AMRC vs PESI vs ERII vs GEVO vs TPVG

For growth investors, Gevo, Inc.

(GEVO) is the stronger pick with 849. 3% revenue growth year-over-year, versus -7. 1% for Energy Recovery, Inc. (ERII). TriplePoint Venture Growth BDC Corp. (TPVG) offers the better valuation at 4. 9x trailing P/E (6. 5x forward), making it the more compelling value choice. Analysts rate Ameresco, Inc. (AMRC) a "Buy" — based on 23 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, TriplePoint Venture Growth BDC Corp.

(TPVG) is the cheapest at 4. 9x versus Ameresco, Inc. at 35. 8x. On forward P/E, TriplePoint Venture Growth BDC Corp. is actually cheaper at 6. 5x.

Over the past 5 years, Perma-Fix Environmental Services, Inc.

(PESI) delivered a total return of +45. 6%, compared to -65. 2% for Gevo, Inc. (GEVO). Over 10 years, the gap is even starker: AMRC returned +542. 4% versus GEVO's -98. 6%. 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), TriplePoint Venture Growth BDC Corp.

(TPVG) is the lower-risk stock at 0. 83β versus Ameresco, Inc. 's 2. 03β — meaning AMRC is approximately 144% more volatile than TPVG relative to the S&P 500. On balance sheet safety, Energy Recovery, Inc. (ERII) carries a lower debt/equity ratio of 5% versus 173% for Ameresco, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Gevo, Inc.

(GEVO) is pulling ahead at 849. 3% versus -7. 1% for Energy Recovery, Inc. (ERII). On earnings-per-share growth, the picture is similar: Gevo, Inc. grew EPS 58. 8% year-over-year, compared to -22. 4% for Ameresco, Inc.. Over a 3-year CAGR, GEVO leads at 415. 1% 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.

TriplePoint Venture Growth BDC Corp.

(TPVG) is the more profitable company, earning 50. 6% net margin versus -22. 3% for Perma-Fix Environmental Services, Inc. — meaning it keeps 50. 6% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: TPVG leads at 77. 9% versus -19. 0% for PESI. At the gross margin level — before operating expenses — TPVG leads at 83. 5%, 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, TriplePoint Venture Growth BDC Corp.

(TPVG) trades at 6. 5x forward P/E versus 25. 0x for Ameresco, Inc. — 18. 5x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for GEVO: 72. 4% to $3. 50.

In this comparison, TPVG (17.

1% yield) pays a dividend. AMRC, PESI, ERII, GEVO do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, TriplePoint Venture Growth BDC Corp.

(TPVG) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 83), 17. 1% yield). Gevo, Inc. (GEVO) carries a higher beta of 1. 64 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (TPVG: +93. 3%, GEVO: -98. 6%), 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 (AMRC (Industrials) and PESI (Industrials) and ERII (Industrials) and GEVO (Basic Materials) and TPVG (Financial Services)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: AMRC is a small-cap quality compounder stock; PESI is a small-cap quality compounder stock; ERII is a small-cap quality compounder stock; GEVO is a small-cap high-growth stock; TPVG is a small-cap high-growth stock. TPVG pays a dividend while AMRC, PESI, ERII, GEVO do not, making them suitable for different income and tax situations. 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.