X0202 SCHEDULE 13G 0001061165 XXXXXXXX LIVE Common Stock, par value $0.001 per share 04/08/2026 0001083301 TERAWULF INC. 88080T104 9 FEDERAL STREET EASTON MD 21601 Rule 13d-1(c) Lone Pine Capital LLC DE 0.00 21745129.00 0.00 21745129.00 21745129.00 N 5.1 OO David F. Craver X1 0.00 21745129.00 0.00 21745129.00 21745129.00 N 5.1 IN Brian F. Doherty X1 0.00 21745129.00 0.00 21745129.00 21745129.00 N 5.1 IN Kelly A. Granat X1 0.00 21745129.00 0.00 21745129.00 21745129.00 N 5.1 IN Stephen F. Mandel, Jr. X1 0.00 21745129.00 0.00 21745129.00 21745129.00 N 5.1 IN Kerry A. Tyler X1 0.00 21745129.00 0.00 21745129.00 21745129.00 N 5.1 IN TERAWULF INC. 9 Federal Street, Easton, Maryland 21601 This statement is filed by: (i) Lone Pine Capital LLC, a Delaware limited liability company ("Lone Pine Capital"), which has the authority to dispose of and vote the securities held by certain funds and portfolios managed by it (the "Funds and Portfolios"), including, without limitation, the common stock, par value $0.001 per share ("Common Stock"), of TeraWulf Inc., a Delaware corporation (the "Company"), directly held by each of the Funds and Portfolios; (ii) David F. Craver ("Mr. Craver"), Brian F. Doherty ("Mr. Doherty"), Kelly A. Granat ("Ms. Granat"), and Kerry A. Tyler ("Ms. Tyler"), each an Executive Committee Member of Lone Pine Managing Member LLC, which is the Managing Member of Lone Pine Capital, with respect to the shares of Common Stock directly held by each of the Funds and Portfolios; and (iii) Stephen F. Mandel, Jr. ("Mr. Mandel"), the Managing Member of Lone Pine Managing Member LLC, which is the Managing Member of Lone Pine Capital, with respect to the shares of Common Stock directly held by each of the Funds and Portfolios. The foregoing persons are hereinafter sometimes collectively referred to as the "Reporting Persons." Any disclosures herein with respect to persons other than the Reporting Persons are made on information and belief after making inquiry to the appropriate party. None of the Reporting Persons directly own any shares of Common Stock. The filing of this statement should not be construed as an admission that any of the Reporting Persons is, for the purposes of Section 13 of the Securities Exchange Act of 1934, the beneficial owner of the shares of Common Stock reported herein. The address of the business office of each of the Reporting Persons is Two Greenwich Plaza, Suite 220, Greenwich, Connecticut 06830. Lone Pine Capital is a limited liability company organized under the laws of the State of Delaware. Mr. Craver, Mr. Doherty, Ms. Granat, Mr. Mandel and Ms. Tyler are United States citizens. Y The information required by Item 4(a) is set forth in Row 9 of the cover page for each of the Reporting Persons and is incorporated herein by reference. The percentage set forth in this Schedule 13G is calculated based upon 424,068,125 shares of Common Stock outstanding as of February 24, 2026, as reported in the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2025, filed with the Securities and Exchange Commission on February 27, 2026. 5.1% The information required by Item 4(c)(i) is set forth in Row 5 of the cover page for each of the Reporting Persons and is incorporated herein by reference. The information required by Item 4(c)(ii) is set forth in Row 6 of the cover page for each of the Reporting Persons and is incorporated herein by reference. The information required by Item 4(c)(iii) is set forth in Row 7 of the cover page for each of the Reporting Persons and is incorporated herein by reference. The information required by Item 4(c)(iv) is set forth in Row 8 of the cover page for each of the Reporting Persons and is incorporated herein by reference. Y N See Item 2(a). Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Exhibit 99.1: Joint Filing Agreement Lone Pine Capital LLC /s/ Kerry A. Tyler 04/15/2026 David F. Craver /s/ David F. Craver 04/15/2026 Brian F. Doherty /s/ Brian F. Doherty 04/15/2026 Kelly A. Granat /s/ Kelly A. Granat 04/15/2026 Stephen F. Mandel, Jr. /s/ Stephen F. Mandel, Jr. 04/15/2026 Kerry A. Tyler /s/ Kerry A. Tyler 04/15/2026