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ZYBERNO
Stock Report
Updated Jun 2, 2026

Great Lakes Dredge & Dock Corporation (GLDD)

Industrial • NASDAQ

$17.00

Professional Investment Analysis

ZYBERNO SCORE →
Is it a great business? Is it getting better?
69.0/100
GOOD BUSINESS
Great Lakes Dredge & Dock Corporation (GLDD) scores 69/100 — strong fundamentals with solid profitability and healthy cash flow generation.
📊 How is the Zyberno Score calculated? +
VALUATION SIGNAL
MARGIN OF SAFETY
Is this stock cheap or expensive relative to what the business has historically generated for owners?
+99.7%
Undervalued
Is the market underestimating or overestimating what this business is capable of going forward?
+6.2%
Slight Underestimate
↑ UNDER
+50%
Brina Gap
-50%
↓ OVER
← OVERVALUED
-100%
Margin of Safety
UNDERVALUED →
+100%
UNDERESTIMATED
GROWTH
DOUBLE
DISCOUNT
EXPENSIVE
HYPE
VALUE
TRAP
0,0
MoS +99.7%  ·  Gap +6.2%

Two independent signals. One tells you if the stock is cheap relative to what the business has historically generated for owners — the Margin of Safety. The other tells you if the market is underestimating what the business is capable of going forward — the Brina Gap.

They are calculated from completely different data sources and answer completely different questions. The Margin of Safety reads the past. The Brina Gap reads the present economics and compares them against what the current stock price is assuming about the future.

When both point in the same direction simultaneously — DOUBLE DISCOUNT — the probability of genuine mispricing is high. The market is wrong on two independent dimensions at once, which is rare and significant.

The most dangerous scenario is not an overvalued stock — those are easy to avoid. It is a VALUE TRAP: a stock that appears cheap historically but where the market is already pricing in stronger growth than the business fundamentals support. Without the Brina Gap signal this looks identical to a genuine opportunity. The matrix separates them instantly.

The Brina Gap is the more powerful of the two signals. Most investors and analytical tools focus on valuation alone — whether a stock is cheap relative to earnings. Far fewer systematically compare what the business economics structurally support against what the stock price is actually assuming. That gap between fundamental growth potential and market expectations is where the most reliable mispricings live, and where this matrix earns its value.

Use this as your first filter. A stock in DOUBLE DISCOUNT territory is worth investigating. Everything else requires either more caution or a specific reason to act.

DOUBLE DISCOUNT OPPORTUNITY
Great Lakes Dredge & Dock Corporation (GLDD) scores a Double Discount — Margin of Safety +99.7% against historical owner earnings and Brina Gap +6.2% against forward business economics. Both independent signals point to undervaluation simultaneously.
⚠ Significant divergence between Owner Earnings and Free Cash Flow (1.04×). Intrinsic Value and Brina Gap are likely overstated — acquisition-related D&A is inflating Owner Earnings. Verify earnings quality before acting.
🎯 Expected Annual Return →
439.8%
5-year annualised assuming price converges to intrinsic value
💰 How is Margin of Safety calculated? +
📈 How is Brina Gap calculated? +

Critical Financial Health Indicators

Return on Equity (Profitability):AVERAGE (14.8%)
Debt-to-Equity (Solvency Risk):EXCELLENT (0.20x)
Operating Margin (Operational Efficiency):AVERAGE (14.4%)
Return on Capital (Capital Efficiency):POOR (9.8%)
📊 Valuation Trilogy
Three interconnected metrics for complete valuation analysis
💎
Intrinsic Value
DCF Fair Value
$4,883.04
🛡️
Margin of Safety
Valuation Gap
99.7%
🎯
Expected Return
Projected Annual
439.8%
Click any metric for full methodology and detailed analysis
Zyberno's Verdict

According to Zyberno, Great Lakes Dredge & Dock Corporation (GLDD) is a buy opportunity — GOOD BUSINESS (69/100) trading at a Margin of Safety of +99.7% against historical owner earnings, with a Brina Gap of +6.2% confirming the market is underestimating its forward growth capacity.

According to Zyberno's DCF model, Great Lakes Dredge & Dock Corporation (GLDD) trades at $17.00 against an estimated intrinsic value per share of $4,883.04 — a +99.7% Margin of Safety based on Owner Earnings of $203.26M TTM, projected at 74.0% growth for 10 years with a 2.5% terminal growth rate. The Brina Gap of +6.2% strengthens the case: based on the company's ROIC (9.8%) and reinvestment rate (117.2%), the business can fundamentally grow at 11.5% — but the current enterprise value implies the market expects 5.3%. This places GLDD in the Double Discount quadrant of the Brina Matrix, the rarest and most attractive position. Zyberno's model translates this into a 5-year expected return of 439.8% annually.

Over the trailing twelve months, GLDD generated $203.26M in Owner Earnings. Capital was deployed as follows: $147.22M invested in capital expenditures. Reinvestment rate: 117.2%. Owner Earnings have grown at 74.0% annually over the trailing five years using log-linear regression.

DIVISION I: EXECUTIVE SUMMARY
A. Market Valuation

Market Price & Capitalization (2)

Current Price:17.00
Market Cap:$1.14B

Valuation Multiples (4)

P/E Ratio:
15.74x
📊 Click to view full GLDD P/E analysis →
P/B Ratio:2.20x
P/S Ratio:1.28x
Peg Ratio:0.24x

Enterprise Metrics (3)

Enterprise Value:$1.52B
Ev Ebitda Ratio:8.90x
Pfcf Ratio:11.43x
B. Profitability Assessment

Return Metrics (7)

ROE:
14.8%
📊 Click to view full GLDD ROE analysis →
ROA:5.8%
Roic:
9.8%
📊 Click to view full GLDD ROIC analysis →
Reinvestment Rate:117.2%
Fundamental Growth Rate (g):11.5%
Market-Implied Growth Rate:5.3%
Brina Gap:
6.2%
☷ Click to view full GLDD Brina Gap analysis →
LOW CONF

Margin Analysis (3)

Operating Margin Ttm:14.4%
Net Margin Ttm:8.3%
Ebitda Margin:19.3%

TTM Performance (3)

Gross Margin Ttm:22.9%
Operating Margin Ttm:14.4%
Net Margin Ttm:8.3%

Yield Metrics (3)

Earnings Yield:$6.35
Owner Earnings Yield:$17.88
Dividend Yield:0.0%
C. Log-Linear Regression Growth Trends

Earnings Surprise (SUE) (3)

Earnings Surprise (SUE):
+0.13
📊 Click to view full GLDD Earnings Surprise analysis →
EPS Surprise vs Expected:49.3%
Latest Earnings Filed:2025-08-05

Revenue Growth (Linear) (1)

Revenue Growth Rate (Linear):11.9%

Earnings Growth (Linear) (1)

Net Income Growth Rate (Linear):28.3%

Cash Flow Growth (Linear) (2)

Free Cash Flow Growth Rate (Linear):100.0%
Operating Cash Flow Growth Rate (Linear):60.6%

Operating Growth (Linear) (1)

Operating Income Growth Rate (Linear):31.8%
D. Financial Stability

Liquidity Ratios (3)

Current Ratio:1.01x
Quick Ratio:0.88x
Cash Ratio:0.06x

Leverage Analysis (3)

Debt To Equity Ttm:0.20x
Debt-to-Equity Ratio:0.20x
Debt To Ebitda:2.34x

Coverage Ratios (1)

Times Interest Earned:-999.00

Capital Structure (4)

Working Capital:1,627,000.00
Cash And Cash Equivalents:13,361,000.00
Long Term Debt:$378.17M
Net Debt:$386.89M
DIVISION II: FINANCIAL STATEMENTS ANALYSIS
A. Income Statement Analysis

Revenue Components (2)

Revenue TTM: $888.28M
Linear Growth: 11.9%
📊 Click to view full GLDD Revenue analysis & methodology →
Cost Of Revenue Ttm:$684.79M

Profitability Breakdown (2)

Gross profit TTM: $203.49M
Linear Growth: 56.5%
📊 Click to view full GLDD Gross Profit analysis & methodology →
Operating income TTM: $127.79M
Linear Growth: 31.8%
📊 Click to view full GLDD Operating Income analysis & methodology →

Bottom Line Performance (3)

Net income TTM: $73.47M
Linear Growth: 28.3%
📊 Click to view full GLDD Net Income analysis & methodology →
Income Before Tax:$100.32M
Ebitda Ttm:171,210,000.00

Operating Expenses (5)

Operating Expenses:0.00
R And D Expense:0.00
Sga Expense:77,970,000.00
Income Tax Expense:$26.85M
Interest Expense:0.00

Expense Ratios (3)

R And D To Revenue Percentage:0.0%
Sga To Revenue Percentage:30.4%
Ebitda Margin:19.3%
B. Balance Sheet Analysis

Asset Composition (5)

Total Assets:$1.29B
Current Assets:$217.44M
Ppe Net:803,289,000.00
Goodwill:76,576,000.00
Intangible Assets:$0.00

Liability Structure (4)

Total Liabilities:768,607,000.00
Current Liabilities:215,816,000.00
Long Term Debt:$378.17M
Short Term Debt:$22.08M

Equity & Capital (3)

Equity:$517.14M
Retained Earnings:$200.95M
Common Stock:170,000,000.00

Working Capital Items (3)

Accounts Receivable:70,169,000.00
Inventory:27,926,000.00
Accounts Payable:109,489,000.00

Special Items (2)

Contract Liabilities:34,780,000.00
Stock Based Compensation:3,429,000.00
C. Cash Flow Analysis

Operating Activities (2)

Operating cash flow TTM: $246.68M
Linear Growth: 60.6%
Free cash flow TTM: $99.46M
Linear Growth: 100.0%
📊 Click to view full GLDD Free Cash Flow analysis & methodology →

Investment Activities (2)

Investing Cash Flow:-$29.39M
Capital Expenditures Ttm:147,218,000.00

Financing Activities (3)

Financing Cash Flow:-$49.67M
Dividends Paid Ttm:0.00
Stock Repurchase:0.00

Capital Transactions (3)

Common Stock Issuance:0.00
Long Term Debt Issuance:$0.00
Long Term Debt Repayments:$0.00

Non-Cash Items (1)

Depreciation Amortization Ttm:43,422,000.00
DIVISION III: OPERATIONAL METRICS
A. Per Share Analysis

Earnings Per Share (3)

EPS (Basic TTM):1.10
Eps diluted TTM: $1.08
Linear Growth: 2.7%
📊 Click to view full GLDD EPS analysis & methodology →
Earnings Per Share Ttm:$1.10

Revenue & Cash Per Share (3)

Sales Per Share Ttm:13.28
Operating Cash Flow Per Share:$3.69
Fcf Per Share Ttm:1.49

Book Value & Capital (2)

Book Value Per Share:$7.73
Cash Per Share:0.20

Dividend Policy (1)

Dividend Payout Ratio:0.00x
B. Operational Efficiency

Asset Utilization (2)

Asset Turnover Ttm:0.71x
Working Capital Turnover Ttm:545.96x

Receivables Management (2)

Receivables Turnover Ttm:12.66x
Days Sales Outstanding Ttm:28.83

Inventory Management (2)

Inventory Turnover Ttm:24.52x
Days Inventory Outstanding Ttm:14.88

Payables & Cash Cycle (2)

Days Payable Outstanding:58.36
Cash Conversion Cycle:-14.64
C. Quality & Risk Metrics

Financial Quality Scores (2)

Financial Strength Score:40.00
Quality Score:85.00

Market Metrics (2)

Beta:0.00x
Volatility Category:unknown
DIVISION IV: INVESTMENT ANALYSIS
A. Value Investment Framework

Owner Earnings Analysis (3)

Owner earnings TTM: $203.26M
Linear Growth: 74.0%
📊 Click to view full GLDD Owner Earnings analysis & methodology →
Owner Earnings Per Share:$3.04
Owner Earnings Yield:$17.88

Growth Assessment (1)

Owner Earnings Growth Rate:$74.02

Damodaran Growth Analysis (4)

Reinvestment Rate:117.2%
Fundamental Growth Rate (g):11.5%
Market-Implied Growth Rate:5.3%
Brina Gap:
6.2%
☷ Click to view full GLDD Brina Gap analysis →
LOW CONF

Intrinsic Value Models (1)

Intrinsic Value:
$326.52B
📊 Click to view full GLDD DCF valuation →

Margin of Safety (1)

Margin Of Safety:
99.7%
📊 Click to view full GLDD valuation analysis →

Return Scenarios (1)

Theoretical 5-Year Return:
439.8%
📊 Click to view full GLDD expected return analysis →

Investment Assessment (1)

Buffett Assessment:Excellent margin of safety
B. Log-Linear Regression Growth Analysis

Growth Rates (Log-Linear Regression) (3)

Revenue Growth Rate (Linear):11.9%
Net Income Growth Rate (Linear):28.3%
Operating Income Growth Rate (Linear):31.8%

Cash Flow Growth Rates (2)

Free Cash Flow Growth Rate (Linear):100.0%
Operating Cash Flow Growth Rate (Linear):60.6%

Other Growth Rates (3)

Gross Profit Growth Rate (Linear):56.5%
Book Value Growth Rate (Linear):7.0%
Owner Earnings Growth Rate:$74.02
C. Company Profile & Context

Corporate Information (6)

Symbol:GLDD
Company Name:Great Lakes Dredge & Dock Corporation
Sector:Industrial
Industry:Heavy Construction Other Than Bldg Const - Contractors
Exchange:NASDAQ
Country:United States

Market Classification (3)

Market Cap Category:N/A
Price Category:medium
Volume Category:N/A

Share Structure (3)

Shares Outstanding:66.87M
Shares Outstanding Basic:66.87M
Shares Outstanding Diluted:67.75M

Data Processing Info (3)

Processing Version:v3.0
Last Updated:2026-06-02 23:12:38 UTC
Data Timestamp:2026-06-02T23:12:38.989155
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