X0202 SCHEDULE 13D/A 0001886438 XXXXXXXX LIVE 8 Common Stock, $0.01 par value per share 08/10/2026 false 0001869198 53190C102 Life Time Group Holdings, Inc.

2902 Corporate Place Chanhassen MN 55317

Jennifer Bellah Maguire 213-229-7986 333 South Grand Avenue Los Angeles CA 90071-3197 0001886438 N Green LTF Holdings II LP a WC N DE 0.00 5908604.00 0.00 5908604.00 5908604.00 N 2.6 PN Y Green Equity Investors VI, L.P. a WC N DE 0.00 5908604.00 0.00 5908604.00 5908604.00 N 2.6 PN Y Green Equity Investors Side VI, L.P. a WC N DE 0.00 5908604.00 0.00 5908604.00 5908604.00 N 2.6 PN Y LGP Associates VI-A LLC a WC N DE 0.00 5908604.00 0.00 5908604.00 5908604.00 N 2.6 OO Y LGP Associates VI-B LLC a WC N DE 0.00 5908604.00 0.00 5908604.00 5908604.00 N 2.6 OO Y GEI Capital VI, LLC a WC N DE 0.00 5908604.00 0.00 5908604.00 5908604.00 N 2.6 OO Y Green VI Holdings, LLC a WC N DE 0.00 5908604.00 0.00 5908604.00 5908604.00 N 2.6 OO Y Leonard Green & Partners, L.P. a WC N DE 0.00 5908604.00 0.00 5908604.00 5908604.00 N 2.6 PN Y LGP Management Inc. a WC N DE 0.00 5908604.00 0.00 5908604.00 5908604.00 N 2.6 CO Y Peridot Coinvest Manager LLC a WC N DE 0.00 5908604.00 0.00 5908604.00 5908604.00 N 2.6 OO Common Stock, $0.01 par value per share Life Time Group Holdings, Inc. 2902 Corporate Place Chanhassen MN 55317 This Amendment No. 8 (this "Amendment") amends and supplements the Schedule 13D filed on October 22, 2021, as amended by Amendment No. 1, filed on August 16, 2024, Amendment No. 2, filed on November 13, 2024, Amendment No. 3, filed on March 5, 2025, Amendment No. 4, filed on June 10, 2025, Amendment No. 5, filed on September 15, 2025, Amendment No. 6, filed on May 7, 2026 and Amendment No. 7, filed on May 26, 2026 (as so amended, the "Initial Statement" and, as further amended by this Amendment, the "Schedule 13D"), and relates to the common stock, $0.01 par value per share (the "Common Stock"), of Life Time Group Holdings, Inc. (the "Issuer"). Capitalized terms used but not defined in this Amendment shall have the meanings ascribed to them in the Initial Statement and unless amended hereby, all information in the Initial Statement remains in effect. Item 2(a) of the Initial Statement is hereby amended and supplemented by replacing the first sentence of the second paragraph with the following: As of the date of this statement, (i) Green LTF is the record owner of 5,800,858 shares of Common Stock, (ii) Associates VI-A is the record owner of 9,825 shares of Common Stock, and (iii) Associates VI-B is the record owner of 97,921 shares of Common Stock. Item 4 of the Initial Statement is hereby amended and supplemented by adding the following at the end of Item 4 of the Initial Statement: August 2026 Offering On August 10, 2026, Green LTF, Associates VI-A and Associates VI-B sold 5,025,751, 8,512, and 84,836 shares of Common Stock, respectively, at a price of $43.16 per share pursuant to Rule 144 of the Securities Act of 1933, as amended (the "August 10, 2026 Offering"). Item 5 of the Initial Statement is hereby amended and restated as follows: The information set forth in or incorporated by reference in Items 2, 3 and 4 and on the cover pages of this Schedule 13D is incorporated by reference in its entirety into this Item 5. As of the date hereof, Green LTF holds 5,800,858 shares of Common Stock, representing approximately 2.6% of the issued and outstanding shares of Common Stock, Associates VI-A holds 9,825 shares of Common Stock, representing approximately 0.0% of the issued and outstanding shares of Common Stock and Associates VI-B holds 97,921 shares of Common Stock, representing approximately 0.0% of the issued and outstanding shares of Common Stock. Ownership percentages set forth in this Schedule 13D are based upon a total of 223,461,948 shares of Common Stock outstanding as of July 27, 2026, as reported by the Issuer in its Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on July 30, 2026. In addition, as discussed in Item 2 above, by virtue of the agreements made pursuant to the Stockholders Agreement, the Voting Group members may be deemed to be acting as a group for purposes of Rule 13d-3 under the Exchange Act. Shares beneficially owned by the other members of the Voting Group are not the subject of this Schedule 13D and accordingly, none of the other members of the Voting Group are included as reporting persons herein. See Item 5(a) above. On August 10, 2026, Green LTF, Associates VI-A and Associates VI-B sold 5,025,751, 8,512 and 84,836 shares of Common Stock, respectively, at a price of $43.16 per share. Except as stated within this Item 5, to the knowledge of the Reporting Persons, only the Reporting Persons have the right to receive, or the power to direct the receipt of, dividends from, or proceeds from the sale of, any of the shares of Common Stock beneficially owned by the Reporting Persons as described in this Item 5. As a result of the August 10, 2026 Offering, on August 10, 2026, the Reporting Persons ceased to be the beneficial owner of more than five percent of the shares of Common Stock. Green LTF Holdings II LP /s/ Andrew Goldberg 08/12/2026 Green Equity Investors VI, L.P. /s/ Andrew Goldberg 08/12/2026 Green Equity Investors Side VI, L.P. /s/ Andrew Goldberg 08/12/2026 LGP Associates VI-A LLC /s/ Andrew Goldberg 08/12/2026 LGP Associates VI-B LLC /s/ Andrew Goldberg 08/12/2026 GEI Capital VI, LLC /s/ Andrew Goldberg 08/12/2026 Green VI Holdings, LLC /s/ Andrew Goldberg 08/12/2026 Leonard Green & Partners, L.P. /s/ Andrew Goldberg 08/12/2026 LGP Management Inc. /s/ Andrew Goldberg 08/12/2026 Peridot Coinvest Manager LLC /s/ Andrew Goldberg 08/12/2026