Martin Marietta Materials Inc

MLM

Exchange: NYSE
Industry: Mining & Quarrying of Nonmetallic Minerals (No Fuels)
SEC CIK: 0000916076

SEC filings (opens in a new tab)

No open-market purchases or sales by Martin Marietta Materials Inc insiders were filed in the last 90 days; 1,079 institutions reported holding it in 13F filings for Q2 2026, worth $34.2B in total; 4 superinvestors hold it, including TCI Fund Management and Gardner Russo & Quinn.

13F holders, Q3 2023

Institutional positions in Martin Marietta Materials Inc as of Sep 30, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders: 815; +24 vs. Q2 2023
Shares held: 58.7M; +50.6K (+0.1%) vs. Q2 2023
Total value: $24.1B; −$2.80B (−10.4%) vs. Q2 2023
New holders: 94; 276 more added
Sold out: 70; 290 more reduced

13 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MLM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2023: 815 institutions

Value heldQ3 2023: $24.1B

Institutions holding MLM and their total value by quarter
Quarter	Holders	Value
Q2 2026	1,079	$34.2B
Q1 2026	1,077	$34.3B
Q4 2025	1,117	$37.1B
Q3 2025	1,053	$36.7B
Q2 2025	999	$32.8B
Q1 2025	953	$28.5B
Q4 2024	992	$30.5B
Q3 2024	948	$32.4B
Q2 2024	940	$32.3B
Q1 2024	957	$36.4B
Q4 2023	889	$29.3B
Q3 2023	815	$24.1B
Q2 2023	804	$27.0B
Q1 2023	746	$20.7B
Q4 2022	768	$19.7B
Q3 2022	736	$18.8B
Q2 2022	728	$17.5B
Q1 2022	763	$22.7B
Q4 2021	775	$25.6B
Q3 2021	700	$19.7B
Q2 2021	696	$20.3B
Q1 2021	692	$19.4B

Institutions, Q3 2023

Shares, value and share of portfolio for each institution holding Martin Marietta Materials Inc; share changes are against Q2 2023.

Institutions holding MLM in Q3 2023
Institution	Shares	Value	% of portfolio	Change in shares	Action
Asset Dedication, LLC	1	$0	0.00%	00.0%	Unchanged
Zions Bancorporation, N.A.	1	$410	0.00%	00.0%	Unchanged
Perkins Coie Trust Co	1	$410	0.00%	+1	New
Impact Partnership Wealth, LLC	1	$410	0.00%	+1	New
True Wealth Design, LLC	1	$411	0.00%	00.0%	Unchanged
Cherry Tree Wealth Management, LLC	1	$411	0.00%	00.0%	Unchanged
DHJJ Financial Advisors, Ltd.	1	$411	0.00%	+1	New
Financial Synergies Wealth Advisors, Inc.	2	$821	0.00%	00.0%	Unchanged
North Star Investment Management Corp.	2	$821	0.00%	00.0%	Unchanged
Highline Wealth Partners LLC	2	$821	0.00%	00.0%	Unchanged
Capital Advisors, Ltd. LLC	3	$1.00K	0.00%	00.0%	Unchanged
TFC Financial Management	3	$1.23K	0.00%	00.0%	Unchanged
Bellevue Asset Management, LLC	4	$1.64K	0.00%	00.0%	Unchanged
Glass Jacobson Investment Advisors llc	4	$1.64K	0.00%	00.0%	Unchanged
Cambridge Trust Co	4	$1.64K	0.00%	+4	New
TSFG, LLC	4	$2.00K	0.00%	00.0%	Unchanged
Avion Wealth	6	$2.00K	0.00%	+5+500.0%	Added
Tobam	4	$2.00K	0.00%	+4	New
Washington Trust Co	5	$2.05K	0.00%	00.0%	Unchanged
Livforsakringsbolaget Skandia, Omsesidigt	6	$2.46K	0.00%	00.0%	Unchanged
Headinvest, LLC	7	$2.84K	0.00%	+7	New
C M Bidwell & Associates Ltd	7	$2.87K	0.00%	00.0%	Unchanged
Bell Investment Advisors, Inc	8	$3.28K	0.00%	−3−27.3%	Reduced
SJS Investment Consulting Inc.	8	$3.28K	0.00%	+1+14.3%	Added
Jones Financial Companies LLLP	9	$3.69K	0.00%	+9	New
Abound Wealth Management	9	$3.69K	0.00%	00.0%	Unchanged
Kayne Anderson Rudnick Investment Management LLC	10	$4.11K	0.00%	00.0%	Unchanged
LGT Financial Advisors LLC	10	$4.11K	0.01%	+10	New
HighMark Wealth Management LLC	11	$4.51K	0.00%	00.0%	Unchanged
SkyView Investment Advisors, LLC	11	$5.00K	0.00%	−1−8.3%	Reduced
Red Tortoise LLC	13	$5.34K	0.00%	00.0%	Unchanged
1832 Asset Management L.P.	13	$5.34K	0.00%	+13	New
Pflug Koory, LLC	15	$6.16K	0.00%	00.0%	Unchanged
Carmel Capital Partners, LLC	15	$6.16K	0.00%	+15	New
Prestige Wealth Management Group LLC	15	$6.16K	0.00%	−790−98.1%	Reduced
Loomis Sayles & Co L P	17	$7.00K	0.00%	+17	New
Steward Financial Group LLC	18	$7.00K	0.00%	+18	New
AdvisorNet Financial, Inc	18	$7.39K	0.00%	−295−94.2%	Reduced
Gradient Investments LLC	18	$7.39K	0.00%	00.0%	Unchanged
Creative Capital Management Investments LLC	18	$7.39K	0.01%	00.0%	Unchanged
Kathleen S. Wright Associates Inc.	19	$7.80K	0.00%	00.0%	Unchanged
Sutton Wealth Advisors Inc.	19	$7.80K	0.00%	+11+137.5%	Added
Crewe Advisors LLC	19	$7.80K	0.00%	−11−36.7%	Reduced
Carolina Wealth Advisors, LLC	20	$8.21K	0.00%	00.0%	Unchanged
CNB Bank	20	$8.21K	0.00%	00.0%	Unchanged
Sittner & Nelson, LLC	20	$8.21K	0.00%	00.0%	Unchanged
Delta Asset Management LLC	21	$8.62K	0.00%	00.0%	Unchanged
Blue Bell Private Wealth Management, LLC	23	$9.44K	0.00%	00.0%	Unchanged
Archer Investment Corp	24	$9.85K	0.00%	00.0%	Unchanged
WR Wealth Planners, LLC	24	$9.85K	0.00%	00.0%	Unchanged
Beacon Capital Management, LLC	22	$10.2K	0.00%	00.0%	Unchanged
Carolinas Wealth Consulting LLC	26	$10.6K	0.00%	−4−13.3%	Reduced
Solstein Capital, LLC	26	$10.7K	0.01%	00.0%	Unchanged
JFS Wealth Advisors, LLC	26	$10.7K	0.00%	+2+8.3%	Added
Johnson Midwest Financial, LLC	26	$10.8K	0.02%	00.0%	Unchanged
Benjamin F. Edwards & Company, Inc.	28	$11.0K	0.00%	00.0%	Unchanged
Credential Qtrade Securities Inc.	27	$11.1K	0.00%	00.0%	Unchanged
Creative Financial Designs Inc	27	$11.1K	0.00%	+9+50.0%	Added
Hollencrest Capital Management	29	$11.9K	0.00%	00.0%	Unchanged
Bourgeon Capital Management LLC	30	$12.3K	0.00%	00.0%	Unchanged
Harbour Investments, Inc.	30	$12.4K	0.00%	−11−26.8%	Reduced
Earnest Partners LLC	31	$12.7K	0.00%	00.0%	Unchanged
GW&K Investment Management, LLC	31	$13.0K	0.00%	+29+1,450.0%	Added
Cornerstone Planning Group LLC	32	$13.1K	0.01%	+9+39.1%	Added
Salomon & Ludwin, LLC	32	$13.1K	0.00%	+32	New
Benjamin Edwards Inc	33	$14.0K	0.00%	+21+175.0%	Added
Chesapeake Asset Management LLC	35	$14.4K	0.01%	00.0%	Unchanged
Oliver Lagore Vanvalin Investment Group	35	$14.4K	0.01%	−11−23.9%	Reduced
First Personal Financial Services	40	$16.4K	0.00%	−3−7.0%	Reduced
Quent Capital, LLC	41	$16.8K	0.00%	+2+5.1%	Added
Whittier Trust Co of Nevada Inc	43	$17.6K	0.00%	00.0%	Unchanged
Farmers & Merchants Investments Inc	43	$17.7K	0.00%	00.0%	Unchanged
Riverview Trust Co	43	$17.7K	0.02%	00.0%	Unchanged
Lee Financial Co	45	$18.5K	0.00%	00.0%	Unchanged
United Community Bank	50	$20.5K	0.01%	+50	New
Venturi Wealth Management, LLC	51	$20.9K	0.00%	+4+8.5%	Added
Proequities, Inc.	52	$21.3K	0.00%	−4−7.1%	Reduced
Nelson, Van Denburg & Campbell Wealth Management Group, LLC	52	$21.3K	0.00%	00.0%	Unchanged
EverSource Wealth Advisors, LLC	54	$22.2K	0.00%	+1+1.9%	Added
Glassman Wealth Services	56	$23.0K	0.00%	00.0%	Unchanged
GPS Wealth Strategies Group, LLC	61	$25.0K	0.00%	00.0%	Unchanged
Cary Street Partner Investment Advisory LLC	61	$25.0K	0.00%	+1+1.7%	Added
MV Capital Management, Inc.	66	$27.1K	0.00%	+39+144.4%	Added
Pathway Financial Advisers, LLC	66	$27.3K	0.01%	+66	New
Raffa Wealth Management, LLC	69	$28.3K	0.01%	00.0%	Unchanged
Lindbrook Capital, LLC	70	$28.7K	0.00%	+5+7.7%	Added
Quarry LP	70	$28.7K	0.02%	+70	New
Ronald Blue Trust, Inc.	63	$29.0K	0.00%	+3+5.0%	Added
Deseret Mutual Benefit Administrators	72	$29.6K	0.01%	−3−4.0%	Reduced
Covestor Ltd	72	$30.0K	0.02%	+33+84.6%	Added
Householder Group Estate & Retirement Specialist, LLC	73	$30.0K	0.01%	+73	New
Transamerica Financial Advisors, Inc.	74	$31.0K	0.00%	+74	New
Estabrook Capital Management	82	$33.7K	0.01%	00.0%	Unchanged
Halpern Financial, Inc.	83	$34.1K	0.01%	+67+418.8%	Added
IMA Wealth, Inc.	84	$34.5K	0.01%	00.0%	Unchanged
Annis Gardner Whiting Capital Advisors, LLC	85	$34.9K	0.02%	+85	New
Pin Oak Investment Advisors Inc	86	$35.0K	0.04%	00.0%	Unchanged
Tortoise Investment Management, LLC	92	$37.8K	0.01%	00.0%	Unchanged
Castleview Partners, LLC	97	$39.8K	0.04%	00.0%	Unchanged
Versant Capital Management, Inc	99	$40.6K	0.01%	00.0%	Unchanged