UNITED STATES SECURITIES & EXCHANGE COMMISSION Washington, D.C. 20549 ------------------- SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. __)* Xcyte Therapies, Inc. (Name of Issuer) Common stock, par value $0.001 per share (Title of Class of Securities) 98389F309 (CUSIP Number) October 29, 2004 (Date of event which requires filing of this statement) Check the appropriate box to designate the rule pursuant to which this Schedule 13G is filed: [ ] Rule 13d-1(b) [X] Rule 13d-1(c) [ ] Rule 13d-1(d) __________________ * The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). -------------------------------------------------------------------------------- Page 1 CUSIP No. 98389F309 (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Highbridge Capital Corporation -------------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] -------------------------------------------------------------------------------- (3) SEC USE ONLY -------------------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands, British West Indies -------------------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER -0- SHARES ------------------------------------------------------------------- (6) SHARED VOTING POWER BENEFICIALLY 6% Convertible Exchangeable Preferred Stock OWNED BY (convertible into 1,842,545 shares of Common Stock). See Item 4(a). EACH ------------------------------------------------------------------- (7) SOLE DISPOSITIVE POWER REPORTING -0- ------------------------------------------------------------------- PERSON WITH (8) SHARED DISPOSITIVE POWER See Row 6 above. -------------------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON See Row 6 above. -------------------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ] -------------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 11.05% (See Item 4(b)). -------------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON BD - Broker Dealer -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- Page 2 CUSIP No. 98389F309 (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Highbridge International LLC -------------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] -------------------------------------------------------------------------------- (3) SEC USE ONLY -------------------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands, British West Indies -------------------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER -0- SHARES ------------------------------------------------------------------- (6) SHARED VOTING POWER BENEFICIALLY 6% Convertible Exchangeable Preferred Stock OWNED BY (convertible into 1,842,545 shares of Common Stock). See Item 4(a). EACH ------------------------------------------------------------------- (7) SOLE DISPOSITIVE POWER REPORTING -0- ------------------------------------------------------------------- PERSON WITH (8) SHARED DISPOSITIVE POWER See Row 6 above. -------------------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON See Row 6 above. -------------------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ] -------------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 11.05% (See Item 4(b)). -------------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON OO- Limited Liability Company -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- Page 3 CUSIP No. 98389F309 (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Highbridge Capital Management, LLC -------------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] -------------------------------------------------------------------------------- (3) SEC USE ONLY -------------------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION State of Delaware -------------------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER -0- SHARES ------------------------------------------------------------------- (6) SHARED VOTING POWER BENEFICIALLY 6% Convertible Exchangeable Preferred Stock OWNED BY (convertible into 1,842,545 shares of Common Stock). See Item 4(a). EACH ------------------------------------------------------------------- (7) SOLE DISPOSITIVE POWER REPORTING -0- ------------------------------------------------------------------- PERSON WITH (8) SHARED DISPOSITIVE POWER See Row 6 above. -------------------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON See Row 6 above. -------------------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ] -------------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 11.05% (See Item 4(b)). -------------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON 00-Limited Liability Company -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- Page 4 CUSIP No. 98389F309 (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Glenn Dubin -------------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] -------------------------------------------------------------------------------- (3) SEC USE ONLY -------------------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION United States -------------------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER -0- SHARES ------------------------------------------------------------------- (6) SHARED VOTING POWER BENEFICIALLY 6% Convertible Exchangeable Preferred Stock OWNED BY (convertible into 1,842,545 shares of Common Stock). See Item 4(a). EACH ------------------------------------------------------------------- (7) SOLE DISPOSITIVE POWER REPORTING -0- ------------------------------------------------------------------- PERSON WITH (8) SHARED DISPOSITIVE POWER See Row 6 above. -------------------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON See Row 6 above. -------------------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ] -------------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 11.05% (See Item 4(b)). -------------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON IN -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- Page 5 CUSIP No. 98389F309 (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Henry Swieca -------------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] -------------------------------------------------------------------------------- (3) SEC USE ONLY -------------------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION United States -------------------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER -0- SHARES ------------------------------------------------------------------- (6) SHARED VOTING POWER BENEFICIALLY 6% Convertible Exchangeable Preferred Stock OWNED BY (convertible into 1,842,545 shares of Common Stock). See Item 4(a). EACH ------------------------------------------------------------------- (7) SOLE DISPOSITIVE POWER REPORTING -0- ------------------------------------------------------------------- PERSON WITH (8) SHARED DISPOSITIVE POWER See Row 6 above. -------------------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON See Row 6 above. -------------------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ] -------------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 11.05% (See Item 4(b)). -------------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON IN -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- Page 6 Item 1. (a) Name of Issuer Xcyte Therapies, Inc., a Delaware corporation (the "Issuer") (b) Address of Issuer's Principal Executive offices: 1124 Columbia Street, Suite 130 Seattle, Washington 98104 Item 2(a). Name of Person Filing Item 2(b). Address of Principal Business office Item 2(c). Citizenship Highbridge Capital Corporation The Cayman Corporate Centre, 4th Floor 27 Hospital Road George Town, Grand Cayman Cayman Islands, British West Indies Citizenship: Cayman Islands, British West Indies Highbridge International LLC The Cayman Corporate Centre, 4th Floor 27 Hospital Road George Town, Grand Cayman Cayman Islands, British West Indies Citizenship: Cayman Islands, British West Indies Highbridge Capital Management, LLC 9 West 57th Street, 27th Floor New York, New York 10019 Citizenship: State of Delaware Glenn Dubin c/o Highbridge Capital Management, LLC 9 West 57th Street, 27th Floor New York, New York 10019 Citizenship: United States Henry Swieca c/o Highbridge Capital Management, LLC 9 West 57th Street, 27th Floor New York, New York 10019 Citizenship: United States (d) Title of Class of Securities Common stock, par value $0.001 per share ("Common Stock") (e) CUSIP Number 98389F309 Item 3. if this statement is filed pursuant to Rule 13d-1(b), or 13d-2(b), check whether the person filing is a: (a) [ ] Broker or dealer registered under Section 15 of the Act (15 U.S.C. 78o). -------------------------------------------------------------------------------- Page 7 (b) [ ] Bank as defined in Section 3(a)(6) of the Act (15 U.S.C. 78c). (c) [ ] Insurance company as defined in Section 3(a)(19) of the Act (15 U.S.C. 78c). (d) [ ] Investment company registered under Section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8). (e) [ ] An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E); (f) [ ] An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F); (g) [ ] A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G); (h) [ ] A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813); (i) [ ] A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3); (j) [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(J). If this statement is filed pursuant to Rule 13d-1(c), check this box. [x] Item 4. Ownership (a) Amount Beneficially Owned As of the date hereof, each Reporting Person may be deemed the beneficial owner of 1,842,545 shares of Common Stock issuable to Highbridge International LLC upon conversion of 433,000 shares of 6% Convertible Exchangeable Preferred Stock based on an initial conversion price of $2.35. /1/ /1/ Highbridge Capital Management, LLC is the trading manager of Highbridge International LLC and Highbridge Capital Corporation. Glenn Dubin is a Managing Partner of Highbridge Capital Management, LLC. Henry Swieca is a Managing Partner of Highbridge Capital Management, LLC. Highbridge International LLC is a wholly-owned subsidiary of Highbridge Capital Corporation, a broker/dealer. The foregoing should not be construed in and of itself as an admission by any Reporting Person as to beneficial ownership of shares of Common Stock owned by another Reporting Person. (b) Percent of Class Approximately 11.05% as of the date of this Statement. (Based on the Issuer's 424B3 Prospectus filed on November 1, 2004, there were 14,826,970 shares of Common Stock issued and outstanding after the offering of 2,600,000 shares of 6% Convertible Exchangeable Preferred Stock. In addition, 1,842,545 shares of Common Stock are issuable to Highbridge International LLC upon conversion of the 6% Convertible Exchangeable Preferred Stock described in Item 4(a) above.) (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote 0 (ii) shared power to vote or to direct the vote See Item 4(a) above. (iii) sole power to dispose or to direct the disposition of 0 -------------------------------------------------------------------------------- Page 8 (iv) shared power to dispose or to direct the disposition of See item (a) above. Item 5. Ownership of Five Percent or Less of a Class Inapplicable Item 6. Ownership of More than Five Percent on Behalf of Another Person. Inapplicable Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company See Item 2 above. Item 8. Identification and classification of Members of the Group Inapplicable Item 9. Notice of Dissolution of Group Inapplicable Item 10. Certification 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 of effect. -------------------------------------------------------------------------------- Page 9 SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Dated this 8th day of November, 2004 Highbridge International LLC By: /s/ Howard Feitelberg ---------------------------------------- Howard Feitelberg, Director Highbridge Capital Corporation By: /s/ Howard Feitelberg ---------------------------------------- Howard Feitelberg, Controller Highbridge Capital Management, LLC By: /s/ Ronald S. Resnick ---------------------------------------- Ronald S. Resnick, Managing Director /s/ Glenn Dubin ---------------------------------- GLENN DUBIN /s/ Henry Swieca ---------------------------------- HENRY SWIECA -------------------------------------------------------------------------------- Page 10 Exhibit Index Exhibit Description 1 Joint Filing Agreement -------------------------------------------------------------------------------- Page 11 Exhibit 1 JOINT FILING AGREEMENT In accordance with Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a Statement on schedule 13G filed on November 8, 2004 (including amendments thereto) with respect to the common stock of Xcyte Therapies, Inc. This Joint Filing Agreement shall be filed as an Exhibit to such Statement. Dated: November 8, 2004 Highbridge International LLC By: /s/ Howard Feitelberg ---------------------------------------- Howard Feitelberg, Director Highbridge Capital Corporation By: /s/ Howard Feitelberg ---------------------------------------- Howard Feitelberg, Controller Highbridge Capital Management, LLC By: /s/ Ronald S. Resnick ---------------------------------------- Ronald S. Resnick, Managing Director /s/ Glenn Dubin ---------------------------------- GLENN DUBIN /s/ Henry Swieca ---------------------------------- HENRY SWIECA -------------------------------------------------------------------------------- Page 12