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Jazz Pharmaceuticals plc (JAZZ)

Jazz Pharmaceuticals plc (JAZZ) stock — the fundamentals (P/E, market cap, valuation) and every material event, decoded in plain English.

Jazz Pharmaceuticals plc (JAZZ) stock — financials & valuation

Key numbers for Jazz Pharmaceuticals plc (JAZZ): P/E ratio, market cap, profit margins, returns, and whether the stock looks cheap or expensive versus its own 5-year range.

AllSight quality score: 65/100 — a percentile rank of Jazz Pharmaceuticals plc’s fundamentals against Manufacturing peers, weakest on financial health. A quality ranking, not a price prediction.

Market cap$15.1B
P / E16.1×
P / S3.3×
EV / EBITDA11.1×
Gross margin88.4%
Operating margin16.8%
Net margin20.4%
Return on equity19.6%
ROIC13.3%
Revenue growth12.6%
Debt / equity0.9×
Dividend yield0.0%

Is Jazz Pharmaceuticals plc overvalued? P/E looks fair vs its 5-year range; P/S looks overvalued vs its 5-year range; EV/EBITDA looks fair vs its 5-year range; P/B looks overvalued vs its 5-year range.

Independent of the events above — derived from Jazz Pharmaceuticals plc’s own financial statements and shown as context, never as advice.

Sep 23, 2026Debt refinanced
Jazz refinances $1.9B loan to 2033, trims interest margin 50 bps
Sep 15, 2026$820M acquisition
Jazz closes $820M Actio deal, buying rare-epilepsy potential still short on proof
Aug 31, 2026$1.25B notes issued
Jazz Pharmaceuticals closes $1.25B notes deal, trading cheap capital for dilution risk
Aug 25, 2026Ziihera approved
Jazz wins Ziihera GEA approval, but the PDUFA-day catalyst was already priced in
Aug 10, 2026
Jazz buys early-stage epilepsy asset for $820 million upfront
Aug 10, 2026
Jazz buys Actio for $820 million upfront, betting on ABS-1230
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