SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549


SCHEDULE 13G
(Rule 13d-102)

Under the Securities Exchange Act of 1934

(Amendment No. 2)*

Greenhill & Co., Inc.
(Name of Issuer)
 
Common Stock, par value $0.01 per share
(Title of Class of Securities)
 
395259 10 4
(CUSIP Number)
 
December 31, 2006
(Date of Event which Requires Filing of this Statement)

      Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

  o Rule 13d-1(b)
  o Rule 13d-1(c)
  x 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 the purpose of Section 18 of the Securities Exchange Act of 1934 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 7






CUSIP No. 395259 10 4 13G  

1 NAME OF REPORTING PERSONS:
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

Robert F. Greenhill
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) 
(b) 
3 SEC USE ONLY

4 CITIZENSHIP OR PLACE OF ORGANIZATION:

USA
NUMBER OF SHARES
BENEFICIALLY OWNED BY
EACH REPORTING PERSON
WITH
5 SOLE VOTING POWER:

5,169
6 SHARED VOTING POWER:

4,930,922
7 SOLE DISPOSITIVE POWER:

5,169
8 SHARED DISPOSITIVE POWER:

4,930,922
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

4,936,091
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
 
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):

17.4%
12 TYPE OF REPORTING PERSON:

IN
   

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CUSIP No. 395259 10 4 13G  
1 NAME OF REPORTING PERSONS:
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY): 13 389 7358

Greenhill Family Limited Partnership
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) 
(b) 
3 SEC USE ONLY

4 CITIZENSHIP OR PLACE OF ORGANIZATION:

Delaware
NUMBER OF SHARES
BENEFICIALLY OWNED BY
EACH REPORTING PERSON
WITH
5 SOLE VOTING POWER:

0
6 SHARED VOTING POWER:

3,969,450
7 SOLE DISPOSITIVE POWER:

0
8 SHARED DISPOSITIVE POWER:

3,969,450
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

3,969,450
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
 
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):

14%
12 TYPE OF REPORTING PERSON:

PN

Page 3 of 7







CUSIP No. 395259 10 4 13G  
1 NAME OF REPORTING PERSONS:
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY): 06 129 0723

Riversville Aircraft Corporation II
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) 
(b) 
3 SEC USE ONLY

4 CITIZENSHIP OR PLACE OF ORGANIZATION:

Delaware
NUMBER OF SHARES
BENEFICIALLY OWNED BY
EACH REPORTING PERSON
WITH
5 SOLE VOTING POWER:

0
6 SHARED VOTING POWER:

961,472
7 SOLE DISPOSITIVE POWER:

0
8 SHARED DISPOSITIVE POWER:

961,472
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

961,472
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
 
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):

3.4%
12 TYPE OF REPORTING PERSON:

CO

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Item 1(a). Name of Issuer:
 
      Greenhill & Co., Inc.
   
Item 1(b). Address of Issuer’s Principal Executive Offices:
 
         300 Park Avenue, New York, NY 10022
   
Item 2(a). Name of Person Filing:
 
         Robert F. Greenhill on behalf of himself and on behalf of Greenhill Family Limited Partnership and Riversville Aircraft Corporation II.
   
Item 2(b). Address of Principal Business Office or, if None, Residence:
 
         300 Park Avenue, New York, NY 10022
   
Item 2(c). Citizenship:
 
      USA
   
Item 2(d). Title of Class of Securities:
 
         Common Stock, par value $0.01 per share (“Common Stock”)
   
Item 2(e). CUSIP Number:
 
         395259 10 4
   
Item 3. If this Statement is Filed Pursuant to Rule 13d-1(b), or 13d-2(b) or (c), Check Whether the Person
  Filing is a:
       
  (a) o   Broker or dealer registered under Section 15 of the Exchange Act;
       
  (b) o  Bank as defined in Section 3(a)(6) of the Exchange Act;
       
  (c) o  Insurance company as defined in Section 3(a)(19) of the Exchange Act;
       
  (d) o  Investment company registered under Section 8 of the Investment Company Act;
       
  (e) o  An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);
       
  (f) o  An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F);
       
  (g) o  A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G);
       
  (h) o  A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act;
       
  (i) o  A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act;
       
  (j) o  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.

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Item 4.   Ownership.
     
(a)   Amount beneficially owned:
     
    See item 9 to Cover Pages on this Schedule 13G.
     
    Robert F. Greenhill directly owns 5,169 shares of Common Stock.
     
    Robert F. Greenhill may be deemed to indirectly beneficially own 4,930,922 shares of Common Stock through the following entities: Riversville Aircraft Corporation II, which is controlled by Robert F. Greenhill, directly owns 961,472 shares of Common Stock; Greenhill Family Partnership, of which Robert F. Greenhill is the general partner, directly owns 3,969,450 shares of Common Stock. Robert F. Greenhill disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.
     
(b)   Percent of class:
     
    See item 11 to Cover Pages on this Schedule 13G. All percentages are based on 28,416,590 shares of Common Stock outstanding as of February 9, 2007.
     
(c)   Number of shares as to which such person has:
     
    (i) Sole power to vote or to direct the vote:
       
      See item 5 to Cover Pages on this Schedule 13G.
       
    (ii) Shared power to vote or to direct the vote:
       
      See item 6 to Cover Pages on this Schedule 13G.
       
    (iii) Sole power to dispose or to direct the disposition of:
       
      See item 7 to Cover Pages on this Schedule 13G.
       
    (iv) Shared power to dispose or to direct the disposition of:
       
      See item 8 to Cover Pages on this Schedule 13G.
     
Item 5.   Ownership of Five Percent or Less of a Class.
     
     Not applicable.
       
Item 6.   Ownership of More than Five Percent on Behalf of Another Person.
       
     See Item 4 above.
       
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.
     
     Not applicable.
     
Item 9.   Notice of Dissolution of Group.
 
     Not applicable.

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Item 10.      Certifications.

     Not applicable.

Page 7 of 7






SIGNATURE

     After reasonable inquiry and to the best knowledge and belief of each of the undersigned, each of the undersigned certifies that the information set forth in this statement is true, complete and correct.

 
February 14, 2007

(Date)
 
/s/ Robert F. Greenhill

 
(Signature)
 
  Robert F. Greenhill, on behalf of himself and in his capacity as the General Partner of GFLP and in his capacity as the President of RACII

 
(Name/Title)