CUSIP No. 969199108 13G Page 1 of 13 Pages
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. _________)*
Willbros Group, Inc.
(Name of Issuer)
Common Stock, $.05 par value per share
(Title of Class of Securities)
969199108
(CUSIP Number)
October 29, 2005
(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)
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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 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).
CUSIP No. 969199108 13G Page 2 of 13 Pages
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(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
GLG North American Opportunity Fund
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(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a) [X]
(b) [ ]
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(3) SEC USE ONLY
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(4) CITIZENSHIP OR PLACE OF ORGANIZATION
Cayman Islands
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NUMBER OF (5) SOLE VOTING POWER
0
SHARES -------------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
1,245,500 shares of Common Stock
OWNED BY -------------------------------------------------------------
EACH (7) SOLE DISPOSITIVE POWER
0
REPORTING -------------------------------------------------------------
PERSON WITH: (8) SHARED DISPOSITIVE POWER
1,245,500 shares of Common Stock
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(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,245,500 shares of Common Stock
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(10) CHECK BOX 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)
5.78%
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(12) TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
PN
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CUSIP No. 969199108 13G Page 3 of 13 Pages
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(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
GLG Partners LP
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(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a) [X]
(b) [ ]
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(3) SEC USE ONLY
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(4) CITIZENSHIP OR PLACE OF ORGANIZATION
England
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NUMBER OF (5) SOLE VOTING POWER
0
SHARES -------------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
1,976,780 shares of Common Stock
OWNED BY -------------------------------------------------------------
EACH (7) SOLE DISPOSITIVE POWER
0
REPORTING -------------------------------------------------------------
PERSON WITH: (8) SHARED DISPOSITIVE POWER
1,976,780 shares of Common Stock
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(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,976,780 shares of Common Stock
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(10) CHECK BOX IF THE AGGREGATE AMOUNT
IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
[ ]
-----------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED
BY AMOUNT IN ROW (9)
9.17%
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(12) TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
PN
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CUSIP No. 969199108 13G Page 4 of 13 Pages
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(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
GLG Partners Limited
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(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a) [X]
(b) [ ]
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(3) SEC USE ONLY
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(4) CITIZENSHIP OR PLACE OF ORGANIZATION
England
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NUMBER OF (5) SOLE VOTING POWER
0
SHARES -------------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
1,976,780 shares of Common Stock
OWNED BY -------------------------------------------------------------
EACH (7) SOLE DISPOSITIVE POWER
0
REPORTING -------------------------------------------------------------
PERSON WITH: (8) SHARED DISPOSITIVE POWER
1,976,780 shares of Common Stock
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(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,976,780 shares of Common Stock
-----------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT
IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
[ ]
-----------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED
BY AMOUNT IN ROW (9)
9.17%
-----------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
OO
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CUSIP No. 969199108 13G Page 5 of 13 Pages
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(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
Noam Gottesman
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(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a) [X]
(b) [ ]
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(3) SEC USE ONLY
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(4) CITIZENSHIP OR PLACE OF ORGANIZATION
United States
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NUMBER OF (5) SOLE VOTING POWER
0
SHARES -------------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
1,976,780 shares of Common Stock
OWNED BY -------------------------------------------------------------
EACH (7) SOLE DISPOSITIVE POWER
0
REPORTING -------------------------------------------------------------
PERSON WITH: (8) SHARED DISPOSITIVE POWER
1,976,780 shares of Common Stock
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(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,976,780 shares of Common Stock
-----------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT
IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
[ ]
-----------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED
BY AMOUNT IN ROW (9)
9.17%
-----------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
IN
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CUSIP No. 969199108 13G Page 6 of 13 Pages
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(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
Pierre Lagrange
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(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a) [X]
(b) [ ]
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(3) SEC USE ONLY
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(4) CITIZENSHIP OR PLACE OF ORGANIZATION
Belgium
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NUMBER OF (5) SOLE VOTING POWER
0
SHARES -------------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
1,976,780 shares of Common Stock
OWNED BY -------------------------------------------------------------
EACH (7) SOLE DISPOSITIVE POWER
0
REPORTING -------------------------------------------------------------
PERSON WITH: (8) SHARED DISPOSITIVE POWER
1,976,780 shares of Common Stock
-----------------------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,976,780 shares of Common Stock
-----------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT
IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
[ ]
-----------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED
BY AMOUNT IN ROW (9)
9.17%
-----------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
IN
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CUSIP No. 969199108 13G Page 7 of 13 Pages
(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
Emmanuel Roman
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(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a) [X]
(b) [ ]
-----------------------------------------------------------------------
(3) SEC USE ONLY
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(4) CITIZENSHIP OR PLACE OF ORGANIZATION
France
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NUMBER OF (5) SOLE VOTING POWER
0
SHARES -------------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
1,976,780 shares of Common Stock
OWNED BY -------------------------------------------------------------
EACH (7) SOLE DISPOSITIVE POWER
0
REPORTING -------------------------------------------------------------
PERSON WITH: (8) SHARED DISPOSITIVE POWER
1,976,780 shares of Common Stock
-----------------------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,976,780 shares of Common Stock
-----------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT
IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
[ ]
-----------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED
BY AMOUNT IN ROW (9)
9.17%
-----------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
IN
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CUSIP No. 969199108 13G Page 8 of 13 Pages
Item 1.
(a) Name of Issuer
Willbros Group, Inc., a Republic of Panama corporation (the
"Company").
(b) Address of Issuer's Principal Executive Offices
2000 Building
50th Street, 8th Floor
P. O. Box 0816-01098
Panama, Republic of Panama
Item 2(a). Name of Person Filing
Item 2(b). Address of Principal Business Office or, if none, Residence
Item 2(c). Citizenship
GLG North American Opportunity Fund
c/o GLG Partners LP
1 Curzon Street
London W1J 5HB
England
Citizenship: Cayman Islands
GLG Partners LP
1 Curzon Street
London W1J 5HB
England
Citizenship: England
GLG Partners Limited
c/o GLG Partners LP
1 Curzon Street
London W1J 5HB
England
Citizenship: England
Noam Gottesman
c/o GLG Partners LP
1 Curzon Street
London W1J 5HB
England
Citizenship: United States
Pierre Lagrange
c/o GLG Partners LP
1 Curzon Street
London W1J 5HB
England
Citizenship: Belgium
Emmanuel Roman
c/o GLG Partners LP
1 Curzon Street
London W1J 5HB
England
Citizenship: France
CUSIP No. 969199108 13G Page 9 of 13 Pages
Item 2(d) Title of Class of Securities
Common Stock, $.05 par value per share ("Common Stock")
Item 2(e) CUSIP Number
969199108
Item 3. If this statement is filed pursuant to ss.ss.240.13d-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 ss.240.13d-1(b)(1)(ii)(E);
(f)[ ] An employee benefit plan or endowment fund in accordance with
ss.240.13d-1(b)(1)(ii)(F);
(g)[ ] A parent holding company or control person in accordance with
ss.240.13d-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).
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:
As of the date of this filing, GLG Partners LP, GLG Partners
Limited, Noam Gottesman, Pierre Lagrange, and Emmanuel Roman may be deemed the
beneficial owner of (i) 1,245,500 shares of Common Stock held by GLG North
American Opportunity Fund, (ii) 82,500 shares of Common Stock held by GLG
Investments plc, through its subfund, GLG North American Equity Fund, (iii)
6,724 shares of Common Stock held by Lyxor/GLG Pan European Equity Fund Ltd,
(iv) 16,100 shares of Common Stock held by The Century Fund SICAV, (v) 15,651
shares of Common Stock held by GLG Equities Long-Short CI, (vi) 25,662 shares of
Common Stock held by Lyxor/GLG North American Alternative Equity Fund Ltd ,
(vii) 8,543 shares of Common Stock held by Citi GLG North American Fund Ltd,
(viii) 174,100 shares of Common Stock held by GLG Global Aggressive Fund, (ix)
196,980 shares of Common Stock held by GLG European Long-Short Fund, and (x)
205,020 shares of
CUSIP No. 969199108 13G Page 10 of 13 Pages
Common Stock held by GLG Global Utilities Fund (each entity referred to in (i)
through (x) is herein referred to as a "Fund" and, collectively, as the
"Funds").
GLG Partners LP, an English limited partnership, acts as the
investment manager of each of the Funds and has voting and dispositive power
over the securities held by the Funds. The general partner of GLG Partners LP is
GLG Partners Limited, an English limited company. The shareholders of GLG
Partners Limited are Noam Gottesman, Pierre Lagrange, Philippe Jabre and Lehman
(Cayman) Limited, a subsidiary of Lehman Brothers Holdings, Inc., a
publicly-held entity. The managing directors of GLG Partners Limited are Noam
Gottesman, Pierre Lagrange and Emmanuel Roman, and as a result, each has voting
and dispositive power over the securities held by the Funds. GLG Partners LP,
GLG Partners Limited, Noam Gottesman, Pierre Lagrange and Emmanuel Roman
disclaim beneficial ownership of the securities held by the Funds except for
their pecuniary interest therein.
(b) Percent of class:
The Company's proxy statement on Form DEF 14A that was filed
on December 28, 2005, indicates there were 21,550,612 shares of Common Stock
outstanding as of December 15, 2005. Therefore, based on the Company's
outstanding shares of Common Stock, (i) GLG North American Opportunity Fund may
be deemed to beneficially own 5.78% of the outstanding shares of Common Stock of
the Company, and (ii) GLG Partners LP, GLG Partners Limited, Noam Gottesman,
Pierre Lagrange and Emmanuel Roman may be deemed to beneficially own 9.17% of
the outstanding shares of Common Stock of the Company. 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.
(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
(iv) Shared power to dispose or to direct the disposition of
See Item 4(a) above.
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
CUSIP No. 969199108 13G Page 11 of 13 Pages
Not applicable.
Item 7. Identification and Classification of the Subsidiary Which Acquired
the Security Being Reported on by the Parent Holding Company
Not applicable.
Item 8. Identification and Classification of Members of the Group
See Exhibit I.
Item 9. Notice of Dissolution of Group
Not applicable.
Item 10. Certification
By signing below each of the undersigned certifies that, to the best
of its 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.
Exhibits:
Exhibit I: Joint Filing Agreement, dated as of January 26, 2006, by and among
GLG North American Opportunity Fund, GLG Partners LP, GLG Partners Limited, Noam
Gottesman, Pierre Lagrange and Emmanuel Roman.
CUSIP No. 969199108 13G Page 12 of 13 Pages
SIGNATURES
After reasonable inquiry and to the best of its knowledge and
belief, each of the undersigned certifies that the information with respect to
it set forth in this statement is true, complete, and correct.
Dated: January 26, 2006
GLG NORTH AMERICAN OPPORTUNITY FUND
By: GLG Partners LP, GLG PARTNERS LP
as its Investment Manager By: GLG Partners Limited,
By: GLG Partners Limited, as its General Partner
as its General Partner
/s/ Noam Gottesman /s/ Noam Gottesman
---------------------------- ----------------------------
Name: Noam Gottesman Name: Noam Gottesman
Title: Managing Director Title: Managing Director
/s/ Victoria Parry /s/ Victoria Parry
---------------------------- ----------------------------
Name: Victoria Parry Name: Victoria Parry
Title: Senior Legal Counsel Title: Senior Legal Counsel
GLG PARTNERS LIMITED NOAM GOTTESMAN
/s/ Noam Gottesman /s/ Noam Gottesman
---------------------------- ----------------------------
Name: Noam Gottesman
Title: Managing Director
/s/ Victoria Parry
----------------------------
Name: Victoria Parry
Title: Senior Legal Counsel
PIERRE LAGRANGE
/s/ Pierre Lagrange
---------------------------- ----------------------------
EMMANUEL ROMAN
/s/ Emmanuel Roman
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CUSIP No. 969199108 13G Page 13 of 13 Pages
EXHIBIT I
JOINT FILING AGREEMENT
This will confirm the agreement by and among the undersigned that the Schedule
13G filed with the Securities and Exchange Commission on or about the date
hereof with respect to the beneficial ownership by the undersigned of the Common
Stock, $0.05 par value, of Willbros Group, Inc., a Republic of Panama
corporation, is being filed, and all amendments thereto will be filed, on behalf
of each of the persons and entities named below in accordance with Rule 13d-1(k)
under the Securities Exchange Act of 1934, as amended. This Agreement may be
executed in two or more counterparts, each of which shall be deemed an original,
but all of which together shall constitute one and the same instrument.
Dated as of January 26, 2006
GLG NORTH AMERICAN OPPORTUNITY FUND
By: GLG Partners LP, GLG PARTNERS LP
as its Investment Manager By: GLG Partners Limited,
By: GLG Partners Limited, as its General Partner
as its General Partner
/s/ Noam Gottesman /s/ Noam Gottesman
---------------------------- ----------------------------
Name: Noam Gottesman Name: Noam Gottesman
Title: Managing Director Title: Managing Director
/s/ Victoria Parry /s/ Victoria Parry
---------------------------- ----------------------------
Name: Victoria Parry Name: Victoria Parry
Title: Senior Legal Counsel Title: Senior Legal Counsel
GLG PARTNERS LIMITED NOAM GOTTESMAN
/s/ Noam Gottesman /s/ Noam Gottesman
---------------------------- ----------------------------
Name: Noam Gottesman
Title: Managing Director
/s/ Victoria Parry
----------------------------
Name: Victoria Parry
Title: Senior Legal Counsel
PIERRE LAGRANGE
/s/ Pierre Lagrange
---------------------------- ----------------------------
EMMANUEL ROMAN
/s/ Emmanuel Roman
----------------------------