MARTIN MARIETTA MATERIALS INC - Common Stock (MLM)

CUSIP: 573284106

Q2 2026 13F Holders as of 30 Jun 2026

Security type / class
Equity / Common Stock
Total 13F shares
278,204
Total 13F value
$160,547,482
Holder snapshot 6 signals
Share change
-194,394
SEC-reported price per share
$576.70
Number of holders
41
Value change
-$112,163,268
Number of buys
17
Number of sells
19
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
60,312,838

Security key

573284106

Report period

Q2 2026

Institutions

41

Top holders

10

MLM full security history Ownership snapshot Full 13F holder table Previous quarter: Q1 2026 MARTIN MARIETTA MATERIALS INC SEC filings MARTIN MARIETTA MATERIALS INC company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

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 CAPITAL MANAGEME...
Comparable rows
15/15
Latest evidence
14 May 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.

Open SEC evidence Opens VANGUARD CAPITAL MANAGEMENT LLC's linked filing trail.
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 13F
Vanguard Capital Management · Company
13D/G 13F
7.5%
$2,652,220,623
4,505,369 shares
 $0 31 Mar 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
13D/G 13F
Vanguard Portfolio Management · Company
13D/G 13F
5.2%
$1,864,772,232
3,167,718 shares
 $0 31 Mar 2026
T. Rowe Price Investment Management, Inc.
13D/G 13F
Company
13D/G 13F
2.6%
$811,179,261
1,606,741 shares
 $0 31 Dec 2024
C. Howard Nye
3/4/5
Chairman, Pres & CEO, Director
3/4/5
0.41%
$171,454,309
246,438 shares
 — 01 Mar 2026
Roselyn R. Bar
3/4/5
Executive Vice President
3/4/5
0.1%
$39,402,297
62,594 shares
 — 16 Dec 2025
Sue W. Cole
3/4/5
Director
3/4/5
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 Q2 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
41
Shares
278,204
Rows available
41
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 Q2 2026 vs Q1 2026 Across Filers

Q1 2026 holders
1,063
Q2 2026 holders
41
Holder diff
-1,022
Investor Q1 2026 Shares Q2 2026 Shares Share Diff Share Chg % Q1 2026 value Q2 2026 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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