Unassociated Document

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

GenMark Diagnostics, Inc (GNMK)

(Name of Issuer)

COMMON STOCK

(Title of Class of Securities)

372309104

----------

(CUSIP Number)

06, 03, 2010

(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)

o Rule 13d-1(c)

o 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 disclosures provided in a prior cover page.

The information required on 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. 372309104

1)	Names of Reporting Persons. I.R.S. Identification Nos. of Above Persons (entities only)

Gartmore Group Limited

2)	Check the Appropriate Box if a Member of a Group	(a) o
	(See Instructions)	(b) x

3)	SEC Use Only

4)	Citizenship or Place of Organization

Cayman Islands

Number of Shares	5)	Sole Voting Power	0
Beneficially
Owned by Each	6)	Shared Voting Power	1,324,262
Reporting
Person With	7)	Sole Dispositive Power	0

	8)	Shared Dispositive Power	1,324,262

9)	Aggregate Amount Beneficially Owned by Each Reporting Person

1,324,262

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

11)	Percent of Class Represented by Amount in Item 9

11.295%

12)	Type of Reporting Person (See Instructions)

CUSIP No. 372309104

1)	Names of Reporting Persons. I.R.S. Identification Nos. of Above Persons (entities only)

Gartmore Investment Limited

2)	Check the Appropriate Box if a Member of a Group	(a) o
	(See Instructions)	(b) x

3)	SEC Use Only

4)	Citizenship or Place of Organization

United Kingdom

Number of Shares	5)	Sole Voting Power	1,324,262
Beneficially
Owned by Each	6)	Shared Voting Power	0
Reporting
Person With	7)	Sole Dispositive Power	1,324,262

	8)	Shared Dispositive Power	0

9)	Aggregate Amount Beneficially Owned by Each Reporting Person

1,324,262

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

11)	Percent of Class Represented by Amount in Item 9

11.295%

12)	Type of Reporting Person (See Instructions)

ITEM 1.

(A) NAME OF ISSUER GenMark Diagnostics, Inc

(B) ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICE

GenMark Diagnostics, Inc.

757 S. Raymond Ave

Pasadena, CA 91105

ITEM 2.

(A) NAME OF PERSONS FILING

(i)Gartmore Group Limited

(ii)Gartmore Investment Limited

(B) ADDRESS OF PRINCIPAL BUSINESS OFFICE OR IF NONE, RESIDENCE

(i)Gartmore Group Limited

Walker House

87 Mary Street

George Town

Grand Cayman KYI-9005

Cayman Islands

(ii)Gartmore Investment Limited

Gartmore House

8 Fenchurch Place

London

United Kingdom

EC3M 4PB

(i)Gartmore Group Limited: Cayman Islands

(ii)Gartmore Investment Limited: United Kingdom

(D) TITLE OF CLASS OF SECURITIES

Common Stock

(E) CUSIP NUMBER

372309104

ITEM 3.

If this statement is filed pursuant to rule 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).

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

(e) _x__ An investment adviser in accordance with 240.13d- 1(b)(1)(ii)(E).

(f) ___ An employee benefit plan or endowment fund in accordance with 240.13d-1(b)(1)(ii)(F).

(g) _x__ A parent holding company or control person in accordance with 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 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:

(i) Gartmore Group Limited:

1,324,262