SCHEDULE 13D/A 0001868088 XXXXXXXX LIVE 3 Class A common stock, par value $0.00001 per share 03/12/2025 false 0001973266 87256C101 TKO Group Holdings, Inc.

200 FIFTH AVE NEW YORK NY 10010

Andrew J. Schader, Esq. 212-981-5600 c/o Silver Lake 55 Hudson Yards 550 West 34th Street, 40th Floor New York NY 10001 Kenneth B. Wallach, Esq. 212-455-2000 Simpson Thacher & Bartlett LLP 425 Lexington Avenue New York NY 10017 Hui Lin, Esq. 212-455-2000 Simpson Thacher & Bartlett LLP 425 Lexington Avenue New York NY 10017 Jessica Asrat, Esq. 212-455-2000 Simpson Thacher & Bartlett LLP 425 Lexington Avenue New York NY 10017 0001868088 N Silver Lake West HoldCo, L.P. OO N DE 0 120563082 0 120563082 120563082 N 61 PN Y Silver Lake West HoldCo II, L.P. OO N DE 0 120563082 0 120563082 120563082 N 61 PN Y Silver Lake West VoteCo, L.L.C. OO N DE 0 120563082 0 120563082 120563082 N 61 OO Y Egon Durban OO N X1 0 120563082 0 120563082 120563082 N 61 IN Class A common stock, par value $0.00001 per share TKO Group Holdings, Inc. 200 FIFTH AVE NEW YORK NY 10010 This Amendment No. 3 ("Amendment No. 3") is being filed by Silver Lake West HoldCo, L.P., Silver Lake West HoldCo II, L.P., Silver Lake West VoteCo, L.L.C. and Egon Durban (collectively, the "Reporting Persons"), and amends the Schedule 13D initially filed relating to the shares of Class A common stock, par value $0.00001 per share (the "Class A Common Stock") of TKO Group Holdings, Inc., a Delaware corporation (the "Issuer") on February 6, 2025, as amended by Amendment No. 1 filed on February 18, 2025, as amended by Amendment No. 2 filed on February 28, 2025 (as amended, the "Schedule 13D"). Except as specifically provided herein, this Amendment No. 3 does not modify any of the information previously reported in the Schedule 13D. Capitalized terms used herein and not otherwise defined have the meanings ascribed to them in the Schedule 13D. This Amendment No. 3 is being filed to update the Item 6 disclosure regarding the Second Amendment (defined below) and not in connection with the purchase or disposition of Class A Common Stock by the Reporting Persons. Item 3 of the Schedule 13D is hereby amended and supplemented as follows: The information set forth in Item 6 of this Schedule 13D is hereby incorporated by reference into this Item 3. The securities reported in this Schedule 13D are held solely by subsidiaries of EGH. Investment funds managed by Silver Lake do not directly hold any equity securities of the Issuer. Item 6 of the Schedule 13D is hereby amended and supplemented as follows: On March 12, 2025, January Holdco entered into a second amendment to the Margin Loan Agreement (the "Second Amendment"), increasing the facility size thereunder to $3.0 billion. The remaining $1.925 billion available under the Margin Loan Agreement, after giving effect to the Second Amendment, was drawn on March 12, 2025. No additional securities were pledged as collateral under the Second Amendment. All other material terms of the Margin Loan Agreement as previously reported by the Issuer remain unchanged. Silver Lake West HoldCo, L.P. /s/ Andrew J. Schader 03/12/2025 Silver Lake West HoldCo II, L.P. /s/ Andrew J. Schader 03/12/2025 Silver Lake West VoteCo, L.L.C. /s/ Andrew J. Schader 03/12/2025 Egon Durban /s/ Andrew J. Schader 03/12/2025