CDLR vs GLDD vs TDW vs OII vs AMSC

For growth investors, Cadeler A/S (CDLR) is the stronger pick with 129.

0% revenue growth year-over-year, versus 0. 5% for Tidewater Inc. (TDW). Oceaneering International, Inc. (OII) offers the better valuation at 10. 5x trailing P/E (20. 5x forward), making it the more compelling value choice. Analysts rate Cadeler A/S (CDLR) a "Buy" — based on 1 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, Oceaneering International, Inc.

(OII) is the cheapest at 10. 5x versus American Superconductor Corporation at 332. 6x. On forward P/E, Cadeler A/S is actually cheaper at 9. 9x — notably different from the trailing picture, reflecting expected earnings growth.

Over the past 5 years, Tidewater Inc.

(TDW) delivered a total return of +456. 1%, compared to +19. 7% for Great Lakes Dredge & Dock Corporation (GLDD). Over 10 years, the gap is even starker: AMSC returned +379. 0% versus TDW's -67. 7%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Tidewater Inc.

(TDW) is the lower-risk stock at 0. 74β versus American Superconductor Corporation's 2. 90β — meaning AMSC is approximately 290% more volatile than TDW relative to the S&P 500. On balance sheet safety, American Superconductor Corporation (AMSC) carries a lower debt/equity ratio of 2% versus 89% for Great Lakes Dredge & Dock Corporation — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Cadeler A/S (CDLR) is pulling ahead at 129.

0% versus 0. 5% for Tidewater Inc. (TDW). On earnings-per-share growth, the picture is similar: Cadeler A/S grew EPS 230. 4% year-over-year, compared to 28. 6% for Great Lakes Dredge & Dock Corporation. Over a 3-year CAGR, CDLR leads at 59. 8% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Cadeler A/S (CDLR) is the more profitable company, earning 26.

2% net margin versus 2. 7% for American Superconductor Corporation — meaning it keeps 26. 2% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: CDLR leads at 27. 9% versus -0. 5% for AMSC. At the gross margin level — before operating expenses — CDLR leads at 48. 8%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

On forward earnings alone, Cadeler A/S (CDLR) trades at 9.

9x forward P/E versus 20. 5x for Oceaneering International, Inc. — 10. 5x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for TDW: 50. 3% to $117. 00.

None of the stocks in this comparison currently pay a material dividend.

All are effectively zero-yield and should be held for capital appreciation rather than income.

For long-horizon retirement investors, Great Lakes Dredge & Dock Corporation (GLDD) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0.

92), +276. 9% 10Y return). American Superconductor Corporation (AMSC) carries a higher beta of 2. 90 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (GLDD: +276. 9%, AMSC: +379. 0%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

These companies operate in different sectors (CDLR (Industrials) and GLDD (Industrials) and TDW (Energy) and OII (Energy) and AMSC (Industrials)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: CDLR is a small-cap high-growth stock; GLDD is a small-cap high-growth stock; TDW is a small-cap deep-value stock; OII is a small-cap deep-value stock; AMSC is a small-cap high-growth stock. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.