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

SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. 12)*

Martin Marietta Materials, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

573284106

(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:

[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).


-----------------------
 CUSIP No. 573284106 13G
-----------------------

------------------------------------------------------------------------------
 1. Name of Reporting Person
 I.R.S. Identification No. of above Person

 Davis Selected Advisers, L.P. 85-0360310

------------------------------------------------------------------------------
 2. Check the Appropriate Box if a Member of a Group
 (a) [_]
 (b) [X]

------------------------------------------------------------------------------
 3. SEC Use Only


------------------------------------------------------------------------------
 4. Citizenship or Place of Organization

 Colorado Limited Partnership

------------------------------------------------------------------------------
 5. Sole Voting Power

 Number of 5,820,890 shares

 Shares ----------------------------------------------------------
 6. Shared or No Voting Power
 Beneficially 0 (Shared)
 326,505 (No Vote)
 Owned by
 ----------------------------------------------------------
 Each 7. Sole Dispositive Power

 Reporting 6,147,395 shares

 Person ----------------------------------------------------------
 8. Shared Dispositive Power
 With:
 0

------------------------------------------------------------------------------
 9. Aggregate Amount Beneficially Owned by Each Reporting Person

 6,147,395 shares

------------------------------------------------------------------------------
10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares

 [_]
 n/a
------------------------------------------------------------------------------
11. Percent of Class Represented by Amount in Row (9)

 13.50%

------------------------------------------------------------------------------
12. Type of Reporting Person

 IA
-------------------------------------------------------------------------------
-----------------------
 CUSIP No. 573284106
-----------------------

------------------------------------------------------------------------------
 1. Name of Reporting Person
 I.R.S. Identification No. of above Person

 Davis New York Venture Fund 13-2601967

------------------------------------------------------------------------------
 2. Check the Appropriate Box if a Member of a Group
 (a) [_]
 (b) [X]

------------------------------------------------------------------------------
 3. SEC Use Only


------------------------------------------------------------------------------
 4. Citizenship or Place of Organization

 Maryland Corporationp

------------------------------------------------------------------------------
 5. Sole Voting Power

 Number of 0

 Shares ----------------------------------------------------------
 6. Shared Voting Power
 Beneficially
 4,009,093 shares
 Owned by
 ----------------------------------------------------------
 Each 7. Sole Dispositive Power

 Reporting 0

 Person ----------------------------------------------------------
 8. Shared Dispositive Power
 With:
 4,009,093 shares

------------------------------------------------------------------------------
 9. Aggregate Amount Beneficially Owned by Each Reporting Person

 4,009,093 shares

------------------------------------------------------------------------------
10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares

 [_]
 n/a
------------------------------------------------------------------------------
11. Percent of Class Represented by Amount in Row (9)

 8.81%

------------------------------------------------------------------------------
12. Type of Reporting Person

 IV
-------------------------------------------------------------------------------

Item 1(a). Name of Issuer:
 Martin Marietta Materials, Inc.

Item 1(b). Address of Issuer's Principal Executive Offices:
 2710 WYCLIFF RD
 RALEIGH, NC 27607

Item 2(a) and (b). Names and Principal Business Addresses of Persons Filing:

 (1) Davis Selected Advisers, L.P.
 2949 East Elvira Road, Suite 101
 Tucson, Arizona 85756

 (2) Davis New York Venture Fund
 c/o Davis Selected Advisers, L.P.
 2949 East Elvira Road, Suite 101
 Tucson, Arizona 85756

Item 2(c). Citizenship:

 Davis Selected Advisers, L.P. - Colorado Limited Partnership

 Davis New York Venture Fund - Maryland Corporation

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

Item 2(e). CUSIP Number:
 573284106

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 :

(d) Investment Company registered under Sec. 8 of the Investment
 Company Act - Davis New York Venture Fund a series of Davis
 New York Venture Fund, Inc.

(e) Investment Adviser registered under Section 203 of the Investment
 Advisers Act of 1940. This statement is being filed by Davis
 Selected Advisers, L.P. as a registered investment adviser.
 All of the securities covered by this report are owned legally
 by Davis Selected Advisers investment advisory clients and none
 are owned directly or indirectly by Davis Selected Advisers.
 As permitted by Rule 13d-4, the filing of this statement shall
 not be construed as an admission that Davis Selected Advisers, L.P.
 is the beneficial owner of any of the securities covered by this
 statement.



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

Item 4. Ownership.

(a). Amount beneficially owned:
 6,147,395 shares

(b). Percent of Class:
 13.5%

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

(i). Sole power to vote or to direct the vote:
 5,820,890 shares

(ii). Shared or no power to vote or to direct the vote:
 No Power to Vote - 326,505 shares

(iii). Sole power to dispose or to direct the disposition of:
 6,147,395 shares
(iv). Shared power to dispose or to direct the disposition of:
 0 shares

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.
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 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 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.

 Davis Selected Advisers, L.P.

 BY /s/ Sharra Haynes

 PRINT Sharra Haynes
 Chief Compliance Officer/Vice President


 DATE February 14, 2011

Joint Filing Agreement

In accordance with Rule 13d-1(k) under the Securities Exchange Act
of 1934, the persons or entities named below agree to the joint
filing on behalf of each of them of this Schedule 13G with respect
to the Securities of the Issuer and further agree that this joint
filing agreement be included as an exhibit to this Schedule 13G. In
evidence thereof, the undersigned hereby execute this Agreement as
of February 11, 2011.


 Davis Selected Advisers, L.P.

 BY /s/ Sharra Haynes

 PRINT Sharra Haynes
 Chief Compliance Officer/Vice President


 DATE February 14, 2011


 Davis New York Venture Fund

 BY /s/ Thomas Tays

 PRINT Thomas Tays
 Vice President


 DATE February 14, 2011

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