MAGN vs GPK vs IP vs PKG vs SON

For growth investors, Magnera Corp.

(MAGN) is the stronger pick with 46. 5% revenue growth year-over-year, versus -2. 2% for Graphic Packaging Holding Company (GPK). Graphic Packaging Holding Company (GPK) offers the better valuation at 7. 5x trailing P/E (13. 0x forward), making it the more compelling value choice. Analysts rate Graphic Packaging Holding Company (GPK) a "Buy" — 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.

On trailing P/E, Graphic Packaging Holding Company (GPK) is the cheapest at 7.

5x versus Packaging Corporation of America at 26. 0x. On forward P/E, Sonoco Products Company is actually cheaper at 8. 8x — notably different from the trailing picture, reflecting expected earnings growth. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Sonoco Products Company wins at 0. 62x versus Packaging Corporation of America's 1. 79x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Packaging Corporation of America (PKG) delivered a total return of +61.

6%, compared to -89. 5% for Magnera Corp. (MAGN). Over 10 years, the gap is even starker: PKG returned +299. 8% versus MAGN's -82. 3%. 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), Sonoco Products Company (SON) is the lower-risk stock at 0.

53β versus Magnera Corp. 's 1. 55β — meaning MAGN is approximately 192% more volatile than SON relative to the S&P 500. On balance sheet safety, International Paper Company (IP) carries a lower debt/equity ratio of 73% versus 189% for Magnera Corp. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Magnera Corp.

(MAGN) is pulling ahead at 46. 5% versus -2. 2% for Graphic Packaging Holding Company (GPK). On earnings-per-share growth, the picture is similar: Sonoco Products Company grew EPS 141. 2% year-over-year, compared to -527. 4% for International Paper Company. Over a 3-year CAGR, MAGN leads at 29. 0% 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.

Packaging Corporation of America (PKG) is the more profitable company, earning 8.

6% net margin versus -14. 1% for International Paper Company — meaning it keeps 8. 6% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: PKG leads at 14. 0% versus -11. 3% for IP. At the gross margin level — before operating expenses — IP leads at 29. 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.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, Sonoco Products Company (SON) is the more undervalued stock at a PEG of 0. 62x versus Packaging Corporation of America's 1. 79x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Sonoco Products Company (SON) trades at 8. 8x forward P/E versus 21. 8x for International Paper Company — 13. 0x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for MAGN: 48. 6% to $17. 50.

All stocks in this comparison pay dividends.

Magnera Corp. (MAGN) offers the highest yield at 100. 0%, versus 2. 2% for Packaging Corporation of America (PKG).

For long-horizon retirement investors, Sonoco Products Company (SON) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0.

53), 4. 0% yield). Magnera Corp. (MAGN) carries a higher beta of 1. 55 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (SON: +48. 6%, MAGN: -82. 3%), 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 (MAGN (Industrials) and GPK (Consumer Cyclical) and IP (Consumer Cyclical) and PKG (Consumer Cyclical) and SON (Consumer Cyclical)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: MAGN is a small-cap high-growth stock; GPK is a small-cap deep-value stock; IP is a mid-cap high-growth stock; PKG is a mid-cap quality compounder stock; SON 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.