ABCL vs BEAM vs TWST vs REGN vs ILMN

For growth investors, AbCellera Biologics Inc.

(ABCL) is the stronger pick with 160. 6% revenue growth year-over-year, versus -0. 8% for Illumina, Inc. (ILMN). Regeneron Pharmaceuticals, Inc. (REGN) offers the better valuation at 17. 2x trailing P/E (15. 5x forward), making it the more compelling value choice. Analysts rate AbCellera Biologics Inc. (ABCL) a "Buy" — based on 11 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, Regeneron Pharmaceuticals, Inc.

(REGN) is the cheapest at 17. 2x versus Illumina, Inc. at 26. 0x. On forward P/E, Regeneron Pharmaceuticals, Inc. is actually cheaper at 15. 5x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Regeneron Pharmaceuticals, Inc. wins at 2. 44x versus Illumina, Inc. 's 6. 43x.

Over the past 5 years, Regeneron Pharmaceuticals, Inc.

(REGN) delivered a total return of +43. 2%, compared to -81. 1% for AbCellera Biologics Inc. (ABCL). Over 10 years, the gap is even starker: TWST returned +306. 1% versus ABCL's -91. 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), Regeneron Pharmaceuticals, Inc.

(REGN) is the lower-risk stock at 0. 77β versus Twist Bioscience Corporation's 2. 41β — meaning TWST is approximately 214% more volatile than REGN relative to the S&P 500. On balance sheet safety, Regeneron Pharmaceuticals, Inc. (REGN) carries a lower debt/equity ratio of 9% versus 94% for Illumina, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), AbCellera Biologics Inc.

(ABCL) is pulling ahead at 160. 6% versus -0. 8% for Illumina, Inc. (ILMN). On earnings-per-share growth, the picture is similar: Illumina, Inc. grew EPS 170. 9% year-over-year, compared to 8. 2% for Regeneron Pharmaceuticals, Inc.. Over a 3-year CAGR, BEAM leads at 31. 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.

Regeneron Pharmaceuticals, Inc.

(REGN) is the more profitable company, earning 31. 4% net margin versus -194. 9% for AbCellera Biologics Inc. — meaning it keeps 31. 4% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: REGN leads at 24. 9% versus -289. 0% for ABCL. At the gross margin level — before operating expenses — REGN leads at 85. 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.

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, Regeneron Pharmaceuticals, Inc. (REGN) is the more undervalued stock at a PEG of 2. 44x versus Illumina, Inc. 's 6. 43x. Both stocks trade at elevated growth-adjusted valuations, so expected growth needs to materialise. On forward earnings alone, Regeneron Pharmaceuticals, Inc. (REGN) trades at 15. 5x forward P/E versus 27. 2x for Illumina, Inc. — 11. 8x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for ABCL: 33. 6% to $7. 00.

In this comparison, REGN (0.

5% yield) pays a dividend. ABCL, BEAM, TWST, ILMN do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Regeneron Pharmaceuticals, Inc.

(REGN) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 77)). AbCellera Biologics Inc. (ABCL) carries a higher beta of 2. 38 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (REGN: +91. 6%, ABCL: -91. 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 Healthcare sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: ABCL is a small-cap high-growth stock; BEAM is a small-cap high-growth stock; TWST is a small-cap high-growth stock; REGN is a mid-cap deep-value stock; ILMN is a mid-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.