TNGX vs AUPH vs PRAX vs IQV vs CRL

For growth investors, Tango Therapeutics, Inc.

(TNGX) is the stronger pick with 48. 3% revenue growth year-over-year, versus -100. 0% for Praxis Precision Medicines, Inc. (PRAX). Aurinia Pharmaceuticals Inc. (AUPH) offers the better valuation at 7. 3x trailing P/E (18. 6x forward), making it the more compelling value choice. Analysts rate Tango Therapeutics, Inc. (TNGX) 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.

On trailing P/E, Aurinia Pharmaceuticals Inc.

(AUPH) is the cheapest at 7. 3x versus IQVIA Holdings Inc. at 22. 8x. On forward P/E, IQVIA Holdings Inc. is actually cheaper at 14. 1x — notably different from the trailing picture, reflecting expected earnings growth.

Over the past 5 years, Tango Therapeutics, Inc.

(TNGX) delivered a total return of +117. 2%, compared to -46. 9% for Charles River Laboratories International, Inc. (CRL). Over 10 years, the gap is even starker: AUPH returned +508. 0% versus PRAX's -20. 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), Aurinia Pharmaceuticals Inc.

(AUPH) is the lower-risk stock at 0. 86β versus Tango Therapeutics, Inc. 's 1. 81β — meaning TNGX is approximately 110% more volatile than AUPH relative to the S&P 500. On balance sheet safety, Praxis Precision Medicines, Inc. (PRAX) carries a lower debt/equity ratio of 0% versus 2% for IQVIA Holdings Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Tango Therapeutics, Inc.

(TNGX) is pulling ahead at 48. 3% versus -100. 0% for Praxis Precision Medicines, Inc. (PRAX). On earnings-per-share growth, the picture is similar: Aurinia Pharmaceuticals Inc. grew EPS 51. 7% year-over-year, compared to -1555. 0% for Charles River Laboratories International, Inc.. Over a 3-year CAGR, TNGX leads at 35. 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.

Aurinia Pharmaceuticals Inc.

(AUPH) is the more profitable company, earning 101. 5% net margin versus -162. 9% for Tango Therapeutics, Inc. — meaning it keeps 101. 5% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: AUPH leads at 37. 1% versus -178. 4% for TNGX. At the gross margin level — before operating expenses — TNGX leads at 96. 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.

On forward earnings alone, IQVIA Holdings Inc.

(IQV) trades at 14. 1x forward P/E versus 18. 6x for Aurinia Pharmaceuticals Inc. — 4. 6x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for PRAX: 63. 3% to $544. 40.

None of the stocks in this comparison currently pay a material dividend.

All are effectively zero-yield and should be held for capital appreciation rather than income.

For long-horizon retirement investors, Aurinia Pharmaceuticals Inc.

(AUPH) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 86), +508. 0% 10Y return). Tango Therapeutics, Inc. (TNGX) carries a higher beta of 1. 81 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (AUPH: +508. 0%, TNGX: +129. 5%), 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: TNGX is a small-cap high-growth stock; AUPH is a small-cap high-growth stock; PRAX is a small-cap quality compounder stock; IQV is a mid-cap quality compounder stock; CRL 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.