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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
____________________
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No.)*
MARCHEX INC
___________________________________________________________
(Name of Issuer)
COMMON STOCK
___________________________________________________________
(Title of Class of Securities)
56624R108
______________________________
(CUSIP Number)
December 31, 2007
___________________________________________________________
(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)
[ ] 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 disclosures provided in
a prior cover page.
The information required on the remainder of
this 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 13G Page 2 of 6
56624R108 Pages
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1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
(ENTITIES ONLY):
Columbia Wanger Asset Management, L.P.
04-3519872
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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) [ ]
(b) [ ]
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3 SEC USE ONLY
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4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
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1,700,000
5 SOLE VOTING POWER
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH
REPORTING
PERSON WITH
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6 SHARED VOTING POWER
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7 SOLE DISPOSITIVE 1,700,000
POWER
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8 SHARED DISPOSITIVE
POWER
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9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
REPORTING PERSON
1,700,000
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10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES*
[ ]
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11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.79%
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12 TYPE OF REPORTING PERSON*
IA
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Item 1(a). Name of Issuer:
MARCHEX INC
Item 1(b). Address of Issuer's Principal Executive
Offices:
413 PINE STREET
SUITE 500
SEATTLE, WA 98101
Item 2(a). Name of Person Filing:
Columbia Wanger Asset Management, L.P.
Item 2(b). Address of Principal Business Office
or, if None, Residence:
227 West Monroe Street, Suite 3000, Chicago,
IL 60606.
Item 2(c). Citizenship:
Delaware
Item 2(d). Title of Class of Securities:
Common Stock
Item 2(e). CUSIP Number:
56624R108
Item 3. If This Statement is Filed Pursuant to Rule
13d-1(b), or 13d-2(b) or (c), Check Whether
the Person Filing is a:
(a) [ ] Broker or dealer registered under
Section 15 of the Exchange Act.
(b) [ ] Bank as defined in Section 3(a)(6)
of the Exchange Act.
(c) [ ] Insurance company as defined in
Section 3(a)(19) of the Exchange Act.
(d) [ ] Investment company registered
under Section 8 of the Investment
Company Act.
(e) [X] An investment adviser in accordance
with Rule 13d-1(b)(1)(ii)(E).
(f) [ ] An employee benefit plan or
endowment fund in accordance with
Rule 13d-1(b)(1)(ii)(F).
(g) [ ] A parent holding company or
control person in accordance with Rule
13d-1(b)(1)(ii)(G).
(h) [ ] A savings association as defined
in Section 3(b) of the Federal Deposit
Insurance Act.
(i) [ ] A church plan that is excluded
from the definition of an investment
company under Section 3(c)(14) of the
Investment Company Act.
(j) [ ] Group, in accordance with
Rule 13d-1(b)(1)(ii)(J).
If this statement is filed pursuant to
Rule 13d-1(c), check this box. [ ]
Item 4. Ownership:
With respect to the beneficial ownership of
the reporting person, see Items 5 through 11
of the cover pages to this Schedule 13G,
which are 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 [ ].
Item 6. Ownership of More than Five Percent on
Behalf of Another Person:
The shares reported herein include the
shares held by Columbia Acorn Trust (CAT), a
Massachusetts business trust that is advised
by the reporting person. CAT holds 5.79% of
the shares of the Issuer.
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:
By signing below each of the undersigned
certifies that, to the best of such
undersigned's knowledge 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
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.
SIGNATURE
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: January 23, 2008
Columbia Wanger Asset
Management, L.P.
By: /s/ Bruce H. Lauer
_____________________
Bruce H. Lauer,
Senior Vice President
and Secretary,
WAM Acquisition GP,
Inc., General Partner
Exhibit 99.1
EXHIBIT 99.1 - JOINT FILING AGREEMENT
The undersigned hereby agree that they are
filing this statement jointly pursuant to Rule
13d-1(k)(1). Each of them is responsible for the
timely filing of such Schedule 13G and any amendments
thereto, and for the completeness and accuracy of the
information concerning such person contained therein;
but none of them is responsible for the completeness
or accuracy of the information concerning the other
persons making the filing, unless such person knows
or has reason to believe that such information is
inaccurate.
In accordance with Rule 13d-1(k)(1) promulgated
under the Securities and Exchange Act of 1934, as
amended, the undersigned hereby agree to the joint
filing with each other on behalf of each of them of
to such a statement on Schedule 13G with respect to
the common stock of beneficially owned by each of
them. This Joint Filing Agreement shall be included
as an exhibit to such Schedule 13G.
Dated: January 23, 2008
Columbia Wanger Asset
Management, L.P.
By: /s/ Bruce H. Lauer
_____________________
Bruce H. Lauer,
Senior Vice President
and Secretary,
WAM Acquisition GP,
Inc., General Partner
Columbia Acorn Trust
By: /s/ Bruce H. Lauer
_____________________
Bruce H. Lauer,
Vice President,
Treasurer and Secretary