SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. -----------) Martin Marietta Materials - ------------------------------------------------------------------------ (Name of Issuer) Common - ------------------------------------------------------------------------ (Title of Class of Securities) 573284106 - ------------------------------------------------------------------------ (CUSIP Number) Check the following box if a fee is being paid with this statement /_/. (A fee is not required only if the filing person: (1) has a previous statement on file reporting beneficial ownership of more than five percent of the class of securities described in item 1; and (2) has filed no amendment subsequent thereto reporting beneficial ownership of five percent or less of such class.) (See Rule 13d-7). *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 previsions of the Act (however, see the Notes) CUSIP NO. 573284106 13G Page 1 of 1 Pages --------- - - 1. NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Davis Selected Advisers, L.P. 85-036-0310 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) /X/ (b) /_/ 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION Colorado Limited Partnership NUMBER OF 5. SOLE VOTING POWER SHARES 2,950,200 BENEFICIALLY OWNED BY EACH 6. SHARED VOTING POWER REPORTING -0- PERSON WITH 7. SOLE DISPOSITIVE POWER 2,950,200 8. SHARED DISPOSITIVE POWER -0- 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 862,700 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 6.4% 12. TYPE OF REPORTING PERSON* IA Investment Advisor SCHEDULE 13 G DAVIS SELECTED ADVISERS. L.P. ----------------------------- UNDER THE SECURITIES EXCHANGE ACT OF 1934 Item 1 (a) NAME OF ISSUER -------------- Martin Marietta Materials Item 1(b) ADDRESS OF ISSUERS PRINCIPAL EXECUTIVE OFFICES ---------------------------------------------- Martin Marietta Materials 2710 Wycliff Road Raleigh, NC 27607 Item 2(a) NAME OF PERSON FILING --------------------- Davis Selected Advisers, LP for Selected American Shares Davis New York Venture Fund Davis Financial Fund Baltimore Gas & Electric Pension Plan Central & SW Systems McKeesport Healthcare Mt. Sinai Healthcare Flounation New York Value Fund Sun America Polaris Style Select Value- Davis Temple Firemen's Pension Fund VIA Metropolitan Financial New England Zenith Item 2 (b) ADDRESS OF PRINCIPAL BUSINESS OFFICE ------------------------------------ P.O. Box 1688 124 East March Street Santa Fe, NM 87501 Item 2(c) CITIZENSHIP ----------- Colorado Limited Parnership Item 2(d) TITLE OF CLASS OF SECURITIES ---------------------------- COMMON Item 2(e) CUSIP NUMBER ------------ 573284106 Item 3 FIELD PURSUANT TO RULE 13D-1 (b) -------------------------------- (e) (X) Investment Adviser registered under Section 203 of the Investment Advisers Act of 1940 Item 4 OWNERSHIP --------- (a) Amount beneficially owned 2,950,200 Selected American Shares 700,600 Davis New York Venture Fund 1,755,600 Davis Financial Fund 75,000 Baltimore Gas & Electric Pension Plan 20,500 Central & SW Systems 32,800 McKeesport Hospital 7,100 Mt. Sinai Hospital 3,800 New York Value Fund 24,000 SunAmerica Polaris 265,600 Style Select 3,100 Temple Firemen's Pension Fund 1,400 VIA Metro 6,500 New England Zenith 53,800 (b) Percent of class 6.4% Selected American Shares 1.5% Davis New York Venture Fund 3.8% Davis Financial Fund .2% Baltimore Gas & Electric .0% Central & Southwest .1% McKeesport Hospital .0% Mt. Sinai Hospital .0% New York Value Fund .1% SunAmerica Polaris .6% Style Select .0% Temple Firemen's Pension Fund .0% VIA Metro .0% New England Zenith .1% (c) Number of shares as to which such person has: (I) sole power to vore or to direct the vote Davis Selected Advisers, L.P. 2,950,200 (ii) shared power to vote to direct the vote N/A (iii) sole power to dispose or to direct the disposition of Davis Selected Advisers, L.P. 2,950,200 (iv) shared power to dispose or to direct the dispostion of N/A Item 5 Not applicable -------------- Item 6 Not Applicable -------------- Item 7 Not Applicable -------------- Item 8 Not Applicabale --------------- Itme 9 Not Applicable -------------- Itme 10 CERTICICATION ------------- By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired in the ordinary course of business and were not acquired for the purpose of and do not have 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 transactio haveing such purposes or effect. SIGNATURE --------- After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statemtn is true, complete and correct. January 29, 1997 (Date) - ------------------------------------- (Signature) Carl R. Luff President