QTTB vs LLY vs MRK vs AZN vs ABBV vs KO

For growth investors, Eli Lilly and Company (LLY) is the stronger pick with 44.

7% revenue growth year-over-year, versus 1. 2% for Merck & Co. , Inc. (MRK). Q32 Bio Inc. (QTTB) offers the better valuation at 5. 2x trailing P/E, making it the more compelling value choice. Analysts rate Eli Lilly and Company (LLY) a "Buy" — based on 45 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, Q32 Bio Inc.

(QTTB) is the cheapest at 5. 2x versus AbbVie Inc. at 96. 1x. On forward P/E, AbbVie Inc. is actually cheaper at 16. 0x — 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: AstraZeneca PLC wins at 0. 80x versus The Coca-Cola Company's 2. 26x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Eli Lilly and Company (LLY) delivered a total return of +412.

1%, compared to -90. 5% for Q32 Bio Inc. (QTTB). Over 10 years, the gap is even starker: LLY returned +1485% versus QTTB's -96. 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), The Coca-Cola Company (KO) is the lower-risk stock at -0.

20β versus AstraZeneca PLC's 0. 66β — meaning AZN is approximately -430% more volatile than KO relative to the S&P 500. On balance sheet safety, Q32 Bio Inc. (QTTB) carries a lower debt/equity ratio of 37% versus 160% for Eli Lilly and Company — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Eli Lilly and Company (LLY) is pulling ahead at 44.

7% versus 1. 2% for Merck & Co. , Inc. (MRK). On earnings-per-share growth, the picture is similar: AstraZeneca PLC grew EPS 190. 7% year-over-year, compared to -0. 8% for AbbVie Inc.. Over a 3-year CAGR, QTTB leads at 100. 7% 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.

Q32 Bio Inc.

(QTTB) is the more profitable company, earning 55. 5% net margin versus 6. 9% for AbbVie Inc. — meaning it keeps 55. 5% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: LLY leads at 45. 6% versus 23. 4% for AZN. At the gross margin level — before operating expenses — QTTB leads at 99. 3%, 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, AstraZeneca PLC (AZN) is the more undervalued stock at a PEG of 0. 80x versus The Coca-Cola Company's 2. 26x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, AbbVie Inc. (ABBV) trades at 16. 0x forward P/E versus 30. 9x for Eli Lilly and Company — 15. 0x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for ABBV: 12. 8% to $256. 92.

In this comparison, ABBV (2.

9% yield), MRK (2. 7% yield), KO (2. 5% yield), AZN (1. 8% yield), LLY (0. 5% yield) pay a dividend. QTTB does not pay a meaningful dividend and should not be held primarily for income.

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

53), 0. 5% yield, +1485% 10Y return). Both have compounded well over 10 years (LLY: +1485%, QTTB: -96. 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.

These companies operate in different sectors (QTTB (Healthcare) and LLY (Healthcare) and MRK (Healthcare) and AZN (Healthcare) and ABBV (Healthcare) and KO (Consumer Defensive)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: QTTB is a small-cap deep-value stock; LLY is a mega-cap high-growth stock; MRK is a large-cap deep-value stock; AZN is a large-cap quality compounder stock; ABBV is a large-cap quality compounder stock; KO is a large-cap quality compounder stock. LLY, MRK, AZN, ABBV, KO pay a dividend while QTTB does not, making them suitable for different income and tax situations. 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.