SC 13D/A

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D/A
Under the Securities Exchange Act of 1934
(Amendment No. 20)

Grubb & Ellis Company

(Name of Issuer)

Common Stock, $0.01 par value

(Title of Class of Securities)

40009 52 0

(CUSIP Number)

C. Michael Kojaian
c/o Kojaian Ventures, L.L.C.
39400 Woodward Avenue, Suite 250
Bloomfield Hills, Michigan 48304
Telephone (248) 644-7600

(Name, Address and Telephone Number of Person Authorized to
Receive Notices and Communications)

September 22, 2010

(Date of Event Which Requires Filing of this Statement)

          If the filing person has previously filed a statement on Schedule 13G to report the acquisition which is the subject of this Schedule 13D, and is filing this schedule because of §§240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box o.

(Continued on the following pages)
(Page 1 of 12 Pages)

CUSIP NO. 40009 52 0 13D Page 2 of 12 Pages

1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

Kojaian Holdings LLC

2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
		(a) x
		(b) o

3 SEC USE ONLY

4 SOURCE OF FUNDS (See Instructions)

WC

5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) o

6 CITIZENSHIP OR PLACE OF ORGANIZATION

Michigan

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER
		4,626,326
	8	SHARED VOTING POWER
		0
	9	SOLE DISPOSITIVE POWER
		4,626,326
	10	SHARED DISPOSITIVE POWER
		0

11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

          4,626,326

12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES
o

13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

          6.7%

14 TYPE OF REPORTING PERSON

          OO

2

CUSIP NO. 40009 52 0 13D Page 3 of 12 Pages

1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

Kojaian Ventures, L.L.C.

2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
		(a) x
		(b) o

3 SEC USE ONLY

4 SOURCE OF FUNDS (See Instructions)

Not applicable

5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) o

6 CITIZENSHIP OR PLACE OF ORGANIZATION

Michigan

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER
		11,700,000
	8	SHARED VOTING POWER
		0
	9	SOLE DISPOSITIVE POWER
		11,700,000
	10	SHARED DISPOSITIVE POWER
		0

11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

          11,700,000

12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES
o

13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

          16.8%

14 TYPE OF REPORTING PERSON

          OO

3

CUSIP NO. 40009 52 0 13D Page 4 of 12 Pages

1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

Kojaian Management Corporation

2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
		(a) x
		(b) o

3 SEC USE ONLY

4 SOURCE OF FUNDS (See Instructions)

Not applicable

5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) o

6 CITIZENSHIP OR PLACE OF ORGANIZATION

Michigan

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER
		10,686,926
	8	SHARED VOTING POWER
		0
	9	SOLE DISPOSITIVE POWER
		10,686,926
	10	SHARED DISPOSITIVE POWER
		0

11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

          10,686,926

12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES
o

13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

          14.1%

14 TYPE OF REPORTING PERSON

          CO

4

CUSIP NO. 40009 52 0 13D Page 5 of 12 Pages

1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

Kojaian Ventures-MM, Inc.

2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
		(a) x
		(b) o

3 SEC USE ONLY

4 SOURCE OF FUNDS (See Instructions)

Not applicable

5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) o

6 CITIZENSHIP OR PLACE OF ORGANIZATION

Michigan

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER
		11,700,000
	8	SHARED VOTING POWER
		0
	9	SOLE DISPOSITIVE POWER
		11,700,000
	10	SHARED DISPOSITIVE POWER
		0

11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

          11,700,000

12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES
o

13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

          16.8%

14 TYPE OF REPORTING PERSON

          CO

5

CUSIP NO. 40009 52 0 13D Page 6 of 12 Pages

1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

Mike Kojaian

2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
		(a) x
		(b) o

3 SEC USE ONLY

4 SOURCE OF FUNDS (See Instructions)

Not applicable

5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) o

6 CITIZENSHIP OR PLACE OF ORGANIZATION

United States of America

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER
		0
	8	SHARED VOTING POWER
		10,686,926
	9	SOLE DISPOSITIVE POWER
		0
	10	SHARED DISPOSITIVE POWER
		10,686,926

11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

          10,686,926

12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES
o

13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

          14.1%

14 TYPE OF REPORTING PERSON

          IN

6

CUSIP NO. 40009 52 0 13D Page 7 of 12 Pages

1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

C. Michael Kojaian

2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
		(a) x
		(b) o

3 SEC USE ONLY

4 SOURCE OF FUNDS (See Instructions)

Not applicable

5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) o

6 CITIZENSHIP OR PLACE OF ORGANIZATION

United States of America

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER
		11,774,109
	8	SHARED VOTING POWER
		10,686,926
	9	SOLE DISPOSITIVE POWER
		11,774,109
	10	SHARED DISPOSITIVE POWER
		10,686,926

11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

          22,461,035

12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES
o

13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

          29.7%

14 TYPE OF REPORTING PERSON

          IN

7

          This Amendment No. 20 (this "Amendment No. 20" or this "filing") amends in certain respects Amendment No. 1 to Schedule 13D filed by Mike Kojaian and C. Michael Kojaian dated February 13, 2001 ("Amendment No. 1"); Amendment No. 2 to Schedule 13D filed by Mike Kojaian, C. Michael Kojaian, Kojaian Ventures, L.L.C., a Michigan limited liability company ("KV"), and Kojaian Ventures-MM, Inc., a Michigan corporation and managing member of KV ("KVMM") dated April 19, 2002 ("Amendment No. 2"); Amendment No. 3 to Schedule 13D filed by Mike Kojaian, C. Michael Kojaian, KV and KVMM dated May 16, 2002 ("Amendment No. 3"); Amendment No. 4 to Schedule 13D filed by Mike Kojaian, C. Michael Kojaian, KV and KVMM dated September 27, 2002 ("Amendment No. 4"); Amendment No. 5 to Schedule 13D filed by Mike Kojaian, C. Michael Kojaian, Kojaian Holdings LLC, a Michigan limited liability company (&quo t;KH"), KV, KVMM dated May 9, 2003 ("Amendment No. 5"); Amendment No. 6 to Schedule 13D filed by Mike Kojaian, C. Michael Kojaian, KH, KV, and KVMM dated January 6, 2005 ("Amendment No. 6"); Amendment No. 7 to Schedule 13D filed by Mike Kojaian, C. Michael Kojaian, Kojaian Management Corporation ("KMC"), KH, KV, and KVMM dated April 28, 2006 ("Amendment No. 7"); Amendment No. 8 to Schedule 13D filed by C. Michael Kojaian, KMC, KH, KV, and KVMM dated July 6, 2006 ("Amendment No. 8"); Amendment No. 9 to Schedule 13D filed by C. Michael Kojaian, KMC, KH, KV, and KVMM dated May 22, 2007 ("Amendment No. 9"); Amendment No. 10 to Schedule 13D filed by Mike Kojaian, C. Michael Kojaian, KMC, KH, KV, and KVMM dated September 7, 2007 ("Amendment No. 10"); Amendment No. 11 to Schedule 13D filed by Mike Kojaian and C. Michael Kojaian, KMC, KH, KV, and KVMM dated September 14, 2007 ("Amendment No. 11"); Amend ment No. 12 to Schedule 13D filed by C. Michael Kojaian, KMC, KH, KV, and KVMM dated December 10, 2007 ("Amendment No. 12"); Amendment No. 13 to Schedule 13D filed by C. Michael Kojaian, KMC, KH, KV, and KVMM dated March 5, 2008 ("Amendment No. 13"); Amendment No. 14 to Schedule 13D filed by Mike Kojaian, C. Michael Kojaian, KMC, KH, KV, and KVMM dated June 16, 2008 ("Amendment No. 14"); Amendment No. 15 to Schedule 13D filed by C. Michael Kojaian, KMC, KH, KV, and KVMM dated August 22, 2008 ("Amendment No. 15"); Amendment No. 16 to Schedule 13D filed by C. Michael Kojaian, KMC, KH, KV, and KVMM dated September 3, 2008 ("Amendment No. 16"); Amendment No. 17 to Schedule 13D filed by Mike Kojaian, C. Michael Kojaian, KMC, KH, KV, and KVMM dated June 12, 2009 ("Amendment No. 17"); Amendment No. 18 to Schedule 13D filed by Mike Kojaian, C. Michael Kojaian, KMC, KH, KV, and KVMM dated October 2, 2009 ("Amendment No. 18& quot;); and Amendment No. 19 to Schedule 13D filed by Mike Kojaian, C. Michael Kojaian, KMC, KH, KV, and KVMM dated November 6, 2009 ("Amendment No. 19") (collectively the "Previous Filings"). All items not reported in this Amendment No. 20 are herein incorporated by reference from the Previous Filings. To the extent any item is superseded by any later filing, the later filing is operative and controlling.

Item 1. Security and Issuer

          The title of the class of equity securities to which this statement relates is the common stock, par value $0.01 per share (the "Common Stock") of Grubb & Ellis Company, a Delaware corporation (the "Company"). The address of the Company's principal executive offices is 1551 North Tustin Avenue, Suite 300, Santa Ana, California 92705.

8

Item 2. Identity and Background

          This Amendment No. 20 is being filed by Mike Kojaian, C. Michael Kojaian, KMC, KVMM, KV, and KH (collectively, the "Reporting Persons"). Item 2 of the Previous Filings is here incorporated by reference.

          During the last five years, none of the Reporting Persons has been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors). During the last five years, none of the Reporting Persons has been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction which resulted in the Reporting Person being subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.

Item 3. Source and Amount of Funds or Other Consideration

          Item 3 of the Previous Filings is here incorporated by reference. KH used $328,304.33 of available funds and investments to purchase the Common Stock described in the table contained in Item 5(c) of this filing.

Item 4. Purpose of Transaction

          The Reporting Persons may from time to time in the future acquire or dispose of additional securities of the Company in open market or privately negotiated transactions, depending on market conditions and other considerations that the Reporting Persons deem relevant. As of the date of this filing, the Reporting Persons have no specific plans or proposals to acquire or dispose of securities of the Company.

          The Reporting Persons reserve the right to take any and all actions with respect to their respective investments in the Company as they from time to time may determine in the future in their sole discretion.

Item 5. Interests in Securities of the Issuer

          (a-b)          The total number of shares of Common Stock deemed to be beneficially owned by all of the Reporting Persons is 22,461,035, which represents approximately 29.7% of the outstanding shares of Common Stock. The direct beneficial owners of such shares are represented in the following table (each Reporting Person has or has the right to acquire sole voting and dispositive power over the listed shares):

Beneficial Owner	Shares	Percentage of All Outstanding Common Stock
Kojaian Holdings LLC (KH)	4,626,326	6.7%
Kojaian Ventures, L.L.C. (KV)	11,700,000	16.8%
C. Michael Kojaian	74,109	0.0%
Kojaian Management Corporation	6,060,600	8.0%
TOTAL	22,461,035	29.7%

9

          The 6,060,600 shares of Common Stock directly owned by KMC reported above assumes the conversion of 100,000 shares of Grubb & Ellis Company 12% cumulative participating perpetual convertible preferred stock, par value $0.01 per share (the "Convertible Stock") at a rate of 60.606 shares of Common Stock for each share of Convertible Preferred Stock.

          As the sole member of KH, KMC is the deemed beneficial owner of, and has sole voting and dispositive power over, the 4,626,326 shares of Common Stock directly owned by KH. These shares of Common Stock represent approximately 6.7% of the outstanding shares of Common Stock.

          As the manager member of KV, KVMM is the deemed beneficial owner of, and has sole voting and dispositive power over, the 11,700,000 shares of Common Stock directly owned by KV. These shares represent approximately 16.8% of the outstanding shares of Common Stock.

          As a 50% shareholder of KMC, Mike Kojaian is the deemed beneficial owner of, and has shared voting and dispositive over, the 4,626,326 shares of Common Stock directly owned by KH and the 6,060,600 shares of Common Stock directly beneficially owned by KMC (assuming the conversion of the Convertible Stock as discussed above). Collectively, these shares of Common Stock represent approximately 14.1% of the outstanding shares of Common Stock.

          As (i) a 50% shareholder of KMC, (ii) the sole shareholder of KVMM and (iii) a member (along with KVMM) of KV, C. Michael Kojaian is deemed to be the beneficial owner of the 16,326,326 shares of Common Stock directly owned by KH and KV and the 6,060,600 shares of Common Stock directly beneficially owned by KMC (assuming the conversion of the Convertible Stock as discussed above). These shares of Common Stock, combined with the 74,109 C. Michael Kojaian holds directly for a total of 22,461,035 shares of Common Stock, represent approximately 29.7% of the outstanding shares of Common Stock. Of such 22,461,035 shares of Common Stock, C. Michael Kojaian has sole voting and dispositive power over the 11,700,000 shares of Common Stock directly owned by KV and the 74,109 shares of Common Stock he directly owns and shared voting and dispositive power over the 4,626,326 shares of Common Stock directly owned by KH and the 6,060,600 shares directly owned by KMC.

          (c)          During the past 60 days, the Reporting Persons have purchased the following shares of Common Stock in the open market:

Trade Date	Buyer	Shares Purchased	Share Price
8/19/2010	KH	1,500	$1.07
8/19/2010	KH	3,900	$1.08
8/19/2010	KH	9,600	$1.09
8/19/2010	KH	10,000	$1.10
8/20/2010	KH	2,565	$1.04
8/20/2010	KH	18,235	$1.05
8/20/2010	KH	2,800	$1.06
8/20/2010	KH	1,400	$1.07

10

Trade Date	Buyer	Shares Purchased	Share Price
8/24/2010	KH	1,800	$0.99
8/24/2010	KH	7,700	$1.00
8/24/2010	KH	25,500	$1.01
8/25/2010	KH	1,700	$0.99
8/25/2010	KH	1,600	$1.00
8/25/2010	KH	11,000	$1.01
8/25/2010	KH	10,700	$1.02
8/27/2010	KH	4,800	$1.00
8/27/2010	KH	16,200	$1.01
8/27/2010	KH	45,800	$1.02
8/27/2010	KH	29,500	$1.03
8/27/2010	KH	3,700	$1.04
8/31/2010	KH	12,100	$1.08
8/31/2010	KH	7,900	$1.09
9/3/2010	KH	1,500	$1.15
9/3/2010	KH	8,900	$1.16
9/3/2010	KH	7,700	$1.17
9/3/2010	KH	1,500	$1.18
9/3/2010	KH	200	$1.19
9/3/2010	KH	200	$1.20
9/13/2010	KH	600	$1.11
9/13/2010	KH	14,400	$1.12
9/14/2010	KH	28,434	$1.11
9/14/2010	KH	6,500	$1.12
9/14/2010	KH	800	$1.13
9/14/2010	KH	9,266	$1.14

          (d)          Not applicable.

          (e)          Not applicable.

Item 6. Contracts, Arrangements, Understandings, or Relationships with respect to Securities of the Issuer

          Item 6 of the Previous Filings is here incorporated by reference.

Item 7. Material to Be Filed as Exhibits

Exhibit 1 Joint Filing Agreement dated September 22, 2010.

11

SIGNATURES

          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:  September 22, 2010	/s/ Mike Kojaian
	Mike Kojaian
Dated:  September 22, 2010	/s/ C. Michael Kojaian
	C. Michael Kojaian
Dated:  September 22, 2010	KOJAIAN HOLDINGS LLC
	By:  Kojaian Management Corporation, its Sole Member
	By	/s/ C. Michael Kojaian
		C. Michael Kojaian, its Executive Vice President
Dated:  September 22, 2010	KOJAIAN MANAGEMENT CORPORATION
	By	/s/ C. Michael Kojaian
		C. Michael Kojaian, its Executive Vice President
Dated:  September 22, 2010	KOJAIAN VENTURES, L.L.C.
	By:  Kojaian Ventures-MM, Inc., its Managing Member
	By	/s/ C. Michael Kojaian
		C. Michael Kojaian, President
Dated:  September 22, 2010	KOJAIAN VENTURES-MM, INC.
	By	/s/ C. Michael Kojaian
		C. Michael Kojaian, President

12

EX-1

EXHIBIT 1

JOINT FILING AGREEMENT

          Pursuant to Rule 13d-1(k) under the Securities Exchange Act of l934, as amended, the undersigned hereby agree to file with the Securities and Exchange Commission this Amendment No. 20 to Schedule 13D (the "Amendment"), with respect to the Common Stock of Grubb & Ellis Company. The undersigned agree that the Amendment will be filed on behalf of each and all of them. Each of the undersigned agrees that he or it is responsible for the accuracy and completeness of the information concerning him or it contained in the Amendment. This agreement may be executed in any number of counterparts, which taken together shall constitute one and the same document.

Dated:  September 22, 2010	/s/ Mike Kojaian
	Mike Kojaian
Dated:  September 22, 2010	/s/ C. Michael Kojaian
	C. Michael Kojaian
Dated:  September 22, 2010	KOJAIAN HOLDINGS LLC
	By:  Kojaian Management Corporation, its Sole Member
	By	/s/ C. Michael Kojaian
		C. Michael Kojaian, its Executive Vice President
Dated:  September 22, 2010	KOJAIAN MANAGEMENT CORPORATION
	By	/s/ C. Michael Kojaian
		C. Michael Kojaian, its Executive Vice President
Dated:  September 22, 2010	KOJAIAN VENTURES, L.L.C.
	By:  Kojaian Ventures-MM, Inc., its Managing Member
	By	/s/ C. Michael Kojaian
		C. Michael Kojaian, President
Dated:  September 22, 2010	KOJAIAN VENTURES-MM, INC.
	By	/s/ C. Michael Kojaian
		C. Michael Kojaian, President