As of August 28, 2026, Martin Marietta Materials, Inc. (MLM) has a DilutionWatch DilutionScore of 10/100, rated LOW dilution risk. This is a component-limited score because one or more material inputs are unavailable or not applicable. Martin Marietta Materials, Inc. has a market capitalization of $34.93B, 60.07M shares outstanding, 1077 institutional holders tracked.
This page includes automatically generated factual summaries from DilutionWatch data. It is not financial advice, not investment research, and not a recommendation. Do your own research. Read the full disclaimer and terms of service.
Score Breakdown
💰Cash Runway—
Dilution Forecast
☀️
Clear
No significant dilution signals
model est. 0%
No significant dilution signals detected for MLM.
Market Data
Market Cap$34.93B
Shares Outstanding60.07M
Float59.52M
Cash$112.00M
Debt$5.38B
Short InterestN/A
Institutional Holdings
QoQ: ↑ 10.7% shares (2026Q1 vs prior)
1077 institutional holders · 70.10M shares
#1
VANGUARD CAPITAL MANAGEMENT LLC
7.83M shares
#2
BlackRock, Inc.
4.69M shares
#3
MORGAN STANLEY
4.01M shares
Institutional holder totals are aggregated from ownership filings and may use a different share basis or reporting date than public float. They are not a reconciliation against tradeable float.
Short Interest
Short Interest2.38M
Days to Cover3.7
% of Float4.0%
FINRA data as of Jul 31, 2026
Recent SEC Activity
Form 4
INSIDER TRANSACTION
2026-08-21
Form 4
INSIDER TRANSACTION
2026-08-03
4
INSIDER TRANSACTION
2026-03-03
4
INSIDER TRANSACTION
2026-03-03
4
INSIDER TRANSACTION
2026-03-03
Full SEC filing analysis available with free account
→
Recent News
No recent news
Factual MLM Dilution Snapshot
Martin Marietta Materials, Inc. (MLM) has a DilutionScore of 10/100, rated Low dilution risk. Score date: August 28, 2026.
- Recent SEC activity tracked for MLM: Form 4 on 2026-08-21; Form 4 on 2026-08-03; 4 on 2026-03-03.
- Score coverage note: Cash Runway is marked not applicable or unavailable while debt exceeds cash in stored market data; do not read the overall score as a complete balance-sheet risk assessment.
This automatically generated snapshot is assembled from stored DilutionWatch data fields and may contain data-source errors or omissions. It is not financial advice, not investment research, and not a recommendation. Do your own research and review the full disclaimer and terms of service.
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Score Coverage Note
- Cash Runway is marked not applicable or unavailable while debt exceeds cash in stored market data; do not read the overall score as a complete balance-sheet risk assessment.