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

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No. _)*

Marlborough Software Development Holdings Inc.
(Name of Issuer)

Common Stock, par value $0.01 per share
(Title of Class of Securities)

571038108
(CUSIP Number)

December 31, 2012
(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)

[X] Rule 13d-1(c)

[ ] 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).

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CUSIP No.  571038108            Schedule 13G                    Page 2 of 12


1 NAMES OF REPORTING PERSONS

        Columbia Pacific Opportunity Fund, L.P.  (1)

IRS Identification No. of Above Person (entities only)
        20-8451143


2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a)   [ ]
(b)   [X]


3 SEC USE ONLY


4 CITIZENSHIP OR PLACE OF ORGANIZATION
        Washington


                5 SOLE VOTING POWER
NUMBER OF               2,156,331  (2)
SHARES
BENEFICIALLY    6 SHARED VOTING POWER
OWNED BY                0
EACH
REPORTING       7 SOLE DISPOSITIVE POWER
PERSON                  2,156,331  (2)
WITH:
                8 SHARED DISPOSITIVE POWER
                        0

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
        2,156,331


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

11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
        19.96%  (3)

12 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
        PN



(1) The filing of this joint Schedule 13G shall not be construed as an admission
that any of the Reporting Persons are, for purposes of Section 13(d) or 13(g) of
the Act, the beneficial owner of any securities covered by the statement.

(2) Columbia Pacific Advisors, LLC has the sole power to vote or direct the vote
of, and to dispose or direct the disposition of, the 2,156,331 shares of Common
Stock to which this Schedule 13G relates.

(3)  Based on 10,801,609 shares of Common Stock outstanding as of November 8,
2012, as reported on the Company's Form 10-Q for the period ended September 30,
2012, as filed on November 14, 2012.

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CUSIP No.  571038108            Schedule 13G                    Page 3 of 12


1 NAMES OF REPORTING PERSONS

        Columbia Pacific Advisors, LLC  (1)

IRS Identification No. of Above Person (entities only)
        20-8051301


2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a)   [ ]
(b)   [X]


3 SEC USE ONLY


4 CITIZENSHIP OR PLACE OF ORGANIZATION
        Washington


                5 SOLE VOTING POWER
NUMBER OF               2,156,331  (2)
SHARES
BENEFICIALLY    6 SHARED VOTING POWER
OWNED BY                0
EACH
REPORTING       7 SOLE DISPOSITIVE POWER
PERSON                  2,156,331  (2)
WITH:
                8 SHARED DISPOSITIVE POWER
                        0

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
        2,156,331


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

11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
        19.96%  (3)

12 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
        IA



(1) The filing of this joint Schedule 13G shall not be construed as an admission
that any of the Reporting Persons are, for purposes of Section 13(d) or 13(g) of
the Act, the beneficial owner of any securities covered by the statement.

(2) Columbia Pacific Advisors, LLC has the sole power to vote or direct the vote
of, and to dispose or direct the disposition of, the 2,156,331 shares of Common
Stock to which this Schedule 13G relates.

(3)  Based on 10,801,609 shares of Common Stock outstanding as of November 8,
2012, as reported on the Company's Form 10-Q for the period ended September 30,
2012, as filed on November 14, 2012.

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CUSIP No.  571038108            Schedule 13G                    Page 4 of 12


1 NAMES OF REPORTING PERSONS

        Alexander B. Washburn  (1)



2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a)   [ ]
(b)   [X]


3 SEC USE ONLY


4 CITIZENSHIP OR PLACE OF ORGANIZATION
        United States of America


                5 SOLE VOTING POWER
NUMBER OF               2,156,331  (2)
SHARES
BENEFICIALLY    6 SHARED VOTING POWER
OWNED BY                0
EACH
REPORTING       7 SOLE DISPOSITIVE POWER
PERSON                  2,156,331  (2)
WITH:
                8 SHARED DISPOSITIVE POWER
                        0

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
        2,156,331


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

11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
        19.96%  (3)


12 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
        IN



(1) The filing of this joint Schedule 13G shall not be construed as an admission
that any of the Reporting Persons are, for purposes of Section 13(d) or 13(g) of
the Act, the beneficial owner of any securities covered by the statement.

(2) Columbia Pacific Advisors, LLC has the sole power to vote or direct the vote
of, and to dispose or direct the disposition of, the 2,156,331 shares of Common
Stock to which this Schedule 13G relates.

(3)  Based on 10,801,609 shares of Common Stock outstanding as of November 8,
2012, as reported on the Company's Form 10-Q for the period ended September 30,
2012, as filed on November 14, 2012.

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CUSIP No.  571038108            Schedule 13G                    Page 5 of 12


1 NAMES OF REPORTING PERSONS

        Daniel R. Baty  (1)


2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a)   [ ]
(b)   [X]


3 SEC USE ONLY


4 CITIZENSHIP OR PLACE OF ORGANIZATION
        United States of America


                5 SOLE VOTING POWER
NUMBER OF               2,156,331  (2)
SHARES
BENEFICIALLY    6 SHARED VOTING POWER
OWNED BY                0
EACH
REPORTING       7 SOLE DISPOSITIVE POWER
PERSON                  2,156,331  (2)
WITH:
                8 SHARED DISPOSITIVE POWER
                        0

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
        2,156,331


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

11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
        19.96%  (3)


12 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
        IN



(1) The filing of this joint Schedule 13G shall not be construed as an admission
that any of the Reporting Persons are, for purposes of Section 13(d) or 13(g) of
the Act, the beneficial owner of any securities covered by the statement.

(2) Columbia Pacific Advisors, LLC has the sole power to vote or direct the vote
of, and to dispose or direct the disposition of, the 2,156,331 shares of Common
Stock to which this Schedule 13G relates.

(3)  Based on 10,801,609 shares of Common Stock outstanding as of November 8,
2012, as reported on the Company's Form 10-Q for the period ended September 30,
2012, as filed on November 14, 2012.

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CUSIP No.  571038108            Schedule 13G                    Page 6 of 12


1 NAMES OF REPORTING PERSONS

        Stanley L. Baty  (1)



2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a)   [ ]
(b)   [X]


3 SEC USE ONLY


4 CITIZENSHIP OR PLACE OF ORGANIZATION
        United States of America


                5 SOLE VOTING POWER
NUMBER OF               2,156,331  (2)
SHARES
BENEFICIALLY    6 SHARED VOTING POWER
OWNED BY                0
EACH
REPORTING       7 SOLE DISPOSITIVE POWER
PERSON                  2,156,331  (2)
WITH:
                8 SHARED DISPOSITIVE POWER
                        0

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
        2,156,331


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

11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
        19.96%  (3)


12 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
        IN



(1) The filing of this joint Schedule 13G shall not be construed as an admission
that any of the Reporting Persons are, for purposes of Section 13(d) or 13(g) of
the Act, the beneficial owner of any securities covered by the statement.

(2) Columbia Pacific Advisors, LLC has the sole power to vote or direct the vote
of, and to dispose or direct the disposition of, the 2,156,331 shares of Common
Stock to which this Schedule 13G relates.

(3)  Based on 10,801,609 shares of Common Stock outstanding as of November 8,
2012, as reported on the Company's Form 10-Q for the period ended September 30,
2012, as filed on November 14, 2012.

--------------------------------------------------------------------------------

CUSIP No.  571038108            Schedule 13G                    Page 7 of 12


1 NAMES OF REPORTING PERSONS

        Brandon D. Baty  (1)



2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a)   [ ]
(b)   [X]


3 SEC USE ONLY


4 CITIZENSHIP OR PLACE OF ORGANIZATION
        United States of America


                5 SOLE VOTING POWER
NUMBER OF               2,156,331  (2)
SHARES
BENEFICIALLY    6 SHARED VOTING POWER
OWNED BY                0
EACH
REPORTING       7 SOLE DISPOSITIVE POWER
PERSON                  2,156,331  (2)
WITH:
                8 SHARED DISPOSITIVE POWER
                        0

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
        2,156,331


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

11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
        19.96%  (3)


12 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
        IN



(1) The filing of this joint Schedule 13G shall not be construed as an admission
that any of the Reporting Persons are, for purposes of Section 13(d) or 13(g) of
the Act, the beneficial owner of any securities covered by the statement.

(2) Columbia Pacific Advisors, LLC has the sole power to vote or direct the vote
of, and to dispose or direct the disposition of, the 2,156,331 shares of Common
Stock to which this Schedule 13G relates.

(3)  Based on 10,801,609 shares of Common Stock outstanding as of November 8,
2012, as reported on the Company's Form 10-Q for the period ended September 30,
2012, as filed on November 14, 2012.

--------------------------------------------------------------------------------
CUSIP No.  571038108            Schedule 13G                    Page 8 of 12


Item 1.
   (a)  Name of Issuer:

        Marlborough Software Development Holdings Inc. (the "Company")

   (b)  Address of Issuer's Principal Executive Offices:

        500 Nickerson Road, Marlborough, Massachusetts  01752-4695


Item 2.
   (a)  Name of Person Filing:

        This Schedule 13G is being filed by Columbia Pacific Opportunity Fund,
        L.P., a Washington limited partnership (the "Fund"), Columbia Pacific
        Advisors LLC, a Washington limited liability company (the "Adviser"),
        Alexander B. Washburn, Daniel R. Baty, Stanley L. Baty and Brandon D.
        Baty (each a "Reporting Person" & collectively the "Reporting Persons").

   (b)  Address of Principal Business Office or, if none, Residence: Same

        The business address of the Reporting Persons is:
        1910 Fairview Avenue East Suite 200, Seattle, WA 98102-3620.

   (c)  Citizenship:

        The Fund is a Washington limited partnership; the Adviser is a
        Washington limited liability company; Alexander B. Washburn, Daniel R.
        Baty, Stanley L. Baty, and Brandon D. Baty are U.S. citizens.

   (d)  Title of Class of Securities:
        Shares of Common Stock, par value $0.01 per share (the "Common Stock")

   (e)  CUSIP Number:
        571038108


Item 3. If this statement is filed pursuant to Sections 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).

(c) [ ] Insurance company as defined in section 3(a)(19) 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 Section 240.13d-1(b)(1)(ii)(E);
        (for Columbia Pacific Advisors, LLC only)

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

(g) [X] A parent holding company or control person in accordance with Section
        240.13d-1(b)(1)(ii)(G)      (for Alexander B. Washburn,
        Daniel R. Baty, Stanley L. Baty and Brandon D. Baty only).
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CUSIP No.  571038108            Schedule 13G                    Page 9 of 12

(h) [ ] A savings associations 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) [ ] A non-U.S. institution in accordance with Section 240.13d-1(b)(1)(ii)(J)

(k) [ ] Group, in accordance with Section 240.13d-1(b)(1)(ii)(K). If filing as a
        non-U.S. institution in accordance with Section 240.13d-1(b)(1)(ii)(J),
        please specify the type of institution



Item 4. Ownership.

      As of the date hereof, the Reporting Persons may be deemed to beneficially
own an aggregate of 2,156,331 shares of Common Stock, which constitutes 19.96%
of the total number of shares of Common Stock outstanding as of November 8, 2012
as reported in the Company's Form 10-Q for the period ended September 30, 2012.

      The Adviser has the sole power to vote or direct the vote of, and to
dispose or direct the disposition of, the 2,156,331 shares of Common Stock to
which this filing relates.  See also Items 5 through 8 of the cover pages to
this Schedule 13G with respect to this Item 4.  Mr. Washburn, Mr. D. Baty,
Mr. S. Baty and Mr. B. Baty serve as the managing members of the Adviser, which
is primarily responsible for all investment decisions regarding the Fund's
investment portfolio.  The shares of Common Stock reported herein are held in
the portfolio of the Fund.  Each of the Reporting Persons disclaims beneficial
ownership over the securities reported herein except to the extent of such
Reporting Persons' pecuniary interest therein.

      Neither the present filing nor anything contained herein shall be
construed as an admission that the Reporting Persons constitute a "group" for
any purpose and the Reporting Persons expressly disclaim membership in a group.



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 [ ].

     Instruction: Dissolution of a group requires a response to this item.



Item 6. Ownership of More than Five Percent on Behalf of Another Person.

     Each person for whom the Adviser acts as investment adviser has the right
to receive or the power to direct the receipt of dividends from, or the proceeds
from the sale of, the shares of Common Stock purchased or held pursuant to such
arrangements.




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CUSIP No.  571038108            Schedule 13G                    Page 10 of 12


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


Item 10. Certification

     By signing below the undersigned certify that, to the best of their know-
ledge and belief, the securities referred to above were acquired and are held
in the ordinary course of business and were not acquired and are not held for
the purpose of or with the effect of changing or 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.






























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CUSIP No.  571038108            Schedule 13G                    Page 11 of 12



                                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:  February 14, 2013       COLUMBIA PACIFIC OPPORTUNITY FUND, L.P.

                                /s/ Alexander B. Washburn
                        By:     Alexander B. Washburn
                        Title:  Managing Member of Columbia Pacific Advisors,
                                LLC, its general partner


Dated:  February 14, 2013       COLUMBIA PACIFIC ADVISORS, LLC

                                /s/ Alexander B. Washburn
                        By:     Alexander B. Washburn
                        Title:  Managing Member



Dated:  February 14, 2013       /s/ Alexander B. Washburn
                                Alexander B. Washburn


Dated:  February 14, 2013       /s/ Daniel R. Baty
                                Daniel R. Baty

Dated:  February 14, 2013       /s/ Stanley L. Baty
                                Stanley L. Baty


Dated:  February 14, 2013       /s/ Brandon D. Baty
                                Brandon D. Baty

















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CUSIP No.  571038108            Schedule 13G                    Page 12 of 12



                           JOINT FILING AGREEMENT


We, the signatories of the statement to which this Joint Filing Agreement is
attached, hereby agree that such statement is filed, and any amendments thereto
filed by any or all of us will be filed on behalf of each of us.



                        February 14, 2013
                            (Date)



                        Columbia Pacific Opportunity Fund, L.P.


                        /s/ Alexander B. Washburn
                By:     Alexander B. Washburn
                Title:  Managing Member of Columbia Pacific Advisors, LLC, its general partner


                        Columbia Pacific Advisors, LLC


                        /s/ Alexander B. Washburn
                By:     Alexander B. Washburn
                Title:  Managing Member



                        /s/ Alexander B. Washburn
                        Alexander B. Washburn



                        /s/ Daniel R. Baty
                        Daniel R. Baty



                        /s/ Stanley L. Baty
                        Stanley L. Baty



                        /s/ Brandon D. Baty
                        Brandon D. Baty

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