MARTIN MARIETTA MATLS INC

$MLM

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Smart money positioned

22 of the Top-200 alpha managers hold $MLM as of the latest 13F snapshot.

13F holders

1,065

Insider buys · 90d

Congress · 90d

4trades

Smart Money · top-200 alpha cohort

22 holders · Q1 2026

$MLM is held by 22 managers from the Top-Performer cohort as of Q1 2026. Position weights range from 0.00% to 3.56%, with an average of 0.22% of portfolio. Largest holder: Progeny 3, Inc. at 3.56%. A weekly Smart-Money commentary for this ticker has not been generated yet this batch — the table below shows the full cohort positioning.

Progeny 3, Inc.

3.56% held

α +11.9pts

United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund

0.43% NEW

α +13.4pts

Merrion Investment Management Co, LLC

Bradley Foster & Sargent INC

0.08% held

α +11.1pts

Smart Money shows holdings from our Top-Performer cohort — the 200 highest-alpha manager_13f funds in our universe. Position weight (current quarter) and QoQ delta versus prior quarter. α is the manager's annual alpha vs benchmark.

Institutional holders

Top 10 of 1,065 · Source: 13F-HR

Account Management LLC

2.44% of portfolio

1,955,100 sh

Abner Herrman & Brock LLC

0.62% of portfolio

1,637,147 sh

RE Dickinson Investment Advisors, LLC

0.39% of portfolio

1,591,827 sh

Banyan Capital Management, Inc.

0.05% of portfolio

1,380,798 sh

TB Capital Gestao de Recursos Ltda.

0.08% of portfolio

1,034,585 sh

Roberts Capital Advisors, LLC

0.39% of portfolio

952,401 sh

Sit Investment Associates Inc.

4.97% of portfolio

715,411 sh

See all 1,065 13F holders · Pro →

Insider activity · last 90 days

3 transactions · 3 filers

08 Aug 2025

Perez Laree E —

▼ SOLD

1,038

$613.32

05 Mar 2025

McCunniff Donald A. —

▼ SOLD

1,332

$475.00

04 Mar 2025

Petro Michael J —

▲ BOUGHT

550

$454.37

Transaction codes: P open-market purchase · S sale · M option exercise · A grant · F tax-withhold sale. Insider names link to each individual's expert page.