The Filing Desk

Protagonist Therapeutics vs Arcus Biosciences

Protagonist Therapeutics PTGX · Arcus Biosciences RCUS · Biotechnology

Arcus Biosciences reported revenue of $247 million in fiscal 2025, 5.4 times Protagonist Therapeutics' $46 million in fiscal 2025. Protagonist Therapeutics' revenue fell 89.4% in its latest year, and Arcus Biosciences' fell 4.3%. Protagonist Therapeutics had an operating margin of -343.6%, against -156.3% at Arcus Biosciences. Free cash flow was $56 million at Protagonist Therapeutics and −$484 million at Arcus Biosciences.

Side by side

Protagonist TherapeuticsArcus Biosciences
Latest fiscal yearFY2025, Dec 31, 2025FY2025, Dec 31, 2025
Revenue$46M$247M
Revenue growth−89.4%−4.3%
Revenue growth a year, last 5 years10.0%25.9%
Gross margin——
Operating margin−343.6%−156.3%
Net margin−282.8%−142.9%
Free cash flow$56M−$484M
Free cash flow margin121.9%−195.9%
Return on capital——
Net debt to EBITDA——
Dividends and buybacks$0M$0M
Change in diluted share count−2.3%19.2%
Last close$132.04$18.28
P/E at the last close28.0×—
Insider trades, last 12 monthssold $79.4 millionsold $11.0 million
Piotroski F-score—0 of 8
Amounts in each company's own currency, US$ unless marked (a foreign company may report in another), each company's latest fiscal year from its 10-K, or 20-F or 40-F for a foreign company. Growth rates compare with the year before; the five-year rate is the average a year. Free cash flow is cash from operations minus capital spending; return on capital is after-tax operating income over the money invested in the business; P/E is the last close over the latest earnings per share. Banks are measured differently (return on equity, efficiency ratio), so some rows apply to one company only.

Ten years

Revenue
US$ billions, fiscal years
Protagonist TherapeuticsArcus Biosciences
Operating margin
Percent of revenue
Protagonist TherapeuticsArcus Biosciences
Free cash flow
US$ billions. Cash from operations minus capital expenditure.
Protagonist TherapeuticsArcus Biosciences

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Source: the companies' Form 10-K filings, from SEC EDGAR, and the last close. For information only, not investment advice: the figures describe results, not which company is the better investment. The Filing Desk is not affiliated with either company. Full figures on the Protagonist Therapeutics and Arcus Biosciences pages.