| Item 1. | |
| (a) | Name of issuer:
MAC Copper Ltd |
| (b) | Address of issuer's principal executive
offices:
3RD FLOOR, 3RD FLOOR, ST. HELIER, , JE4 9WG. |
| Item 2. | |
| (a) | Name of person filing:
United Super Pty Ltd (ABN 46 006 261623), as trustee for the Construction and Building Unions Superannuation Fund (ABN 75 493 363 262) (Cbus or the Reporting Person) |
| (b) | Address or principal business office or, if
none, residence:
The registered address of each of United Super Pty Ltd and Cbus is Level 22, 130 Lonsdale St, Melbourne, Victoria 3000, Australia. |
| (c) | Citizenship:
Australia |
| (d) | Title of class of securities:
CHESS Depositary Interest (CDI) |
| (e) | CUSIP No.:
G60409110 |
| Item 3. | If this statement is filed pursuant to §§
240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a: |
| (a) |  Broker
or dealer registered under section 15 of the Act (15 U.S.C. 78o); |
| (b) | Bank
as defined in section 3(a)(6) of the Act (15 U.S.C. 78c); |
| (c) | Insurance
company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c); |
| (d) | Investment
company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8); |
| (e) | An
investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E); |
| (f) | An
employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F); |
| (g) | A
parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G); |
| (h) | A
savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C.
1813); |
| (i) | A
church plan that is excluded from the definition of an investment company under section 3(c)(14)
of the Investment Company Act of 1940 (15 U.S.C. 80a-3); |
| (j) | A
non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S.
institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please
specify the type of institution: |
| (k) | Group,
in accordance with Rule 240.13d-1(b)(1)(ii)(K). |
| | |
| Item 4. | Ownership |
| (a) | Amount beneficially owned:
5,652,400 |
| (b) | Percent of class:
6.9% % |
| (c) | Number of shares as to which the person has:
|
| | (i) Sole power to vote or to direct the vote:
5,652,400
|
| | (ii) Shared power to vote or to direct the
vote:
0
|
| | (iii) Sole power to dispose or to direct the
disposition of:
5,652,400
|
| | (iv) Shared power to dispose or to direct the
disposition of:
0
|
| Item 5. | Ownership of 5 Percent or Less of a Class. |
| | |
| Item 6. | Ownership of more than 5 Percent on Behalf of
Another Person. |
| |
Not Applicable
|
| Item 7. | Identification and Classification of the
Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or
Control Person. |
| |
Not Applicable
|
| Item 8. | Identification and Classification of Members
of the Group. |
| |
Not Applicable
|
| Item 9. | Notice of Dissolution of Group. |
| |
Not Applicable
|
Rule
13d-1(c)