UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G/A

o

Rule 13d-1(b)

o

Rule 13d-1(c)

ý

Rule 13d-1(d)

CUSIP No. 384871 20 8

1.

Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only)
SL Green Realty Corp.
13-3956775

2.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

o

(b)

o

3.

SEC Use Only

4.

Citizenship or Place of Organization
Maryland

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

5.

Sole Voting Power

6.

Shared Voting Power
7,624,583

7.

Sole Dispositive Power

8.

Shared Dispositive Power
7,624,583

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
7,624,583

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o

11.

Percent of Class Represented by Amount in Row (9)
21.87%

12.

Type of Reporting Person (See Instructions)
CO

1.

Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only)
SL Green Operating Partnership. L.P.
13-3960938

2.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

o

(b)

o

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

6.

Shared Voting Power
7,624,583

7.

Sole Dispositive Power

8.

Shared Dispositive Power
7,624,583

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
7,624,583

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o

11.

Percent of Class Represented by Amount in Row (9)
21.87%

12.

Type of Reporting Person (See Instructions)
PN

Item 1.

(a)

Name of Issuer
Gramercy Capital Corp.

(b)

Address of Issuer’s Principal Executive Offices
420 Lexington Avenue, New York, New York 10170

Item 2.

(a)

Name of Person Filing
SL Green Realty Corp.
SL Green Operating Partnership, L.P.

(b)

Address of Principal Business Office or, if none, Residence
420 Lexington Avenue, New York, New York 10170

(c)

Citizenship
Maryland
Delaware

(d)

Title of Class of Securities
Common Stock

(e)

CUSIP Number
384871 20 8

Item 3.

If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:

(a)

o

Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

(b)

o

Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c)

o

Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).

(d)

o

Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C 80a-8).

(e)

o

An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);

(f)

o

An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);

(g)

o

A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);

(h)

o

A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(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 of 1940 (15 U.S.C. 80a-3);

(j)

o

Group, in accordance with §240.13d-1(b)(1)(ii)(J).

Not applicable.

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:   

(b)

Percent of class:   

(c)

Number of shares as to which the person has:

(i)

Sole power to vote or to direct the vote   

(ii)

Shared power to vote or to direct the vote    

(iii)

Sole power to dispose or to direct the disposition of   

(iv)

Shared power to dispose or to direct the disposition of   

The information contained in Items 5 through 11 on the cover pages hereto (pages 2 and 3 hereof) is incorporated herein by reference.

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   o.

Item 6.

Ownership of More than Five Percent on Behalf of Another Person

Not applicable.

Item 7.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person

Not applicable.

Item 8.

Identification and Classification of Members of the Group

Not applicable.

Item 9.

Notice of Dissolution of Group

Not applicable.

Item 10.

Certification

Not applicable.

Dated: January 23, 2008

SL GREEN REALTY CORP.

By:

/s/ Gregory F. Hughes

Name:

Gregory F. Hughes

Title:

Chief Financial Officer

Dated: January 23, 2008

SL GREEN OPERATING PARTNERSHIP, L.P.

BY:

SL GREEN REALTY CORP.,

Its general partner

By:

/s/ Gregory F. Hughes

Name:

Gregory F. Hughes

Title:

Chief Financial Officer