FLNC vs STEM

For growth investors, Stem, Inc.

(STEM) is the stronger pick with 8. 1% revenue growth year-over-year, versus -16. 1% for Fluence Energy, Inc. (FLNC). Analysts rate Fluence Energy, Inc. (FLNC) a "Hold" — based on 27 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.

Over the past 5 years, Fluence Energy, Inc.

(FLNC) delivered a total return of -63. 7%, compared to -97. 6% for Stem, Inc. (STEM). Over 10 years, the gap is even starker: FLNC returned -63. 7% versus STEM's -94. 5%. 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), Fluence Energy, Inc.

(FLNC) is the lower-risk stock at 3. 55β versus Stem, Inc. 's 3. 66β — meaning STEM is approximately 3% more volatile than FLNC relative to the S&P 500.

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

(STEM) is pulling ahead at 8. 1% versus -16. 1% for Fluence Energy, Inc. (FLNC). On earnings-per-share growth, the picture is similar: Stem, Inc. grew EPS 91. 3% year-over-year, compared to -408. 3% for Fluence Energy, Inc.. Over a 3-year CAGR, FLNC leads at 23. 6% 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.

Stem, Inc.

(STEM) is the more profitable company, earning 88. 2% net margin versus -2. 1% for Fluence Energy, Inc. — meaning it keeps 88. 2% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: FLNC leads at -1. 5% versus -38. 7% for STEM. At the gross margin level — before operating expenses — STEM leads at 38. 4%, 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.

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, Fluence Energy, Inc.

(FLNC) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding. Stem, Inc. (STEM) carries a higher beta of 3. 66 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (FLNC: -63. 7%, STEM: -94. 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 (FLNC (Utilities) and STEM (Technology)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

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.