0001076673-26-000001.txt : 20260220 0001076673-26-000001.hdr.sgml : 20260220 20260220103924 ACCESSION NUMBER: 0001076673-26-000001 CONFORMED SUBMISSION TYPE: D/A PUBLIC DOCUMENT COUNT: 1 ITEM INFORMATION: Rule 506(b) provides a "safer harbor" for a private offering FILED AS OF DATE: 20260220 DATE AS OF CHANGE: 20260220 EFFECTIVENESS DATE: 20260220 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Advantage Advisers Xanthus Fund, L.L.C. CENTRAL INDEX KEY: 0001076673 ORGANIZATION NAME: EIN: 134038889 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: D/A SEC ACT: 1933 Act SEC FILE NUMBER: 021-139030 FILM NUMBER: 26657241 BUSINESS ADDRESS: STREET 1: 85 BROAD STREET CITY: NEW YORK STATE: NY ZIP: 10004 BUSINESS PHONE: 212-667-4225 MAIL ADDRESS: STREET 1: 85 BROAD STREET CITY: NEW YORK STATE: NY ZIP: 10004 FORMER COMPANY: FORMER CONFORMED NAME: XANTHUS FUND LLC DATE OF NAME CHANGE: 19990112 D/A 1 primary_doc.xml X0708 D/A LIVE 0001076673 Advantage Advisers Xanthus Fund, L.L.C. 85 BROAD STREET NEW YORK NY NEW YORK 10004 212-667-4225 DELAWARE Advantage Advisers Xanthus Fund, L.L.C. Xanthus Fund, L.L.C. XANTHUS FUND LLC Limited Liability Company true Bryan McKigney c/o Oppenheimer Asset Management Inc. 85 Broad Street New York NY NEW YORK 10004 Executive Officer Todd Milbourn c/o Oppenheimer Asset Management Inc. 85 Broad Street New York NY NEW YORK 10004 Director Member of the Board of Managers Luis F. Rubio c/o Oppenheimer Asset Management Inc. 85 Broad Street New York NY NEW YORK 10004 Director Member of the Board of Managers Janet L. Schinderman c/o Oppenheimer Asset Management Inc. 85 Broad Street New York NY NEW YORK 10004 Director Member of the Board of Managers Jesse Ausubel c/o Oppenheimer Asset Management Inc. 85 Broad Street New York NY NEW YORK 10004 Director Member of the Board of Managers Michael J. Murphy c/o Oppenheimer Asset Management Inc. 85 Broad Street New York NY NEW YORK 10004 Director Member of the Board of Managers N/A Advantage Advisers Multi-Manager, L.L.C. c/o Oppenheimer Asset Management Inc. 85 Broad Street New York NY NEW YORK 10004 Promoter Investment Manager Pooled Investment Fund Hedge Fund true Decline to Disclose 06b true 0001076673-25-000001 1999-09-01 true true false 0 Oppenheimer & Co. Inc. 249 None None 85 BROAD STREET, 24TH FLOOR NEW YORK NY NEW YORK 10004 All States false J.P. Morgan Securities LLC 79 None None 270 PARK AVENUE NEW YORK NY NEW YORK 10017 All States false Raymond James & Associates, Inc. 705 None None 880 CARILLON PARKWAY ST. PETERSBURG FL FLORIDA 33716 All States false Indefinite 3556687432 Indefinite false 86186 16908407 true 0 true For period 1/1/03 (or since inception) through 12/31/25. 0 true The fund charges a management fee that is described in the fund's governing documents. false Advantage Advisers Xanthus Fund, L.L.C. Bryan McKigney Bryan McKigney Authorized Signatory 2026-02-20