last)          (First)          (Middle)

125 WEST 55TH STREET		 3. Date of Earliest Transaction (MM/DD/YYYY)

7/21/2022
(Street)

NEW YORK, NY 10019
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
 6. Individual or Joint/Group Filing (Check Applicable Line)

_X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8) 		4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4) 		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Units (1)7/21/2022  D  8700 D (2)0 I By The O'Neil Investment Trust (3)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)		2. Conversion or Exercise Price of Derivative Security3. Trans. Date3A. Deemed Execution Date, if any4. Trans. Code
(Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4)		8. Price of Derivative Security
(Instr. 5)		9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
(1) On September 22, 2021, Macquarie Infrastructure Holdings, LLC (the "Company") became the successor of Macquarie Infrastructure Corporation ("MIC Corp") pursuant to a reorganization merger. The reorganization merger resulted in the Company becoming a parent holding company of MIC Corp, but did not alter the proportionate interests of security holders. Pursuant to the reorganization merger agreement, each outstanding share of MIC Corp common stock, par value $0.001 per share, issued and outstanding immediately prior to the reorganization merger was converted into common units of the Company ("Common Units"), on a one for one basis without an exchange of certificates.
(2) Disposed of in connection with the Agreement and Plan of Merger by and among the Company, AMF Hawaii Holdings, LLC, AMF Hawaii Merger Sub, LLC and MIC Corp, pursuant to which each Common Unit issued and outstanding was converted into the right to receive $4.11 in cash, without interest.
(3) Mr. O'Neil is a beneficiary of The O'Neil Investment Trust (the "Trust") and is a director and shareholder of the Trustee of the Trust. Mr. O'Neil disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
O'Neil Nick
125 WEST 55TH STREET
NEW YORK, NY 10019

Chief Financial Officer
Signatures
/s/ Michael Kernan, Authorized Signatory7/21/2022
**Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note:File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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