QMCO vs STX

For growth investors, Seagate Technology Holdings plc (STX) is the stronger pick with 38.

9% revenue growth year-over-year, versus -12. 0% for Quantum Corporation (QMCO). Seagate Technology Holdings plc (STX) offers the better valuation at 113. 2x trailing P/E (52. 0x forward), making it the more compelling value choice. Analysts rate Quantum Corporation (QMCO) a "Buy" — based on 10 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, Seagate Technology Holdings plc (STX) delivered a total return of +752.

5%, compared to -95. 1% for Quantum Corporation (QMCO). Over 10 years, the gap is even starker: STX returned +41. 0% versus QMCO's -88. 1%. 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), Seagate Technology Holdings plc (STX) is the lower-risk stock at 2.

04β versus Quantum Corporation's 3. 23β — meaning QMCO is approximately 58% more volatile than STX relative to the S&P 500.

By revenue growth (latest reported year), Seagate Technology Holdings plc (STX) is pulling ahead at 38.

9% versus -12. 0% for Quantum Corporation (QMCO). On earnings-per-share growth, the picture is similar: Seagate Technology Holdings plc grew EPS 328. 5% year-over-year, compared to -159. 9% for Quantum Corporation. Over a 3-year CAGR, STX leads at -7. 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.

Seagate Technology Holdings plc (STX) is the more profitable company, earning 16.

1% net margin versus -42. 0% for Quantum Corporation — meaning it keeps 16. 1% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: STX leads at 20. 8% versus -15. 2% for QMCO. At the gross margin level — before operating expenses — QMCO leads at 40. 1%, 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.

Analyst consensus price targets imply the most upside for STX: -18.

6% to $623. 71.

In this comparison, STX (0.

4% yield) pays a dividend. QMCO does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Seagate Technology Holdings plc (STX) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding.

Quantum Corporation (QMCO) carries a higher beta of 3. 23 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (STX: +41. 0%, QMCO: -88. 1%), 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: QMCO is a small-cap quality compounder stock; STX is a mid-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.