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Proc-Type: 2001,MIC-CLEAR
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<SEC-DOCUMENT>0000909012-08-001282.txt : 20081210
<SEC-HEADER>0000909012-08-001282.hdr.sgml : 20081210
<ACCEPTANCE-DATETIME>20081210142242
ACCESSION NUMBER:		0000909012-08-001282
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20081210
DATE AS OF CHANGE:		20081210

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MARTEN TRANSPORT LTD
		CENTRAL INDEX KEY:			0000799167
		STANDARD INDUSTRIAL CLASSIFICATION:	TRUCKING (NO LOCAL) [4213]
		IRS NUMBER:				391140809
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-38210
		FILM NUMBER:		081240706

	BUSINESS ADDRESS:	
		STREET 1:		129 MARTEN ST
		CITY:			MONDOVI
		STATE:			WI
		ZIP:			54755
		BUSINESS PHONE:		7159264216

	MAIL ADDRESS:	
		STREET 1:		3400 PLAZA VII
		STREET 2:		45 SOUTH SEVENTH ST
		CITY:			MINNEAPOLIS
		STATE:			MN
		ZIP:			55402

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NWQ INVESTMENT MANAGEMENT CO LLC
		CENTRAL INDEX KEY:			0000763848
		IRS NUMBER:				470875103
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		2049 CENTURY PARK EAST
		STREET 2:		18TH FLOOR
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90067
		BUSINESS PHONE:		(310) 552-5114

	MAIL ADDRESS:	
		STREET 1:		2049 CENTURY PARK EAST
		STREET 2:		18TH FLOOR
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90067

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NWQ INVESTMENT MANAGEMENT CO /CA/
		DATE OF NAME CHANGE:	19990407
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>t304791.txt
<DESCRIPTION>MARTEN
<TEXT>

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

                                 SCHEDULE 13G/A

                    UNDER THE SECURITIES EXCHANGE ACT OF 1934
                               (AMENDMENT NO. 4)*


                              Marten Transport LTD
                                (Name of Issuer)

                                     Common
                         (Title of Class of Securities)

                                    573075108
                                 (CUSIP Number)

                                November 28, 2008
             (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 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).

                                PAGE 1 OF 4 PAGES
<PAGE>
- --------------------------------------------------------------------------------
 1     NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

       NWQ Investment Management Company, LLC     47-0875103
- --------------------------------------------------------------------------------
 2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                 (a) [_]
                                                                         (b) [_]
- --------------------------------------------------------------------------------
 3     SEC USE ONLY

- --------------------------------------------------------------------------------
 4    CITIZENSHIP OR PLACE OF ORGANIZATION

       Delaware - U.S.A.
- --------------------------------------------------------------------------------
                     5      SOLE VOTING POWER

                          912,255
      NUMBER OF      ___________________________________________________________
        SHARES       6      SHARED VOTING POWER
     BENEFICIALLY
       OWNED BY             0
         EACH        ___________________________________________________________
      REPORTING      7      SOLE DISPOSITIVE POWER
       PERSON
         WITH               1,087,080
                     -----------------------------------------------------------
                     8      SHARED DISPOSITIVE POWER

                            0
- --------------------------------------------------------------------------------
 9     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
          1,087,080

- --------------------------------------------------------------------------------
10     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
       N/A
- --------------------------------------------------------------------------------
11     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
       4.98%
- --------------------------------------------------------------------------------
12     TYPE OF REPORTING PERSON*
       IA
- --------------------------------------------------------------------------------

                               Page 2 of 4 pages
<PAGE>

              Item 1(a) Name of Issuer:
                        Marten Transport, LTD

              Item 1(b) Address of Issuer's Principal Executive Offices:
                        129 Marten Street
                        Mondovi, WI 54755
                        United States

              Item 2(a) Name of Person Filing:
                        NWQ Investment Management Company, LLC

              Item 2(b) Address of the Principal Office or, if none, Residence:
                        2049 Century Park East, 16th Floor
                        Los Angeles, CA 90067

              Item 2(c) Citizenship:
                        Delaware - U.S.A.

              Item 2(d) Title of Class of Securities:
                        Common

              Item 2(e) CUSIP Number:
                        573075108

              Item 3    If the Statement is being filed pursuant to Rule
                        13d-1(b), or 13d-2(b), check whether the person filing
                        is a:

                        (e) [X] An investment advisor in accordance with
                            section 240.13d-1(b)(1)(ii)(E)

  Item 4    Ownership:
            (a) Amount Beneficially Owned:
                1,087,080
            (b) Percent of Class:
                4.98%
            (c) Number of shares as to which such person has:

             (i)            sole power to vote or direct the vote: 912,255

             (ii)  shared power to vote or direct the vote: 0
             (iii) sole power to dispose or to direct the disposition of:
                   1,087,080
             (iv)  shared power to dispose or to direct the disposition of: 0
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 [ X ].

                               Page 3 OF 4 Pages
<PAGE>

  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:
            Not applicable.

  Item 8 Identification and Classification of Members of the Group:
            Not applicable.

  Item 9 Notice of Dissolution of a Group:
            Not applicable.

  Item 10   Certification:
         By signing below I certify that, to the best of my 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
         held for the purpose of or with the effect of changing or
         influencing the control of the issuer of such securities and were
         not acquired in connection with or as a participant in any
         transaction having such purpose or effect.

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: December 10, 2008

                                 NWQ Investment Management Company, LLC
                                 By:   /S/ Jon D. Bosse
                                 -------------------------------------
                                 Jon D. Bosse, CFA
                                 Title: Chief Investment Officer



                               PAGE 4 OF 4 PAGES

</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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