Security key
573284106
MARTIN MARIETTA MATERIALS INC - Common Stock (MLM)
CUSIP: 573284106
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 58,304,695
- Total 13F value
- $34,285,513,599
- Share change
- -981,593
- Put/Call ratio
- 44%
- SEC-reported price per share
- $588.68
- Number of holders
- 1,059
- Value change
- -$605,509,378
- Number of buys
- 453
- Number of sells
- 496
- Shares outstanding
- 60,312,838
Holder snapshot
7 signals
Show 1 more signal
Security identity
1 source field
Report period
Q1 2026
Institutions
1,059
Top holders
10
MLM full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q4 2025
MARTIN MARIETTA MATERIALS INC SEC filings
MARTIN MARIETTA MATERIALS INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 573284106
Recent filing periods:
Ownership snapshot
Top reported holders of MLM - MARTIN MARIETTA MATERIALS INC - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
VANGUARD CAPITAL MANAGEME...
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
15/15
Latest evidence
31 Mar 2026
13D/G
13F
3/4/5
Lead comparable stake: 7.5%
13D/G row: VANGUARD CAPITAL MANAGEMENT LLC
Showing 1-6 of 15 holder rows.
Quick read
VANGUARD CAPITAL MANAGEMENT LLC leads the comparable SEC ownership view at 7.5%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Comparable ownership
Top 5
VANGUARD CAPITAL MANAGEMENT LLC
7.5%
VANGUARD PORTFOLIO MANAGEMENT LLC
5.2%
T. Rowe Price Investment Manageme...
2.6%
C. Howard Nye
0.41%
Roselyn R. Bar
0.1%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
Vanguard Capital Management
|
7.5%
|
$2,652,220,623
4,505,369 shares
|
$0 | 31 Mar 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
Vanguard Portfolio Management
|
5.2%
|
$1,864,772,232
3,167,718 shares
|
$0 | 31 Mar 2026 |
| T. Rowe Price Investment Management, Inc. |
13D/G
13F
Company
|
2.6%
|
$811,179,261
1,606,741 shares
|
$0 | 31 Dec 2024 |
| C. Howard Nye |
3/4/5
Chairman, Pres & CEO, Director
|
0.41%
|
$171,454,309
246,438 shares
|
— | 01 Mar 2026 |
| Roselyn R. Bar |
3/4/5
Executive Vice President
|
0.1%
|
$39,402,297
62,594 shares
|
— | 16 Dec 2025 |
| Sue W. Cole |
3/4/5
Director
|
0.04%
|
$13,420,681
24,644 shares
|
— | 15 May 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
1,059
Shares
58,304,695
Rows available
1,059
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
1,105
Q1 2026 holders
1,059
Holder diff
-46
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend