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MLM
NYSE Real Estate & Construction

Martin Marietta to Acquire Limestone Supplier Lhoist North America for $13.5 Billion

Reported by Reuters
Sentiment info
Neutral
Importance info
9
Price
$609.61
Mkt Cap
$36.992B
52W Low
$525.38
52W High
$710.97
52W Position info
16% above low
Off High info
14% below high
Rel. Volume info
1.4× avg
Market data snapshot near publication time

MLM sits 16% above its 52-week low of $525.38.

Summary

Martin Marietta Materials has announced a definitive agreement to acquire limestone supplier Lhoist North America for $13.5 billion. This represents a significant strategic expansion, with the deal value being over a third of Martin Marietta's current market capitalization. The Berghmans family, current owners of Lhoist North America, are expected to hold roughly 15% of Martin Marietta post-acquisition, suggesting a substantial equity component in the transaction. This major move follows Martin Marietta's strong first-quarter results and a recent divestiture of cement and ready-mixed concrete assets, indicating a strategic reallocation of capital.

At the time of this announcement, MLM was trading at $609.61 on NYSE in the Real Estate & Construction sector, with a market capitalization of approximately $37B. The 52-week trading range was $525.38 to $710.97. This news item was assessed with neutral market sentiment and an importance score of 9 out of 10. Source: Reuters.


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MLM - Latest Insights

MLM
Jun 29, 2026, 7:43 AM EDT
Filing Type: 8-K
Importance Score:
9
Price at Filing: $600.00
Real-time Price: $600.00 info
Change: $0 (0%) info
Market Cap: $36.992B info
MLM
Jun 29, 2026, 6:40 AM EDT
Source: Reuters
Importance Score:
9
Price at Filing: $609.61
Real-time Price: $600.00 info
Change: -$9.61 (-2%) info
Market Cap: $36.992B info
MLM
Apr 30, 2026, 1:31 PM EDT
Filing Type: 10-Q
Importance Score:
9
Price at Filing: $606.37
Real-time Price: $600.00 info
Change: -$6.37 (-1%) info
Market Cap: $36.992B info
MLM
Apr 30, 2026, 7:07 AM EDT
Source: Reuters
Importance Score:
8
Price at Filing: $620.18
Real-time Price: $600.00 info
Change: -$20.18 (-3%) info
Market Cap: $36.992B info
MLM
Apr 30, 2026, 7:02 AM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $620.18
Real-time Price: $600.00 info
Change: -$20.18 (-3%) info
Market Cap: $36.992B info
MLM
Apr 27, 2026, 4:17 PM EDT
Filing Type: 8-K
Importance Score:
7
Price at Filing: $609.75
Real-time Price: $600.00 info
Change: -$9.75 (-2%) info
Market Cap: $36.992B info
MLM
Apr 15, 2026, 4:16 PM EDT
Filing Type: DEF 14A
Importance Score:
7
Price at Filing: $616.94
Real-time Price: $600.00 info
Change: -$16.94 (-3%) info
Market Cap: $36.992B info
MLM
Feb 23, 2026, 4:20 PM EST
Filing Type: 8-K
Importance Score:
8
Price at Filing: $683.60
Real-time Price: $600.00 info
Change: -$83.60 (-12%) info
Market Cap: $36.992B info
MLM
Feb 19, 2026, 3:16 PM EST
Filing Type: 10-K
Importance Score:
8
Price at Filing: $671.39
Real-time Price: $600.00 info
Change: -$71.38 (-11%) info
Market Cap: $36.992B info
MLM
Feb 11, 2026, 7:01 AM EST
Filing Type: 8-K
Importance Score:
7
Price at Filing: $708.11
Real-time Price: $600.00 info
Change: -$108.11 (-15%) info
Market Cap: $36.992B info