UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
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SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. _______________)*
ANTIGENICS INC.
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(Name of Issuer)
COMMON STOCK
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(Title of Class of Securities)
037032109
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(CUSIP Number)
11/1/06
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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:
[X] Rule 13d-1(b)
[] Rule 13d-1(c)
[] Rule 13d-1(d)
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*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).
CUSIP No. _037032109____ 13G
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1. NAME OF REPORTING PERSON(S)
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON(S)
INGALLS & SNYDER VALUE PARTNERS, L.P.
133694561
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2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) [ ]
(b) [ ]
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3. SEC USE ONLY
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4. CITIZENSHIP OR PLACE OF ORGANIZATION
NEW YORK STATE
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NUMBER OF 5. SOLE VOTING POWER 5,093,821
SHARES
BENEFICIALLY --------------------------------------------------------------
OWNED BY 6. SHARED VOTING POWER 0
REPORTING --------------------------------------------------------------
PERSON 7. SOLE DISPOSITIVE POWER 0
WITH
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8. SHARED DISPOSITIVE POWER 5,093,821
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9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
5,093,821
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10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
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11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
9.99%
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12. TYPE OF REPORTING PERSON*
PN
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*SEE INSTRUCTIONS BEFORE FILLING OUT!
13G
Item 1. (a) Name of Issuer: ANTIGENICS INC.
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(b) Address of Issuer's Principal Executive Offices:
630 FIFTH AVE
SUITE 2100
NEW YORK, NY 10111
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Item 2. (a) Name of Person Filing: INGALLS & SNYDER VALUE PARTNERS, LP
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(b) Address of Principal Business Office, or if None, Residence:
c/o INGALLS & SNYDER, LLC
61 BROADWAY, NEW YORK NY 10006
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(c) Citizenship: NEW YORK STATE
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(d) Title of Class of Securities:
COMMON STOCK
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(e) CUSIP Number: 037032109
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Item 3. If this statement is filed pursuant to Section240.13d-1(b) or
240.13d-2(b) or (c), check whether the person filing is a:
(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
Section 240.13d-1(b)(1)(ii)(E);
(f) [ ] An employee benefit plan or endowment fund in accordance
with Section240.13d-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 section 3(c)(14) of the Investment Company Act
of 1940 (15 U.S.C. 80a-3);
(j) [ ] Group, in accordance with Section 240.13d-1(b)(1)(ii)(J).
Item 4. Ownership.
Provide the following information regarding the aggregate number and percentage
of the class of securities of the issuer identified in Item 1.
(a) Amount beneficially owned:______5,093,821________ .
(b) Percent of class: ____9.99%__________.
(c) Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote ____5,093,821___.
(ii) Shared power to vote or to direct the vote ____0__________.
(iii) Sole power to dispose or to direct the disposition of ___0______.
(iv) Shared power to dispose or to direct the disposition of _5,093,821__.
Item 5. Ownership of Five Percent or Less of a Class.
If this statement is being filed to report the fact that as of the date
hereof the reporting person has ceased to be the beneficial owner of more
than five percent of the class of securities, check the following [].
Item 6. Ownership of More Than Five Percent on Behalf of Another Person.
Shares reported under sole voting and shared dispositive authority include
443,925 shares which are receivable under the assumed conversion of
$4,750,000 par value of ANTIGENICS INC. Convertible Notes
due 6/30/08, which are convertible at $10.76/per share and the assumed
conversion of $16,274,636 par value of antigenics Inc. Convertible Notes
due 8/1/11 which are convertible at $3.50 per share. Ingalls & Snyder
Value Partners, LP ("ISVP"), an investment partnership managed under
an investment advisory contract by Ingalls & Snyder LLC ("Ingalls"),
a registered broker dealer and a registered investment advisor.
Thomas Boucher, a managing director of Ingalls, and Robert Gipson
and Adam Janovic, senior directors of Ingalls, are the
general partners of ISVP.
Item 7. Identification and Classification of the Subsidiary which Acquired
the Security Being Reported on By the Parent Holding Company.
Item 8. Identification and Classification of Members of the Group.
Item 9. Notice of Dissolution of Group.
Item 10. Certification.
By signing below -I/we- certify that, to the best of my/our
knowledge and belief, the securities referred to above were acquired
in the ordinary course of business and were not acquired for the
purpose of and do not have the effect of changing or influencing the
control of the issuer of such securities and were not acquired in
connection with or as a participant in any transaction having such
purpose or effect.
Signature.
After reasonable inquiry and to the best of my knowledge and
belief, -I/we- certify that the information set forth in this
statement is true, complete and correct.
Date: 2/13/07
INGALLS & SNYDER VALUE PARTNERS, LP
/S/ THOMAS O. BOUCHER, JR. /s/
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(Signature)*
THOMAS O. BOUCHER, JR.
GENERAL PARTNER
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(Name/Title)
* Attention. Intentional misstatements or omissions of fact constitute federal
criminal violations (see 18 U.S.C. 1001).