MARTIN MARIETTA MATERIALS INC(MLM)Stock Analysis
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Rank #458 of 2,879 stocksTOP 25%
Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Aug 14, 2026.
Revenue Growth
Profitability
Balance Sheet
Earnings Quality
Free Cash Flow
Institutional Flow
Revenue Scale
Dilution Risk
MLM Stock Analysis & AI Quality Score
AI stock analysis and institutional research for MARTIN MARIETTA MATERIALS INC (MLM), a Materials sector company. 13F Pro's AI-powered ranking engine scores MLM at 67.6/100 on a 32-signal composite quality model, placing it at rank #458 of 2,879 stocks — the top 25% of the AI-ranked universe. MLM scores in the top quartile across profitability (94.2), balance sheet strength (90.8), revenue scale (80.7). Areas of concern include revenue growth (22.2), which score below median versus the broader universe. Based on the latest XBRL financial filings (Q1 2026), MARTIN MARIETTA MATERIALS INC reports quarterly revenue of $1.4B, net income of $1.5B, free cash flow of $41.0M. Top institutional holders of MLM by reported 13-F value include BlackRock,, VANGUARD CAPITAL MANAGEMENT, VANGUARD PORTFOLIO MANAGEMENT, based on the most recent SEC filings. MLM trades on the NYSE exchange and files with the SEC under CIK 916076. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate MLM daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for MARTIN MARIETTA MATERIALS INC directly from SEC EDGAR. MARTIN MARIETTA MATERIALS INC's 13F Pro composite quality score has ranged between 8 and 81 since 2021, currently 67.6 — a declining long-term trajectory across 56 quarterly and live scoring snapshots.
What's Driving MLM's Business? Latest 10-Q Breakdown
AI-extracted from MARTIN MARIETTA MATERIALS INC's 10-Q filed 2026-04-30 — Q1 2026 (quarter ended March 31, 2026). Every figure is machine-verified against the filing text on SEC EDGAR.
Q1 revenues rose 17% to $1.36B on aggregates shipment growth and QUIKRETE acquisition, though continuing operations earnings fell 24% to $79M due to acquisition charges and higher tax rates.
Biggest Revenue Drivers
Total revenue: $1,362M+17% YoY
Aggregates segment; includes QUIKRETE acquisition operations in Virginia effective Feb 23, 2026.
Aggregates and downstream operations; includes 20M tons of acquired capacity from QUIKRETE and Vancouver asphalt/paving business.
Largest Expense Items
Includes $22M charge for selling acquired inventory at fair value markup as part of acquisition accounting.
9.8% of revenues vs 10.8% prior year; revenue growth outpaced expense increases.
Unchanged from prior-year quarter.
Watch Items from the Filing
- West Group segment posted operating loss of $43M in Q1 2026 vs loss of $42M in Q1 2025, weighed by seasonal winter shutdowns in Colorado/Minnesota and acquisition integration drag.
- QUIKRETE transaction closed Feb 23, 2026 with $220M goodwill and $2.0B mineral reserves acquired; $1.4B after-tax gain on cement/ready-mix concrete divestiture recognized in discontinued operations.
- Effective tax rate jumped to 32.3% in Q1 2026 from 21.2% in Q1 2025 due to deferred tax revaluation from QUIKRETE-driven state jurisdictional mix shift.
- Subsequent event: April 19, 2026 definitive agreement to acquire New Frontier Materials in St. Louis metro area (8M+ annual tons), subject to regulatory approvals; closing expected H2 2026.
AI-extracted and verified against SEC EDGAR filing text. Not investment advice.
Revenue
Q1 2026
$1.4B
Net Income
Q1 2026
$1.5B
Free Cash Flow
Q1 2026
$41.0M
D/E Ratio
Q1 2026
0.47
Revenue & Net Income
Earnings Per Share
Key Financials Over Time
Export Financial Table · Pro+Revenue
-3.2% YoYNet Income
+70.7% YoYOperating Income
+86.0% YoYEPS (Diluted)
+72.2% YoYTotal Assets
+20.1% YoYTotal Debt
+16.7% YoYOp. Cash Flow
-4.5% YoY| Metric | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2018 |
|---|---|---|---|---|---|---|
| Revenue | $5.66B -3.2% | $5.85B -5.0% | $6.16B +13.8% | $5.41B +14.5% | $4.73B +11.4% | $4.24B |
| Net Income | $2.00B +70.7% | $1.17B +34.9% | $867.0M +23.4% | $702.5M -2.6% | $721.0M +53.4% | $470.0M |
| Operating Income | $2.48B +86.0% | $1.33B +10.4% | $1.21B +23.9% | $973.8M -3.1% | $1.01B +45.6% | $690.7M |
| EPS (Diluted) | $32.41 +72.2% | $18.82 +35.7% | $13.87 +23.6% | $11.22 -2.8% | $11.54 +55.3% | $7.43 |
| Total Assets | $18.17B +20.1% | $15.13B +0.9% | $14.99B +4.2% | $14.39B +36.0% | $10.58B +10.8% | $9.55B |
| Total Debt | $5.54B +16.7% | $4.75B -17.3% | $5.74B +12.5% | $5.10B +94.3% | $2.63B -25.2% | $3.51B |
| Operating Cash Flow | $1.46B -4.5% | $1.53B +54.2% | $991.0M -12.9% | $1.14B +8.3% | $1.05B +48.9% | $705.1M |
AI Insight: MLM Ratio Trends
Q1 2026 shows severe operational deterioration with operating margin collapsing to 11.9% and ROIC plunging to 3.9%, despite inflated NPM from low quarterly earnings base.
• Operating margin crashed from 22.2% in Q4 2025 to 11.9% in Q1 2026, the lowest in the dataset.
• ROIC declined to 3.9% in Q1 2026 from 8.9% in Q4 2025, marking the weakest quarter on record.
• Debt-to-equity improved to 0.47 in Q1 2026 from 0.53 in Q4 2025, approaching three-year lows.
⚠ Q1 2026 NPM of 111.1% is anomalously inflated; underlying operational metrics (OpMargin, ROIC, ROA) all contract sharply, signaling material seasonal or one-off headwind.
⚠ ROA fell to 6.0% in Q4 2025 and further to 2.6% in Q1 2026—persistent asset productivity collapse warrants investigation.
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Top Institutional Holders of MLM
BlackRock, Inc.
$2.8B4,685,757 shVANGUARD CAPITAL MANAGEMENT LLC
$2.3B3,917,383 shVANGUARD PORTFOLIO MANAGEMENT LLC
$1.9B3,160,444 shSTATE STREET CORP
$1.7B2,877,568 shFMR LLC
$1.5B2,607,979 shBANK OF AMERICA CORP /DE/
$1.4B2,399,779 shPRINCIPAL FINANCIAL GROUP INC
$1.2B2,093,942 shAristotle Capital Management, LLC
$1.2B1,955,100 shVICTORY CAPITAL MANAGEMENT INC
$963.8M1,637,147 shGEODE CAPITAL MANAGEMENT, LLC
$931.8M1,588,934 sh
| Fund | Value | Shares |
|---|---|---|
| BlackRock, Inc. | $2.8B | 4,685,757 |
| VANGUARD CAPITAL MANAGEMENT LLC | $2.3B | 3,917,383 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $1.9B | 3,160,444 |
| STATE STREET CORP | $1.7B | 2,877,568 |
| FMR LLC | $1.5B | 2,607,979 |
| BANK OF AMERICA CORP /DE/ | $1.4B | 2,399,779 |
| PRINCIPAL FINANCIAL GROUP INC | $1.2B | 2,093,942 |
| Aristotle Capital Management, LLC | $1.2B | 1,955,100 |
| VICTORY CAPITAL MANAGEMENT INC | $963.8M | 1,637,147 |
| GEODE CAPITAL MANAGEMENT, LLC | $931.8M | 1,588,934 |
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Is MLM a good stock to buy?
13F Pro's AI-powered analysis of MARTIN MARIETTA MATERIALS INC (MLM) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Materials sector (listed on NYSE). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for MLM are available on the MLM stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing.
Which hedge funds own MLM?
Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling MLM. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of MARTIN MARIETTA MATERIALS INC's investment landscape.