BSLK vs SPRU vs RUN vs SHLS vs ARRY

For growth investors, Sunrun Inc.

(RUN) is the stronger pick with 45. 1% revenue growth year-over-year, versus -60. 1% for Bolt Projects Holdings, Inc. (BSLK). Sunrun Inc. (RUN) offers the better valuation at 8. 1x trailing P/E (15. 3x forward), making it the more compelling value choice. Analysts rate Sunrun Inc. (RUN) a "Buy" — based on 37 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, Sunrun Inc.

(RUN) is the cheapest at 8. 1x versus Shoals Technologies Group, Inc. at 39. 2x. On forward P/E, Array Technologies, Inc. is actually cheaper at 11. 8x — notably different from the trailing picture, reflecting expected earnings growth.

Over the past 5 years, Array Technologies, Inc.

(ARRY) delivered a total return of -67. 7%, compared to -100. 0% for Bolt Projects Holdings, Inc. (BSLK). Over 10 years, the gap is even starker: RUN returned +97. 7% versus BSLK's -100. 0%. 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), Spruce Power Holding Corporation (SPRU) is the lower-risk stock at 0.

30β versus Sunrun Inc. 's 2. 81β — meaning RUN is approximately 839% more volatile than SPRU relative to the S&P 500. On balance sheet safety, Shoals Technologies Group, Inc. (SHLS) carries a lower debt/equity ratio of 29% versus 5% for Spruce Power Holding Corporation — giving it more financial flexibility in a downturn.

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

(RUN) is pulling ahead at 45. 1% versus -60. 1% for Bolt Projects Holdings, Inc. (BSLK). On earnings-per-share growth, the picture is similar: Sunrun Inc. grew EPS 113. 3% year-over-year, compared to -6. 7% for Spruce Power Holding Corporation. Over a 3-year CAGR, SPRU leads at 73. 9% 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.

Sunrun Inc.

(RUN) is the more profitable company, earning 15. 2% net margin versus -47. 6% for Bolt Projects Holdings, Inc. — meaning it keeps 15. 2% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: SHLS leads at 11. 9% versus -30. 3% for BSLK. At the gross margin level — before operating expenses — SPRU leads at 51. 3%, 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, Array Technologies, Inc.

(ARRY) trades at 11. 8x forward P/E versus 21. 5x for Shoals Technologies Group, Inc. — 9. 7x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for RUN: 32. 2% to $18. 25.

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, Spruce Power Holding Corporation (SPRU) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0.

30)). Array Technologies, Inc. (ARRY) carries a higher beta of 2. 39 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (SPRU: -95. 8%, ARRY: -76. 5%), 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 (BSLK (Financial Services) and SPRU (Energy) and RUN (Energy) and SHLS (Energy) and ARRY (Energy)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: BSLK is a small-cap quality compounder stock; SPRU is a small-cap quality compounder stock; RUN is a small-cap high-growth stock; SHLS is a small-cap high-growth stock; ARRY 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.