Amphastar Pharmaceuticals

AMPHNasdaq United States Health Care Biotechnology: Pharmaceutical Preparations

Market cap

$916.251 M

$20.78 +4.90%

Close of 7 Aug 2026

Revenue

$719.9M

#1725 by revenue

Earnings

$98.1M

#1326 by earnings

Shares outstanding

42,537,944

Latest filing cover page

P/E ratio

9.3

Cap ÷ net income

Biotechnology: Pharmaceutical Preparations — ranked by market cap

All 501 →

#167Collegium PharmaceuticalCOLL$955.8M
#168GeronGERN$950.9M
#169Amphastar PharmaceuticalsAMPH$916.3M
#170Arbutus BiopharmaABUS$914.6M
#171AnnexonANNX$886.4M

Where these numbers come from

Share counts and financials for Amphastar Pharmaceuticals are taken from its own SEC filings via EDGAR — public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Last updated 9 Aug 2026. Read the methodology.