Amphastar Pharmaceuticals (AMPH) Debt/Equity Ratio: History & Chart

Amphastar Pharmaceuticals, Inc.(AMPH)

Drug Manufacturers - Specialty & Generic · Rancho Cucamonga, CA

$25.79+0.42 (+1.67%)

Delayed quote: Oct 6, 2026, 1:35 PM EDT

About Amphastar Pharmaceuticals, Inc.

Amphastar Pharmaceuticals, Inc., established in 1996 and based in Rancho Cucamonga, California, functions as a biopharmaceutical enterprise. The company is engaged in the creation, production, commercialization, and distribution of both generic and proprietary pharmaceutical products, which include injectables, inhalants, and intranasal formulations. Its market presence extends across the United States, China, and France. Amphastar's operations are divided into two primary segments: Finished Pharmaceutical Products and Active Pharmaceutical Ingredients (API). The company's extensive product portfolio encompasses a variety of crucial medications. These feature Primatene Mist, an over-the-counter epinephrine inhaler for the temporary alleviation of mild asthma symptoms; Enoxaparin, a low molecular weight heparin utilized for the prevention and treatment of deep vein thrombosis; and Naloxone, an essential treatment for opioid overdose. Other significant offerings include emergency Glucagon injection kits; Cortrosyn, a diagnostic agent for adrenocortical insufficiency; and Amphadase, a bovine-sourced hyaluronidase injection that aids in the absorption and dispersion of other administered drugs. Amphastar additionally supplies Epinephrine injections for severe allergic reactions; various lidocaine products (such as a jelly for urological procedures and a topical solution for other applications); Phytonadione injection (Vitamin K1) for newborns; and specialized emergency syringe products for hospital use. Furthermore, the company provides Morphine injections for patient-controlled analgesia and Lorazepam injections for surgical and medical procedures. More advanced therapeutics consist of Neostigmine methylsulfate injection to manage myasthenia gravis and reverse muscle relaxant effects, and Isoproterenol hydrochloride injection for mild or transient episodes of heart block. Beyond its finished pharmaceutical goods, Amphastar also acts as a distributor for recombinant human insulin API and porcine insulin API. The company caters to a broad spectrum of healthcare providers, including hospitals, various care facilities, clinics, and physicians' offices.

Rancho Cucamonga, CA

1,976 employees

www.amphastar.com

Healthcare / Drug Manufacturers - Specialty & Generic

Sector: Healthcare
Industry: Drug Manufacturers - Specialty & Generic
CEO: Yongfeng Zhang

View full financials

AMPH Debt to Equity Ratio Metrics

DEBT TO EQUITY RATIO

0.90

DEBT TO EQUITY RATIO AVG TTM

0.87

DEBT TO EQUITY RATIO AVG 3Y

0.88

DEBT TO EQUITY RATIO AVG 5Y

0.64

DEBT TO EQUITY RATIO AVG 10Y

0.40

DEBT TO EQUITY RATIO AVG 15Y

N/A

DEBT TO EQUITY RATIO AVG 20Y

N/A

CURRENT VS TTM AVG

+3.57%

CURRENT VS 3Y AVG

+2.16%

CURRENT VS 5Y AVG

+40.38%

CURRENT VS 10Y AVG

+123.05%

CURRENT VS 15Y AVG

N/A

CURRENT VS 20Y AVG

N/A

SECTOR MEDIAN · HEALTHCARE

0.11

median of 739 covered companies

CURRENT VS SECTOR MEDIAN

+714.61%

vs the sector median at left

NAME	MARKET CAP	DEBT TO EQUITY RATIO	TTM	3Y	5Y
Amphastar Pharmaceuticals, Inc. (AMPH)	$1.14B	0.90	0.87	0.88	0.64
GoodRx Holdings, Inc. (GDRX)vs ›	$1.14B	0.83	0.81	0.86	0.88
Nektar Therapeutics (NKTR)vs ›	$1.15B	0.15	1.67	1.15	0.83
Harrow Health, Inc. (HROW)vs ›	$1.13B	19.79	4.04	3.72	3.78
Avalyn Pharma Inc. Common Stock (AVLN)vs ›	$1.13B	0.04	N/A	N/A	N/A
Tandem Diabetes Care, Inc. (TNDM)vs ›	$1.12B	5.67	2.33	1.73	1.38
OPKO Health, Inc. (OPK)vs ›	$1.10B	0.33	0.35	0.29	0.25
Damora Therapeutics, Inc. (DMRA)vs ›	$1.17B	0.00	0.05	0.03	0.02
STAAR Surgical Company (STAA)vs ›	$1.11B	0.10	0.11	0.10	0.10
Replimune Group, Inc. (REPL)vs ›	$1.10B	1.06	0.43	0.29	0.22

NAME

MARKET CAP

DEBT TO EQUITY RATIO

TTM

Amphastar Pharmaceuticals, Inc. (AMPH)

$1.14B

0.90

0.87

0.88

0.64

GoodRx Holdings, Inc. (GDRX)vs ›

$1.14B

0.83

0.81

0.86

0.88

Nektar Therapeutics (NKTR)vs ›

$1.15B

0.15

1.67

1.15

0.83

Harrow Health, Inc. (HROW)vs ›

$1.13B

19.79

4.04

3.72

3.78

Avalyn Pharma Inc. Common Stock (AVLN)vs ›

$1.13B

0.04

N/A

Tandem Diabetes Care, Inc. (TNDM)vs ›

$1.12B

5.67

2.33

1.73

1.38

OPKO Health, Inc. (OPK)vs ›

$1.10B

0.33

0.35

0.29

0.25

Damora Therapeutics, Inc. (DMRA)vs ›

$1.17B

0.00

0.05

0.03

0.02

STAAR Surgical Company (STAA)vs ›

$1.11B

0.10

0.11

0.10

Replimune Group, Inc. (REPL)vs ›

$1.10B

1.06

0.43

0.29

0.22

Debt to Equity Ratio FAQ

What is the debt to equity ratio for Amphastar Pharmaceuticals, Inc. (AMPH)?

The debt to equity ratio for AMPH stock is 0.90.

Is Amphastar Pharmaceuticals, Inc.'s debt to equity ratio high or low?

The debt to equity ratio of 0.90 is 40% above its 5-year average of 0.64, near the high end of its 5-year range (0.16–1.13).

What is the TTM average debt to equity ratio for Amphastar Pharmaceuticals, Inc. (AMPH)?

The TTM average debt to equity ratio for AMPH stock is 0.87.

What is the 3Y average debt to equity ratio for Amphastar Pharmaceuticals, Inc. (AMPH)?

The 3Y average debt to equity ratio for AMPH stock is 0.88.

What is the 5Y average debt to equity ratio for Amphastar Pharmaceuticals, Inc. (AMPH)?

The 5Y average debt to equity ratio for AMPH stock is 0.64.

What is the 10Y average debt to equity ratio for Amphastar Pharmaceuticals, Inc. (AMPH)?

The 10Y average debt to equity ratio for AMPH stock is 0.40.

DATE	DEBT TO EQUITY RATIO
2026-06-30	0.90
2026-03-31	0.89
2025-12-31	0.83
2025-09-30	0.85
2025-06-30	0.87
2025-03-31	0.87
2024-12-31	0.89
2024-09-30	0.87
2024-06-30	0.87
2024-03-31	0.93
2023-12-31	0.98
2023-09-30	1.13
2023-06-30	0.90
2023-03-31	0.19
2022-12-31	0.19
2022-09-30	0.20
2022-06-30	0.21
2022-03-31	0.22
2021-12-31	0.23
2021-09-30	0.25
2021-06-30	0.16
2021-03-31	0.16
2020-12-31	0.17
2020-09-30	0.16
2020-06-30	0.16
2020-03-31	0.18
2019-12-31	0.17
2019-09-30	0.17
2019-06-30	0.17
2019-03-31	0.19
2018-12-31	0.15
2018-09-30	0.16
2018-06-30	0.16
2018-03-31	0.14
2017-12-31	0.14
2017-09-30	0.15
2017-06-30	0.14
2017-03-31	0.11
2016-12-31	0.11
2016-09-30	0.13
2016-06-30	0.14
2016-03-31	0.14
2015-12-31	0.14
2015-09-30	0.16
2015-06-30	0.17
2015-03-31	0.17
2014-12-31	0.16
2014-09-30	0.18
2014-06-30	0.19
2014-03-31	0.16
2013-12-31	0.13
2013-09-30	0.13
2013-06-30	0.00
2013-03-31	0.00
2012-12-31	0.00

DATE

DEBT TO EQUITY RATIO

2026-06-30

0.90

2026-03-31

0.89

2025-12-31

0.83

2025-09-30

0.85

2025-06-30

0.87

2025-03-31

0.87

2024-12-31

0.89

2024-09-30

0.87

2024-06-30

0.87

2024-03-31

0.93

2023-12-31

0.98

2023-09-30

1.13

2023-06-30

0.90

2023-03-31

0.19

2022-12-31

0.19

2022-09-30

0.20

2022-06-30

0.21

2022-03-31

0.22

2021-12-31

0.23

2021-09-30

0.25

2021-06-30

0.16

2021-03-31

0.16

2020-12-31

0.17

2020-09-30

0.16

2020-06-30

0.16

2020-03-31

0.18

2019-12-31

0.17

2019-09-30

0.17

2019-06-30

0.17

2019-03-31

0.19

2018-12-31

0.15

2018-09-30

0.16

2018-06-30

0.16

2018-03-31

0.14

2017-12-31

0.14

2017-09-30

0.15

2017-06-30

0.14

2017-03-31

0.11

2016-12-31

0.11

2016-09-30

0.13

2016-06-30

0.14

2016-03-31

0.14

2015-12-31

0.14

2015-09-30

0.16

2015-06-30

0.17

2015-03-31

0.17

2014-12-31

0.16

2014-09-30

0.18

2014-06-30

0.19

2014-03-31

0.16

2013-12-31

0.13

2013-09-30

0.13

2013-06-30

0.00

2013-03-31

0.00

2012-12-31

0.00

Debt to Equity Ratio: 0.90

AMPH Debt to Equity Ratio

AMPH Average Debt to Equity Ratio Chart

AMPH Current vs Average Debt to Equity Ratio Chart

AMPH Debt to Equity Ratio Metrics

AMPH Competitors' Debt to Equity Ratio

Financial Health

Debt to Equity Ratio Formula & Definition

Debt to Equity Ratio FAQ

AMPH Debt to Equity Ratio History

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