Martin Marietta Materials, Inc. (MLM) short interest & options flow
NYSEMartin Marietta Materials is the most shorted name in its immediate peer group right now, with short interest at 5.5% of free float, the highest level in at least a year, even as the stock outran most peers with an 8% gain on the week. Short interest has climbed 18% over the past month to 3.34 million shares, a steady grind higher that accelerated through October. The build is…
MLM short interest jumps 22% in one week to 4.7% of float, driven by activist stake disclosure. Stock down 8% in October.
- Market cap
- $39.53B
- Next earnings
- 12 Feb 2027
Key data as of 5 Nov 2026
MLM news and analysis
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