INDI vs ALGM vs MPWR vs DIOD

For growth investors, Monolithic Power Systems, Inc.

(MPWR) is the stronger pick with 26. 4% revenue growth year-over-year, versus -30. 9% for Allegro MicroSystems, Inc. (ALGM). Diodes Incorporated (DIOD) offers the better valuation at 78. 7x trailing P/E (48. 5x forward), making it the more compelling value choice. Analysts rate indie Semiconductor, Inc. (INDI) a "Buy" — based on 7 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, Diodes Incorporated (DIOD) is the cheapest at 78.

7x versus Monolithic Power Systems, Inc. at 123. 6x. On forward P/E, Diodes Incorporated is actually cheaper at 48. 5x.

Over the past 5 years, Monolithic Power Systems, Inc.

(MPWR) delivered a total return of +366. 2%, compared to -55. 3% for indie Semiconductor, Inc. (INDI). Over 10 years, the gap is even starker: MPWR returned +24. 9% versus INDI's -54. 2%. 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), Diodes Incorporated (DIOD) is the lower-risk stock at 2.

11β versus indie Semiconductor, Inc. 's 2. 71β — meaning INDI is approximately 28% more volatile than DIOD relative to the S&P 500. On balance sheet safety, Monolithic Power Systems, Inc. (MPWR) carries a lower debt/equity ratio of 1% versus 99% for indie Semiconductor, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Monolithic Power Systems, Inc.

(MPWR) is pulling ahead at 26. 4% versus -30. 9% for Allegro MicroSystems, Inc. (ALGM). On earnings-per-share growth, the picture is similar: Diodes Incorporated grew EPS 50. 5% year-over-year, compared to -150. 0% for Allegro MicroSystems, Inc.. Over a 3-year CAGR, INDI leads at 25. 2% 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.

Monolithic Power Systems, Inc.

(MPWR) is the more profitable company, earning 22. 1% net margin versus -66. 2% for indie Semiconductor, Inc. — meaning it keeps 22. 1% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: MPWR leads at 26. 1% versus -66. 3% for INDI. At the gross margin level — before operating expenses — MPWR leads at 55. 2%, 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, Diodes Incorporated (DIOD) trades at 48.

5x forward P/E versus 90. 2x for Allegro MicroSystems, Inc. — 41. 7x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for MPWR: 2. 5% to $1615. 00.

In this comparison, MPWR (0.

4% yield) pays a dividend. INDI, ALGM, DIOD do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Diodes Incorporated (DIOD) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (+490.

7% 10Y return). indie Semiconductor, Inc. (INDI) carries a higher beta of 2. 71 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (DIOD: +490. 7%, INDI: -54. 2%), 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.

Both stocks operate in the Technology sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: INDI is a small-cap quality compounder stock; ALGM is a small-cap quality compounder stock; MPWR is a mid-cap high-growth stock; DIOD is a small-cap quality compounder 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.