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Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Checkbox not checked   Rule 13d-1(b)
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SCHEDULE 13D/A 0001011438-23-000659 0001362558 XXXXXXXX LIVE 12 Common Limited Liability Company Units 01/28/2026 false 0001959568 000000000 Senior Credit Investments, LLC 520 Madison Avenue, 12th Floor New York NY 10022 Turner Herbert 971 2 4150000 211 Corniche PO Box 3600 Abu Dhabi C0 00000 0001362558 Abu Dhabi Investment Authority OO C0 6358.08 0 129756.81 0 129756.81 N 100 OO Abu Dhabi Investment Authority (ADIA) is a public institution established in 1976 by the Government of the Emirate of Abu Dhabi (the Government) as an independent investment institution. ADIA is wholly owned and subject to constitutional supervision by the Government. ADIA has an independent legal identity with full capacity to act in fulfilling its statutory mandate and objectives. 0001790748 Platinum International Investment Holdings RSC Limited OO C0 6358.08 0 129756.81 0 129756.81 N 100 CO 0001790749 Platinum Falcon B 2018 RSC Limited WC C0 6358.08 0 129756.81 0 129756.81 N 100 CO Common Limited Liability Company Units Senior Credit Investments, LLC 520 Madison Avenue, 12th Floor New York NY 10022 The following constitutes Amendment No. 12 ("Amendment No. 12") to the Schedule 13D filed with the Securities and Exchange Commission ("SEC") by Abu Dhabi Investment Authority ("ADIA"), Platinum International Investment Holdings RSC Limited ("Platinum Holdings") and Platinum Falcon B 2018 RSC Limited ("Platinum Falcon", and together with Platinum Holdings and ADIA, the "Reporting Persons") on December 13, 2023, as amended by Amendment No. 1 filed on January 25, 2024, Amendment No. 2 filed on February 6, 2024, Amendment No. 3 filed on August 28, 2024, Amendment No. 4 filed on September 24, 2024, Amendment No. 5 filed on October 22, 2024, Amendment No. 6 filed on October 30, 2024, Amendment No. 7 filed on November 27, 2024, Amendment No. 8 filed on December 27, 2024, Amendment No. 9 filed on February 25, 2025, Amendment No. 10 filed on March 7, 2025, and Amendment No. 11 filed on October 24, 2025. This Amendment No. 12 amends and supplements the Schedule 13D as specifically set forth herein. All capitalized terms contained herein but not otherwise defined shall have the meanings ascribed to such terms in the Schedule 13D, as amended. Information given in response to each item shall be deemed incorporated by reference in all other items, as applicable. Item 3 of this Schedule 13D is supplemented and superseded, as the case may be, as follows: The information in Item 4 is incorporated herein by reference. The Common Units of the Issuer were purchased by Platinum Falcon with the working capital of Platinum Falcon. Item 4 of this Schedule 13D is supplemented and superseded, as the case may be, as follows: On December 16, 2025, the Issuer delivered a Notice to Platinum Falcon to purchase Common Units in an aggregate amount equal to $25,000,000 (the "Thirteenth Purchase Amount"). Platinum Falcon paid the Thirteenth Purchase Amount to the Issuer to purchase 13,985.607 Common Units at a per Common Unit purchase price of $1,787.55193, with such price and number of Common Units being determined by the Issuer on January 28, 2026. Each of ADIA, Platinum Holdings and Platinum Falcon may be deemed to beneficially own 129,756.812 Common Units of the Issuer, which represents 100% of the Common Units outstanding as of January 28, 2026, based on information received from the Issuer. The Common Units reported herein are directly held and beneficially owned by Platinum Falcon. Platinum Holdings, the sole owner of Platinum Falcon, may be deemed to beneficially own the Common Units directly held by Platinum Falcon. ADIA, the sole owner of Platinum Holdings, may be deemed the beneficial owner of the Common Units directly held by Platinum Falcon. Items 7 through 10 of each of the cover pages of this Schedule 13D are incorporated herein by reference. Each of the Reporting Persons may be deemed to have sole voting power over 6,358.083788 Common Units and sole dispositive power over 129,756.812 Common Units. The information in Item 4 regarding voting power over the Common Units reported herein under the Voting Trust Agreement and the termination provisions of the Voting Trust Agreement are incorporated herein by reference. The information in Items 3 and 4 is incorporated herein by reference. Except as disclosed in this Schedule 13D, as amended, there have been no transactions by the Reporting Persons or the Scheduled Persons in the securities of the Issuer during the past sixty days. The disclosure regarding the relationship between the Reporting Persons in Item 2(c) of this Schedule 13D is incorporated by reference herein. Not applicable. Item 6 of this Schedule 13D is supplemented and superseded, as the case may be, as follows: The information in Item 4 is incorporated herein by reference. Abu Dhabi Investment Authority /s/ Hamad Shahwan AlDhaheri Hamad Shahwan AlDhaheri/ Authorized Signatory 01/30/2026 /s/ Saif Surour AlMashghouni Saif Surour AlMashghouni/Authorized Signatory 01/30/2026 Platinum International Investment Holdings RSC Limited /s/ Ahmed Salem Abdulla AlNeyadi Ahmed Salem Abdulla AlNeyadi/Authorized Signatory 01/30/2026 /s/ Mubarak Awad Qanazel AlAmeri Mubarak Awad Qanazel AlAmeri/Authorized Signatory 01/30/2026 Platinum Falcon B 2018 RSC Limited /s/ Ahmed Salem Abdulla AlNeyadi Ahmed Salem Abdulla AlNeyadi/Authorized Signatory 01/30/2026 /s/ Mubarak Awad Qanazel AlAmeri Mubarak Awad Qanazel AlAmeri/Authorized Signatory 01/30/2026