Latest Period
Q1 2026
Security Snapshot
MARTIN MARIETTA MATERIALS INC - Common Stock (MLM) Institutional Ownership
CUSIP: 573284106
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
1,059
Shares (Excl. Options)
58,304,695
Price
$588.68
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- Security type / class
- Equity / Common Stock
- Symbol
- MLM on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 58,304,695
- Total 13F value
- $34,285,513,599
- Portfolio coverage rank
- 0.03%
- Share change
- -981,593
- Value change
- -$605,509,378
- Number of holders
- 1,059
- Shares outstanding
- 60,312,838
- SEC-reported price per share
- $576.79
- Insider filing price
- $576.79
Latest holder snapshot
5 signals
Issuer context
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- MLM - MARTIN MARIETTA MATERIALS INC - Common Stock is tracked under CUSIP 573284106.
- 1059 institutions reported positions in Q1 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 1,105 to 1,059 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $37,062,230,934 to $34,285,513,599.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 1059 institutions filings for Q1 2026.
Security key
573284106
Latest holder period
Q1 2026
13F holders
1,059
13D/G owners
3
CIK / CUSIP context first
Open Q1 2026 holders
MLM full holder history
MARTIN MARIETTA MATERIALS INC SEC filings
MARTIN MARIETTA MATERIALS INC company facts
MARTIN MARIETTA MATERIALS INC insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 573284106:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
MLM
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | 7.5% | $2,652,220,623 | 4,505,369 | Vanguard Capital Management | 31 Mar 2026 | |||
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5.2% | $1,864,772,232 | 3,167,718 | Vanguard Portfolio Management | 31 Mar 2026 | |||
| T. Rowe Price Investment Management, Inc. | 2.6% | $811,179,261 | 1,606,741 | T. Rowe Price Investment Management, Inc. | 31 Dec 2024 |
As of 31 Mar 2026, 1,059 institutional investors reported holding 58,304,695 shares of MARTIN MARIETTA MATERIALS INC - Common Stock (MLM). This represents 97% of the company’s total 60,312,838 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
67%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 7.8% | 4,685,757 | +4.4% | 0.05% | $2,758,411,492 |
| VANGUARD CAPITAL MANAGEMENT LLC | 6.5% | 3,917,383 | 0% | 0.06% | $2,306,085,024 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5.2% | 3,160,444 | 0% | 0.1% | $1,860,490,174 |
| STATE STREET CORP | 4.8% | 2,877,568 | +3.8% | 0.06% | $1,693,966,730 |
| FMR LLC | 4.3% | 2,607,979 | -11% | 0.08% | $1,535,264,877 |
| BANK OF AMERICA CORP /DE/ | 4% | 2,399,779 | +0.9% | 0.1% | $1,412,702,178 |
| PRINCIPAL FINANCIAL GROUP INC | 3.5% | 2,093,942 | -3.5% | 0.66% | $1,232,684,031 |
| Aristotle Capital Management, LLC | 3.2% | 1,955,100 | -4.6% | 2.4% | $1,150,975,589 |
| JPMORGAN CHASE & CO | 3.1% | 1,860,226 | -17% | 0.07% | $1,066,971,275 |
| VICTORY CAPITAL MANAGEMENT INC | 2.7% | 1,637,147 | -33% | 0.62% | $963,760,400 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.6% | 1,588,934 | +2.3% | 0.06% | $931,770,423 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 2.5% | 1,488,840 | +391% | 0.1% | $876,451,000 |
| MORGAN STANLEY | 2.2% | 1,341,601 | -1.9% | 0.05% | $789,775,874 |
| BAILLIE GIFFORD & CO | 1.8% | 1,087,380 | -6.2% | 0.65% | $640,118,859 |
| Select Equity Group, L.P. | 1.7% | 1,033,420 | -3.2% | 3.2% | $608,353,686 |
| T. Rowe Price Investment Management, Inc. | 1.6% | 952,401 | +3.8% | 0.39% | $560,660,000 |
| GOLDMAN SACHS GROUP INC | 1.5% | 885,855 | +12% | 0.07% | $521,485,114 |
| ALKEON CAPITAL MANAGEMENT LLC | 1.2% | 747,351 | 0% | 2% | $439,950,586 |
| GARDNER RUSSO & QUINN LLC | 1.2% | 715,411 | -1.5% | 5% | $421,148,042 |
| Invesco Ltd. | 1.1% | 690,913 | -10% | 0.06% | $406,726,440 |
| KING LUTHER CAPITAL MANAGEMENT CORP | 1.1% | 666,722 | -3.4% | 1.7% | $392,485,907 |
| NORTHERN TRUST CORP | 0.97% | 586,501 | -2.2% | 0.05% | $345,261,408 |
| DIMENSIONAL FUND ADVISORS LP | 0.91% | 546,170 | +1.1% | 0.07% | $321,442,054 |
| FRANKLIN RESOURCES INC | 0.88% | 528,199 | +6% | 0.08% | $310,940,187 |
| CIBC Bancorp USA Inc. | 0.79% | 474,543 | +1299% | 0.38% | $279,431,664 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 58,304,695 | $34,285,513,599 | -$605,509,378 | $588.68 | 1,059 |
| 2025 Q4 | 59,514,163 | $37,062,230,934 | +$654,895,672 | $622.66 | 1,105 |
| 2025 Q3 | 58,173,071 | $36,650,281,989 | -$914,789,981 | $630.28 | 1,042 |
| 2025 Q2 | 59,651,064 | $32,748,885,826 | +$485,253,818 | $548.96 | 988 |
| 2025 Q1 | 58,895,917 | $28,151,673,211 | -$101,372,408 | $478.13 | 940 |
| 2024 Q4 | 59,046,566 | $30,500,646,706 | -$707,161,988 | $516.50 | 982 |
| 2024 Q3 | 60,107,316 | $32,357,999,870 | +$382,800,526 | $538.25 | 937 |
| 2024 Q2 | 59,520,554 | $32,221,848,693 | -$58,411,420 | $541.80 | 931 |
| 2024 Q1 | 59,193,280 | $36,278,656,275 | +$382,317,815 | $613.94 | 947 |
| 2023 Q4 | 58,662,649 | $29,257,574,703 | -$63,048,585 | $498.91 | 879 |
| 2023 Q3 | 58,723,929 | $24,131,626,021 | +$104,542,334 | $410.48 | 806 |
| 2023 Q2 | 58,126,748 | $26,822,655,740 | +$57,710,099 | $461.69 | 791 |
| 2023 Q1 | 58,480,730 | $20,673,698,913 | +$54,058,611 | $355.06 | 735 |
| 2022 Q4 | 57,486,854 | $19,453,400,760 | -$276,298,196 | $337.97 | 762 |
| 2022 Q3 | 58,409,138 | $18,831,319,577 | -$600,530,512 | $322.09 | 721 |
| 2022 Q2 | 58,488,360 | $17,517,033,973 | -$157,924,952 | $299.24 | 706 |
| 2022 Q1 | 58,879,583 | $22,651,240,040 | +$189,680,284 | $384.89 | 748 |
| 2021 Q4 | 58,313,321 | $25,633,893,865 | +$274,979,254 | $440.52 | 758 |
| 2021 Q3 | 57,639,666 | $19,683,318,450 | -$60,727,558 | $341.68 | 690 |
| 2021 Q2 | 57,766,389 | $20,300,435,573 | -$42,950,817 | $351.81 | 688 |
| 2021 Q1 | 58,040,087 | $19,466,993,342 | -$321,413,202 | $335.82 | 686 |
| 2020 Q4 | 59,383,279 | $16,846,947,746 | -$530,272,912 | $283.97 | 631 |
| 2020 Q3 | 61,391,569 | $14,428,953,932 | +$349,539,157 | $235.36 | 573 |
| 2020 Q2 | 59,924,822 | $12,385,387,728 | +$76,979,067 | $206.57 | 578 |
| 2020 Q1 | 59,651,089 | $11,283,673,752 | -$315,889,572 | $189.23 | 567 |