X0202 SCHEDULE 13G 0001017918 XXXXXXXX LIVE Class A common stock, $0.0001 par value 03/31/2026 0002065708 Andersen Group Inc. 033853102 333 BUSH ST STE 1700 SAN FRANCISCO CA 94104 Rule 13d-1(b) BAMCO INC /NY/ b NY 0 900149 0 900149 900149 7.12 IA CO Baron Capital Group, Inc. b NY 0 900149 0 900149 900149 7.12 CO HC Baron Capital Management, Inc. b NY 0 0 0 0 0 0 IA CO Ronald Baron b X1 0 900149 0 900149 900149 7.12 HC IN Baron Small Cap Fund b MA 0 900000 0 900000 900000 7.11 IV Andersen Group Inc. 333 BUSH ST STE 1700, SAN FRANCISCO, CA, 94104 Baron Capital Group, Inc. ("BCG"), BAMCO, Inc. ("BAMCO"), Baron Capital Management, Inc. ("BCM"), Ronald Baron, Baron Small Cap Fund ("BSC") 767 Fifth Avenue, 49th Floor, New York, NY 10153 BCG, BAMCO and BCM are New York corporations. Ronald Baron is a citizen of the United States. BSC is a series of a Massachusetts Business Trust. N IV IA HC 900,149 7.12 0 900,149 0 900,149 Y N The advisory clients of BAMCO and BCM have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the Issuer's common stock in their accounts. To the best of the Filing Persons' knowledge, no such person has such interest relating to more than 5% of the outstanding class of securities. N BAMCO and BCM are subsidiaries of BCG. BSC is an advisory client of BAMCO. Ronald Baron owns a controlling interest in BCG. N See Item 3. Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and 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. BAMCO INC /NY/ /s/ Ronald Baron 05/15/2026 Baron Capital Group, Inc. /s/ Ronald Baron 05/15/2026 Baron Capital Management, Inc. /s/ Ronald Baron 05/15/2026 Ronald Baron /s/ Ronald Baron 05/15/2026 Baron Small Cap Fund /s/ Ronald Baron 05/15/2026