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Amphastar Pharmaceuticals, Inc. (AMPH)

Price$23.18Cached quote
AMPHNasdaq
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Financial charts

Revenue

Net income

Free cash flow

Total cash / debt

CashTotal debt

Financial statements

14 annual periodsNewest to oldest
20252024202320222021202020192018201720162015201420132012
Revenue$719.9M$732.0M$644.4M$499.0M$437.8M$349.8M$322.4M$294.7M$240.2M$255.2M$251.5M$210.5M$229.7M$204.3M
Gross profit$356.1M$373.9M$351.1M$248.9M$199.7M$143.3M$131.9M$107.0M$90.5M$104.2M$77.3M$51.3M$87.0M$90.3M
Gross margin49.46%51.08%54.49%49.87%45.63%40.97%40.92%36.31%37.68%40.83%30.75%24.35%37.86%44.20%
Research & development$85.8M$73.9M$73.7M$74.8M$60.9M$67.2M$68.9M$57.6M$43.5M$41.5M$37.3M$28.9M$33.0M$31.2M
Operating expenses$215.7M$168.4M$154.1M$141.4M$129.9M$132.4M$132.0M$115.6M$91.8M$88.8M$84.2M$69.2M$69.5M$64.9M
Operating income$140.4M$205.4M$197.0M$107.5M$69.9M$11.0M−$39,000−$8.6M−$1.3M$15.4M−$6.9M−$18.0M$17.5M$25.4M
Operating margin19.50%28.06%30.57%21.54%15.96%3.13%−0.01%−2.93%−0.53%6.03%−2.74%−8.54%7.61%12.43%
EBITDA$197.1M$258.4M$222.7M$120.1M$80.1M$20.0M$7.0M−$2.6M$5.2M$30.1M$6.4M−$3.5M$30.6M$36.9M
EBITDA margin27.38%35.30%34.56%24.07%18.30%5.71%2.18%−0.87%2.14%11.78%2.53%−1.68%13.31%18.06%
Net income$98.1M$159.5M$137.5M$91.4M$62.1M$1.4M$48.9M−$5.7M$3.6M$9.8M−$2.8M−$10.7M$11.9M$18.1M
Net profit margin13.63%21.79%21.34%18.31%14.19%0.40%15.18%−1.95%1.52%3.85%−1.11%−5.08%5.16%8.86%
Basic EPSper basic share$2.10$3.29$2.85$1.88$1.30$0.03$1.04-$0.12$0.08$0.22-$0.06-$0.25$0.31$0.47
Diluted EPSper diluted share$2.03$3.06$2.60$1.74$1.25$0.03$0.98-$0.12$0.08$0.21-$0.06-$0.25$0.31$0.46
Review official source filings ↗

Owners

Reported shareholders

Reference date Jun 30, 2026
BlackRock, Inc. · 12.28% of listed sharesDIMENSIONAL FUND ADVISORS LP · 5.42% of listed sharesSTATE STREET CORP · 3.86% of listed sharesVANGUARD CAPITAL MANAGEMENT LLC · 3.48% of listed sharesAMERICAN CENTURY COMPANIES INC · 2.77% of listed sharesMARSHALL WACE, LLP · 2.51% of listed sharesGEODE CAPITAL MANAGEMENT, LLC · 2.28% of listed sharesFULLER & THALER ASSET MANAGEMENT, INC. · 2.23% of listed sharesD. E. Shaw & Co., Inc. · 2.09% of listed sharesVANGUARD PORTFOLIO MANAGEMENT LLC · 1.90% of listed sharesLSV ASSET MANAGEMENT · 1.51% of listed sharesRENAISSANCE TECHNOLOGIES LLC · 1.23% of listed sharesGOLDMAN SACHS GROUP INC · 1.19% of listed sharesSYSTEMATIC FINANCIAL MANAGEMENT LP · 1.03% of listed sharesMORGAN STANLEY · 1.02% of listed sharesUBS Group AG · 0.92% of listed sharesHRT FINANCIAL LP · 0.91% of listed sharesDENALI ADVISORS LLC · 0.88% of listed sharesNORTHERN TRUST CORP · 0.87% of listed sharesBridge City Capital, LLC · 0.80% of listed shares
12.28%of listed shares
BlackRock, Inc.5.22M shares · Jun 30, 2026
View holders
Top 20 reported holders of AMPH
Holder% owned
BlackRock, Inc.
12.28%5.22M shares
DIMENSIONAL FUND ADVISORS LP
5.42%2.31M shares
STATE STREET CORP
3.86%1.64M shares
VANGUARD CAPITAL MANAGEMENT LLC
3.48%1.48M shares
AMERICAN CENTURY COMPANIES INC
2.77%1.18M shares
MARSHALL WACE, LLP
2.51%1.07M shares
GEODE CAPITAL MANAGEMENT, LLC
2.28%969.84K shares
FULLER & THALER ASSET MANAGEMENT, INC.
2.23%949.24K shares
D. E. Shaw & Co., Inc.
2.09%887.05K shares
VANGUARD PORTFOLIO MANAGEMENT LLC
1.90%809.57K shares
LSV ASSET MANAGEMENT
1.51%642.01K shares
RENAISSANCE TECHNOLOGIES LLC
1.23%525.1K shares
GOLDMAN SACHS GROUP INC
1.19%505.36K shares
SYSTEMATIC FINANCIAL MANAGEMENT LP
1.03%437.38K shares
MORGAN STANLEY
1.02%434.84K shares
UBS Group AG
0.92%393.11K shares
HRT FINANCIAL LP
0.91%387.53K shares
DENALI ADVISORS LLC
0.88%375.97K shares
NORTHERN TRUST CORP
0.87%370.99K shares
Bridge City Capital, LLC
0.80%338.71K shares

Percentages use 42.53M shares of this listed class outstanding on Jun 30, 2026.

Gray completes the 100% scale. Reported positions may overlap; holders have different reporting dates.

Source: SEC Form 13F ↗Updated Sep 29, 2026 · Quarterly data

Insider buys & sells

Jul 1, 2024–Jun 30, 2026
Buys0$0.00 disclosed value
Sells (SEC code S)27$5.18M disclosed value
27 recent transactions
TransactionInsiderTypeSharesPriceValueOwned after
Dec 17, 2025Form 4Zhou RongSENIOR EVP, PRODUCTION CENTERSellCommon Stock9.8K$26.20$256.4K138.0K
Dec 12, 2025Form 4Petersen Floyd F.DirectorSellCommon Stock2.4K$25.92$62.9K71.4K
Dec 11, 2025Form 4Petersen Floyd F.DirectorSellCommon Stock1.7K$25.69$44.6K73.8K
Nov 25, 2025Form 4PRINS RICHARD KDirectorSellCommon Stock4.2K$27.10$113.3K35.2K
Nov 13, 2025Form 4Petersen Floyd F.DirectorSellCommon Stock16.7K$26.49$441.8K75.5K
Review ownership filings at SEC.gov ↗

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