Amphastar [AMPH] vs Perrigo Company plc [PRGO] Detailed Stock Comparison

Amphastar Pharmaceuticals Inc.

NASDAQ
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Perrigo Company plc

NYSE
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TLDR: Quick Comparison Summary

Based on 21 vital metrics comparison: Amphastar Pharmaceuticals Inc. wins in 12 metrics, Perrigo Company plc wins in 8 metrics, with 0 ties. Amphastar Pharmaceuticals Inc. appears stronger overall.

View Metrics Details

Vital Metrics Comparison

Metric Amphastar Pharmaceuticals Inc. Perrigo Company plc Better
P/E Ratio (TTM) 10.34 2,818.00 Amphastar Pharmaceuticals Inc.
Price-to-Book Ratio 1.24 0.55 Perrigo Company plc
Debt-to-Equity Ratio 83.16 131.16 Amphastar Pharmaceuticals Inc.
PEG Ratio -0.31 0.91 Perrigo Company plc
EV/EBITDA 6.11 7.26 Amphastar Pharmaceuticals Inc.
Profit Margin (TTM) 13.63% -33.51% Amphastar Pharmaceuticals Inc.
Operating Margin (TTM) 19.45% 10.20% Amphastar Pharmaceuticals Inc.
EBITDA Margin (TTM) 19.45% 10.20% Amphastar Pharmaceuticals Inc.
Return on Equity 12.90% -38.66% Amphastar Pharmaceuticals Inc.
Return on Assets (TTM) 6.37% 2.35% Amphastar Pharmaceuticals Inc.
Free Cash Flow (TTM) $118.98M $145.10M Perrigo Company plc
Dividend Yield N/A 9.92% N/A
1-Year Return -26.68% -58.72% Amphastar Pharmaceuticals Inc.
Price-to-Sales Ratio (TTM) 1.32 0.38 Perrigo Company plc
Enterprise Value $1.34B $4.93B Perrigo Company plc
EV/Revenue Ratio 1.87 1.16 Perrigo Company plc
Gross Profit Margin (TTM) 46.79% 32.64% Amphastar Pharmaceuticals Inc.
Revenue per Share (TTM) $15 $31 Perrigo Company plc
Earnings per Share (Diluted) $2.07 $-10.12 Amphastar Pharmaceuticals Inc.
Beta (Stock Volatility) 0.91 0.49 Perrigo Company plc
Short % of Float 16.32% 18.67% Amphastar Pharmaceuticals Inc.

Amphastar Pharmaceuticals Inc. vs Perrigo Company plc Stock Performance Analysis

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AMPH
PRGO

Performance Comparison

Short-term Returns

Stock1D1W1M3M6MYTD
Amphastar Pharmaceuticals Inc.-1.79%-5.13%-20.32%-8.62%-34.30%-31.52%
Perrigo Company plc0.00%-6.27%-8.17%-8.17%-25.07%-24.69%

Long-term Returns

Stock1Y3Y5Y10Y15Y20Y
Amphastar Pharmaceuticals Inc.-26.68%-59.64%0.32%19.46%79.52%79.52%
Perrigo Company plc-58.72%-66.51%-76.52%-88.64%-86.89%-34.38%

Performance & Financial Health Analysis: Amphastar Pharmaceuticals Inc. vs Perrigo Company plc

MetricAMPHPRGO
Market Information
Market Cap i$953.49M$1.61B
Market Cap CategorySmall capSmall cap
10 Day Avg. Volume i454,6912,169,621
90 Day Avg. Volume i496,5743,503,450
Last Close$18.12$10.46
52 Week Range$16.65 - $31.26$9.23 - $28.44
% from 52W High-42.03%-63.22%
All-Time High$67.66 (Aug 07, 2023)$215.73 (Apr 06, 2015)
% from All-Time High-73.22%-95.15%
Growth Metrics
Quarterly Revenue Growth-0.02%-0.03%
Quarterly Earnings Growth-0.36%-0.03%
Financial Health
Profit Margin (TTM) i0.14%-0.34%
Operating Margin (TTM) i0.19%0.10%
Return on Equity (TTM) i0.13%-0.39%
Debt to Equity (MRQ) i83.16131.16
Cash & Liquidity
Book Value per Share (MRQ)$17.28$21.33
Cash per Share (MRQ)$6.23$3.86
Operating Cash Flow (TTM) i$156.12M$238.50M
Levered Free Cash Flow (TTM) i$81.37M$28.33M
Dividends
Last 12-Month Dividend Yield iN/A9.92%
Last 12-Month Dividend iN/A$1.16

Valuation & Enterprise Metrics Analysis: Amphastar Pharmaceuticals Inc. vs Perrigo Company plc

MetricAMPH (Apr 26, 2026)PRGO (Apr 24, 2026)
Price Ratios
P/E Ratio (TTM) i10.342,818.00
Forward P/E i6.184.93
PEG Ratio i-0.310.91
Price to Sales (TTM) i1.320.38
Price to Book (MRQ) i1.240.55
Market Capitalization
Market Capitalization i$953.49M$1.61B
Enterprise Value i$1.34B$4.93B
Enterprise Value Metrics
Enterprise to Revenue i1.871.16
Enterprise to EBITDA i6.117.26
Risk & Other Metrics
Beta i0.910.49
Book Value per Share (MRQ) i$17.28$21.33

Financial Statements Comparison: Amphastar Pharmaceuticals Inc. vs Perrigo Company plc

Financial Metrics

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Revenue

Operating Margin

Profit Margin

Long Term Debt

Income Flow Analysis

Financial Statements Comparison

Income Statement

MetricAMPH (2025)PRGO (2025)
Revenue/Sales i719.89M4.25B
Cost of Goods Sold i363.83M2.76B
COGS % of Revenue i50.5%64.9%
Gross Profit i356.06M1.49B
Gross Margin i49.5%35.1%
Research & Development i85.84M95.40M
Operating Income (EBIT) i140.40M312.80M
Operating Margin i19.5%7.4%
EBITDA i212.31M637.10M
EBITDA Margin i29.5%15.0%
Pre-Tax Income i123.62M-1.30B
Pre-Tax Income % of Revenue i17.2%-30.5%
Income Tax i25.53M104.40M
Income Tax % of Revenue i3.5%2.5%
Net Income (Profit) i98.09M-1.43B
Profit Margin i13.6%-33.5%

Balance Sheet & Liquidity Metrics

MetricAMPH (2025)PRGO (2025)
Cash & Equivalents i170.18M531.60M
Total Current Assets i636.02M2.80B
Total Current Assets % of Revenue i88.3%65.8%
Total Current Liabilities i158.16M1.01B
Total Current Liabilities % of Revenue i22.0%23.8%
Long-Term Debt i646.43M3.60B
Long-Term Debt % of Revenue i89.8%84.7%
Total Shareholders Equity i788.81M2.94B
Retained Earnings i666.88M-3.68B
Retained Earnings % of Revenue i92.6%-86.5%
Property, Plant & Equipment i43.15M167.80M

Cash Flow Statement Comparison

MetricAMPH (2025)PRGO (2025)
Operating Cash Flow i157.11M-1.06B
Operating Cash Flow % of Revenue i21.8%-24.9%
Capital Expenditures i-34.88M-93.40M
Free Cash Flow i118.98M145.10M
FCF Margin i16.5%3.4%
Debt Repayment i-223,000-34.80M
Common Stock Repurchase i-75.59MN/A

Short Interest & Institutional Ownership Analysis

MetricAMPHPRGO
Shares Short i3.53M16.69M
Short Ratio i5.633.99
Short % of Float i16.32%18.67%
Shares Outstanding i45.65M137.62M
Float Shares i33.90M136.81M
% Held by Insiders i29.34%0.41%
% Held by Institutions i78.52%115.48%
% Held by Public i-7.86%-15.89%

Dividend Analysis & Yield Comparison: Amphastar Pharmaceuticals Inc. vs Perrigo Company plc

MetricAMPHPRGO
Last 12-Month Dividend iN/A$1.16
Last 12-Month Dividend Yield iN/A9.92%
3-Year Avg Annual Dividend iN/A$1.12
3-Year Avg Dividend Yield iN/A1.09%
3-Year Total Dividends iN/A$3.36
Ex-Dividend DateN/AMar 02, 2026