SCHEDULE 13G 0001061165 XXXXXXXX LIVE Common Stock, par value $0.001 per share 10/17/2025 0001370637 ETSY INC 29786A106 117 ADAMS STREET BROOKLYN NY 11201 Rule 13d-1(c) LONE PINE CAPITAL LLC DE 0.00 4974542.00 0.00 4974542.00 4974542.00 N 5.0 OO David F. Craver X1 0.00 4974542.00 0.00 4974542.00 4974542.00 N 5.0 IN Brian F. Doherty X1 0.00 4974542.00 0.00 4974542.00 4974542.00 N 5.0 IN Kelly A. Granat X1 0.00 4974542.00 0.00 4974542.00 4974542.00 N 5.0 IN Stephen F. Mandel, Jr. X1 0.00 4974542.00 0.00 4974542.00 4974542.00 N 5.0 IN Kerry A. Tyler X1 0.00 4974542.00 0.00 4974542.00 4974542.00 N 5.0 IN ETSY INC 117 Adams Street, Brooklyn, New York 11201 This statement is filed by: (i) Lone Pine Capital LLC, a Delaware limited liability company ("Lone Pine Capital"), which serves as investment manager to Lone Spruce, L.P., a Delaware limited partnership ("Lone Spruce"), Lone Cascade, L.P., a Delaware limited partnership ("Lone Cascade"), Lone Sierra, L.P., a Delaware limited partnership ("Lone Sierra"), Lone Cypress, Ltd., a Cayman Islands exempted company ("Lone Cypress"), and Lone Monterey Master Fund, Ltd., a Cayman Islands exempted company ("Lone Monterey Master Fund", and together with Lone Spruce, Lone Cascade, Lone Sierra and Lone Cypress, the "Lone Pine Funds"), with respect to the common stock, par value $0.001 per share ("Common Stock") of ETSY INC, a Delaware corporation (the "Company") directly held by each of the Lone Pine Funds. Lone Pine Capital has the authority to dispose of and vote the shares of Common Stock directly held by the Lone Pine Funds; (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 Lone Pine Funds; 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 Lone Pine Funds. 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 99,108,568 shares of Common Stock outstanding as of July 25, 2025, as reported in the Company's Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2025, filed with the Securities and Exchange Commission on July 30, 2025. 5.0% 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 10/24/2025 David F. Craver /s/ David F. Craver 10/24/2025 Brian F. Doherty /s/ Brian F. Doherty 10/24/2025 Kelly A. Granat /s/ Kelly A. Granat 10/24/2025 Stephen F. Mandel, Jr. /s/ Stephen F. Mandel, Jr. 10/24/2025 Kerry A. Tyler /s/ Kerry A. Tyler 10/24/2025