sc13g

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934
(Amendment No. __)

IMRIS INC.

(Name of Issuer)

COMMON SHARES

(Title of Class of Securities)

45322N105

(CUSIP Number)

December 31, 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:

o Rule 13d-1(b)

o Rule 13d-1(c)

þ 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 (“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.		45322n105	SCHEDULE 13 G	Page		2		of		6	pages


1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY): Whitecastle Investments Limited 98-0400898


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
	(a) o
	(b) þ (1)

3	SEC USE ONLY



4	CITIZENSHIP OR PLACE OF ORGANIZATION

	TORONTO, ONTARIO, CANADA

		5	SOLE VOTING POWER

NUMBER OF			2,908,835 COMMON SHARES

SHARES		6	SHARED VOTING POWER
BENEFICIALLY
OWNED BY

EACH		7	SOLE DISPOSITIVE POWER
REPORTING
PERSON			2,908,835 COMMON SHARES

WITH		8	SHARED DISPOSITIVE POWER



9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

	2,908,835 COMMON SHARES

10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)

	o

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

	6.6%

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

	CO

(1) This Schedule 13G is filed by Whitecastle Investments Limited and Carey Diamond. Whitecastle Investments Limited and Carey Diamond expressly disclaim status as a “group” for purposes of this Schedule 13G.

Page 2 of 6 pages


Item 1(a).		Name of Issuer: IMRIS INC.


Item 1(b).		Address of Issuer’s Principal Executive Offices: 100-1370 SONY PLACE, WINNIPEG, MANITOBA, CANADA R3T 1N5


Item 2(a)		Name of Persons Filing: WHITECASTLE INVESTMENTS LIMITED


Item 2(b)		Address of Principal Business Office or, if None, Residence: 22 ST. CLAIR AVENUE EAST SUITE 1010, TORONTO, ON M4T 2S3


Item 2(c)		Citizenship: CANADA


Item 2(d)		Title of Class of Securities: COMMON SHARES


Item 2(e)		CUSIP Number: 45322N105


Item 3.		If this statement is filed pursuant to Rules 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 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 association 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 (15 U.S.C. 80a-3);

	(j)		o A non-U.S. institution in accordance with §240.13d-1(b)(1)(ii)(J);

	(k)		o Group, in accordance with §240.13d-1(b)(1)(ii)(K).

Page 3 of 6 pages

Not applicable


Item 4.		Ownership

	(a)		Amount beneficially owned: 2,908,835 COMMON SHARES

	(b)		Percent of class: 6.6%

	(c)		Number of shares as to which such person has:

	(i)		Sole power to vote or to direct the vote: 2,908,835 COMMON SHARES

	(ii)		Shared power to vote or to direct the vote:

	(iii)		Sole power to dispose or to direct the disposition of: 2,908,835 COMMON SHARES

	(iv)		Shared power to dispose or to direct the disposition of:


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

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.		Certifications

By signing below I certify that, to the best of my 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

Page 4 of 6 pages

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.

Page 5 of 6 pages

SIGNATURE

After reasonable inquiry and to the best of our knowledge and belief, we certify that the information set forth in this statement is true, complete and correct.

Date: February 4, 2011


WHITECASTLE INVESTMENTS LIMITED
By:	/s/ David Strom
	Name:	David Strom
	Title:	Chief Financial Officer

Page 6 of 6 pages