§ CONSTRUCTION
USD · ConstructionMLM
MARTIN MARIETTA MATERIALS
USDSector · ConstructionMarket cap · $36.0BBeta · 1.21
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX
OPEN 479.89HIGH 486.80LOW 475.0652W 441.94 — 710.97
EVENTSJUN 30 · EARNINGS +4.3%
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
13F FLOW
482 increased/new, 396 decreased/exited (13F)
AC 13F Analysis
§ 04 · FUNDAMENTALS · THE BOOKS
| P/E | 31.7 | P/B | 3.74 |
| EPS (TTM) | 18.79 | Dividend | 0.58% |
§ 05 · WHO OWNS IT
Top institutional holders
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| BlackRock, Inc. | 4.7M | 0.0% | +4% |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.9M | n/a | n/a |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3.2M | n/a | n/a |
| State Street | 2.9M | 0.1% | +4% |
| Fidelity Management | 2.6M | 0.1% | −11% |
| Bank of America Corp | 2.4M | 0.1% | +1% |
◇ AC INTELLIGENCE
Top institutional owners for MLM as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.
§ 06 · WHO OWNS IT · BY STRATEGY
OTHER48.8% · 879 holders
DEALER / BANK21.4% · 76 holders
PASSIVE / INDEX13.8% · 13 holders
QUALITY / COMPOUNDER12.7% · 37 holders
INCOME / DEFENSIVE5.1% · 46 holders
GROWTH / MOMENTUM1.8% · 2 holders
SYSTEMATIC / QUANT0.5% · 9 holders
TACTICAL / MACRO0.1% · 5 holders
DEEP VALUE0.1% · 2 holders
◇ AC INTELLIGENCE
Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.
§ 07 · INSIDER ACTIVITY · LAST 180 DAYS
NO INSIDER FILINGS
◇ AC INTELLIGENCE
No Form 4 filings on record for MLM in the last 180 days.
§ 08 · COVERAGE · OUR RECENT NOTES
No notes mention MLM yet.