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CUSIP No. 037032109 13G Page 1 of 8 Pages
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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
(Rule 13d-102)
INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO
RULE 13d-2
(Amendment No. -- ) (1)
Antigenics, Inc.
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(Name of Issuer)
Common Stock, par value $0.001 per share
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(Title of Class of Securities)
037032109
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(CUSIP Number)
April 5, 2007
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(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:
[ ] Rule 13d-1(b)
[X] Rule 13d-1(c)
[ ] Rule 13d-1(d)
(1) 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 the purpose 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 of 8
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CUSIP No. 037032109 13G Page 2 of 8 Pages
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1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
FGS Advisors, LLC (2)
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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a) [ ]
(b) [ ]
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3 SEC USE ONLY
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4 CITIZENSHIP OR PLACE OF ORGANIZATION
New York
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5 SOLE VOTING POWER
NUMBER OF -----------------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY
OWNED BY 2,319,967
EACH -----------------------------------------------------
REPORTING 7 SOLE DISPOSITIVE POWER
PERSON
WITH -----------------------------------------------------
8 SHARED DISPOSITIVE POWER
2,319,967
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9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,319,967
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10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
(SEE INSTRUCTIONS) [ ]
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11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.1%
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12 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
IA
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(2) The controlling members of the Reporting Person are Harvey Sawikin and James
Passin. The Reporting Person may be deemed the beneficial owner of 1,547,248
shares (or 3.4% of the outstanding shares of Common Stock) in its capacity as
the investment adviser to Firebird Global Master Fund, Ltd. (the "Global Master
Fund"), which is the holder of such shares. As the investment adviser of the
Global Master Fund, the Reporting Person has voting and investment control with
respect to the shares. The Reporting Person may also be deemed a member of a
group with the investment adviser of Firebird Global Master Fund II, Ltd., that
holds 772,719 shares, as a result of the common management of the investment
advisers of each such fund.
Page 2 of 8
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CUSIP No. 037032109 13G Page 3 of 8 Pages
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1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
FG2 Advisors, LLC (3)
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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a) [ ]
(b) [ ]
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3 SEC USE ONLY
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4 CITIZENSHIP OR PLACE OF ORGANIZATION
New York
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5 SOLE VOTING POWER
NUMBER OF
SHARES -----------------------------------------------------
BENEFICIALLY 6 SHARED VOTING POWER
OWNED BY 2,319,967
EACH -----------------------------------------------------
REPORTING 7 SOLE DISPOSITIVE POWER
PERSON
WITH -----------------------------------------------------
8 SHARED DISPOSITIVE POWER
2,319,967
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9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,319,967
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10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
(SEE INSTRUCTIONS) [ ]
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11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.1%
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12 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
IA
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(3) The controlling members of the Reporting Person are Harvey Sawikin and James
Passin. The Reporting Person may be deemed the beneficial owner of 772,719
shares (or 1.7% of the outstanding shares of Common Stock of the issuer) in its
capacity as the investment adviser to Firebird Global Master Fund II, Ltd. (the
"Global Master Fund II"), which is the holder of such shares. As the investment
adviser of the Global Master Fund II, the Reporting Person has voting and
investment control with respect to the shares. The Reporting Person may also be
deemed a member of a group with the investment adviser of Firebird Global Master
Fund, Ltd., that holds 1,547,248 shares, as a result of the common management of
the investment advisers of each such fund.
Page 3 of 8 Page
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CUSIP No. 037032109 13G Page 4 of 8 Pages
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Schedule 13G
Item 1(a). Name of Issuer: Antigenics, Inc.
Item 1(b). Address of Issuer's Principal Executive Offices:
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630 Fifth Avenue, Suite 2100, New York, NY 10111
Item 2(a). Name of Persons Filing: FGS Advisors, LLC;
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FG2 Advisors, LLC (4)
Item 2(b). Address of Principal Business Office or, if None, Residence:
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152 West 57th Street, 24th Floor, New York, NY 10019
Item 2(c). Citizenship: New York
Item 2(d). Title of Class of Securities: Common Stock, $0.001 par
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value (the "Common Stock")
Item 2(e). CUSIP Number: 037032109
Item 3. If this statement is filed pursuant to Rule 13d-1(b),
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or 13d-2(b) or (c), Check Whether the Person Filing is a:
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(a) [ ] Broker or dealer registered under section 15 of the Act
(15 U.S.C. 78o).
(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 ss.240.13d-1
(b)(1)(ii)(E);
(f) [ ] An employee benefit plan or endowment fund in accordance with
Section 240.13d-1(b)(1)(ii)(F);
(g) [ ] A parent holding company or control person in
accordance with Section 240.13d-1(b)(1)(ii)(G);
(h) [ ] A savings associations 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
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(4) The Reporting Persons are filing jointly pursuant to a joint filing
agreement annexed hereto as Exhibit A.
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CUSIP No. 037032109 13G Page 5 of 8 Pages
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section 3(c)(14) of the Investment Company Act of 1940
(15 U.S.C. 80a-3);
(j) [ ] Group, in accordance with ss.240.13d-1(b)(1)(ii)(J).
Item 4. Ownership.
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(a) Amount beneficially owned: (5)
2,319,967
(b) Percent of class:
5.1%
(c) Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
0
(ii) Shared power to vote or to direct the vote:
2,319,967
(iii) Sole power to dispose or to direct the
disposition of:
0
(iv) Shared power to dispose or to direct the
disposition of:
2,319,967
Item 5. Ownership of Five Percent or Less of a Class.
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Not Applicable.
Item 6. Ownership of More than Five Percent on Behalf of Another Person.
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Not Applicable.
Item 7. Identification and Classification of the Subsidiary which Acquired
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the Security Being Reported on By the Parent Holding Company or
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Control Person.
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Not Applicable.
(5) The controlling members of the Reporting Persons are Harvey Sawikin and
James Passin. The Reporting Persons may be deemed the beneficial owner of
2,319,967 shares (or 5.1% of the outstanding shares of Common Stock of the
issuer) in their respective capacities as the investment adviser to Firebird
Global Master Fund, Ltd. and Firebird Global Master Fund II, Ltd. (collectively,
the "Funds"), which are the holders of such shares. As the investment advisers
of the Funds, the Reporting Persons have voting and investment control with
respect to the shares.
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CUSIP No. 037032109 13G Page 6 of 8 Pages
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Item 8. Identification and Classification of Members of the Group.
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Not Applicable.
Item 9. Notice of Dissolution of Group.
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Not Applicable.
Item 10. Certification.
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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.
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CUSIP No. 037032109 13G Page 7 of 8 Pages
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SIGNATURES
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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: April 10, 2007
FGS ADVISORS, LLC
By: /s/ James Passin
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James Passin
Principal
FG2 ADVISORS, LLC
By: /s/ James Passin
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James Passin
Principal
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CUSIP No. 037032109 13G Page 8 of 8 Pages
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EXHIBIT A
JOINT FILING AGREEMENT
FGS Advisors, LLC and FG2 Advisors, LLC in compliance with Rule
13d-1(k) of the Securities and Exchange Commission, hereby agree that the
statement on Schedule 13G to which this Agreement is attached as an exhibit is,
and any amendments thereto filed by any of us will be, filed on behalf of each
such company, that each such company is responsible for the timely filing of the
Schedule 13G and any amendments thereto and for the completeness and accuracy of
the information concerning such company contained therein.
Dated: April 10, 2007
FGS ADVISORS, LLC
By: /s/ James Passin
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James Passin
Principal
FG2 ADVISORS, LLC
By: /s/ James Passin
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James Passin
Principal
Page 8 of 8