TKO Group Holdings, Inc.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934 (Amendment No. )

(Name of Registrant as Specified in its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check all boxes that apply):

200 Fifth Ave, 7 th Floor

New York, NY 10010

April 23, 2026

Dear Fellow Stockholders:

On behalf of the Board of Directors, I invite you to attend the 2026 annual meeting of stockholders (the “Annual Meeting”) of TKO Group Holdings, Inc., which will be held on Wednesday, June 10, 2026 at 4:30 p.m. Eastern Time. The Annual Meeting will be a completely virtual meeting via live webcast.

In accordance with the Securities and Exchange Commission rules allowing companies to furnish proxy materials to their stockholders over the Internet, we have sent stockholders of record of our common stock with voting rights as of the close of business on April 16, 2026 a Notice of Internet Availability of Proxy Materials at the close of business on April 23, 2026. The notice contains instructions on how to access our Proxy Statement and Annual Report and vote online. If you would like to receive a printed copy of our proxy materials instead of downloading a printable version from the Internet, please follow the instructions for requesting such materials included in the notice, as well as in the attached Proxy Statement.

Attached to this letter are a Notice of Annual Meeting of Stockholders and Proxy Statement, which describe the business to be conducted at the Annual Meeting.

Your vote is important to us. Please act as soon as possible to vote your shares. It is important that your shares be represented at the meeting whether or not you plan to attend virtually. Please vote electronically over the Internet, by telephone or, if you receive a paper copy of the proxy card by mail, by returning your signed proxy card in the envelope provided. You may also vote your shares online during the Annual Meeting. Instructions on how to vote live while participating at the Annual Meeting are posted atwww.virtualshareholdermeeting.com/TKO2026.

On behalf of the Board of Directors and management, it is my pleasure to express our appreciation for your continued support.

Ariel Emanuel, Executive Chair and CEO

200 Fifth Ave, 7 th Floor

New York, NY 10010

NOTICE OF ANNUAL MEETING OF STOCKHOLDERS TO BE HELD ON JUNE 10, 2026

NOTICE IS HEREBY GIVEN that the Annual Meeting of Stockholders of TKO Group Holdings, Inc., a Delaware corporation (the “Company”), will be held on Wednesday, June 10, 2026 at 4:30 p.m. Eastern Time. The Annual Meeting will be a completely virtual meeting, which will be conducted via live webcast. You will be able to attend the Annual Meeting online and submit your questions during the meeting by visitingwww.virtualshareholdermeeting.com/TKO2026. For instructions on how to attend and vote your shares at the Annual Meeting, see the information in the accompanying proxy statement (the “Proxy Statement”) in the section titled “General Information about the Annual Meeting and Voting—How can I attend and vote at the Annual Meeting?”

The Annual Meeting is being held to:

(1) elect Ariel Emanuel, Mark Shapiro, Peter C.B. Bynoe, Egon P. Durban, Dwayne Johnson, Bradley A. Keywell, Nick Khan, Steven R. Koonin, Jonathan A. Kraft, Sonya E. Medina, Nancy R. Tellem and Carrie Wheeler to serve as directors on the Company’s Board of Directors (the “Board”) for a term expiring at the Company’s annual meeting of stockholders to be held in 2027 (the “2027 Annual Meeting”) and until his or her respective successor has been elected and qualified or until his or her earlier death, resignation, retirement, disqualification or removal;

(2) ratify the appointment of KPMG LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026; and

(3) transact such other business as may properly come before the Annual Meeting or any continuation, postponement or adjournment thereof.

These items of business are described in the Proxy Statement that follows this notice. Holders of record of our common stock with voting rights as of the close of business on April 16, 2026 are entitled to notice of and to vote at the Annual Meeting, or any continuation, postponement or adjournment thereof.

Your vote is important. Voting your shares will ensure the presence of a quorum at the Annual Meeting and will save us the expense of further solicitation.

Please promptly vote your shares by following the instructions for voting on the Notice Regarding the Availability of Proxy Materials or, if you received a paper or electronic copy of our proxy materials, by completing, signing, dating and returning your proxy card or by Internet or telephone voting as described on your proxy card.

By Order of the Board of Directors,

Seth Krauss

Chief Administrative Officer & Senior Counsel to the Board of Directors and Senior Management

This Notice of Annual Meeting and Proxy Statement are first being distributed or made available, as the case may be, on or about April 23, 2026.

Important Notice Regarding the Availability of Proxy Materials for the Stockholder Meeting. This Proxy Statement and our Annual Report are available free of charge at www.proxyvote.com.