Amarin Corporation plc (AMRN) Key Metrics

NASDAQ: AMRNValuation, returns, debt and efficiency ratios over 10 years.

AMRN valuation today

Trailing 12 months · as of October 17, 2026
Market cap
$237.4M
Enterprise value
−$21.7M
P/E (TTM)
—
Forward P/E
500.0
PEG ratio
0.81
Price / sales
1.3
10-yr median 2.7
Price / book
0.7
10-yr median 1.4
EV / EBITDA
—
Dividend yield
—
Beta
0.77

AMRN key metrics, 2016–2025

Fiscal year ended December 31, 2025 · U.S. dollars

AMRN valuation Price multiples at each fiscal year-end price.

Price / sales+55.5%
1.4
2025 · hover or tap a bar for each year
2016: 5.02017: 6.0 (+19.5%)2018: 17.6 (+194.5%)2019: 17.1 (−3.2%)2020: 3.0 (−82.2%)2021: 2.3 (−23.5%)2022: 1.3 (−43.5%)2023: 1.2 (−12.1%)2024: 0.9 (−24.6%)2025: 1.4 (+55.5%)
20162025
Price / book+53.8%
0.6
2025 · hover or tap a bar for each year
2018: 26.62019: 12.1 (−54.5%)2020: 3.0 (−75.4%)2021: 2.0 (−31.7%)2022: 0.8 (−59.9%)2023: 0.6 (−21.2%)2024: 0.4 (−36.2%)2025: 0.6 (+53.8%)
20162025
Price / free cash flow
42.9
2025 · hover or tap a bar for each year
2023: 51.52025: 42.9
20162025
Free cash flow yield+17.9 pts
2.3%
2025 · hover or tap a bar for each year
2016: −11.0%2017: −3.0% (+8.0 pts)2018: −2.3% (+0.7 pts)2019: −0.2% (+2.2 pts)2020: −1.2% (−1.0 pts)2021: −4.9% (−3.7 pts)2022: −37.1% (−32.2 pts)2023: 1.9% (+39.0 pts)2024: −15.6% (−17.5 pts)2025: 2.3% (+17.9 pts)
20162025

AMRN valuation history

Fiscal year-endToday10-year median

AMRN returns on capital

ROEROICROA

Net income (ROE, ROA) or after-tax operating income (ROIC) divided by the average of the opening and closing balance.

AMRN debt vs cash

Total debtCash & short-term investments

Debt includes short- and long-term borrowings and, where reported, lease liabilities.

AMRN cash returned to shareholders

DividendsBuybacksFree cash flow

AMRN price vs earnings per share

Share price at year-endEPS (right axis)

AMRN key metrics

2016–2025
Amarin Corporation plc key metrics by fiscal year
2025202420232022202120202019201820172016
Valuation
Market capitalization$289.6M$199.3M$354.7M$485.4M$1.36B$1.87B$7.34B$4.05B$1.09B$652.6M
Enterprise value−$1.1M−$87.2M$42.7M$186.1M$910.8M$1.38B$6.76B$3.88B$1.13B$670.8M
P/E ratio————175.5—————
Price / sales1.40.91.21.32.33.017.117.66.05.0
Price / book0.60.40.60.82.03.012.126.6——
Price / free cash flow42.9—51.5———————
Price / operating cash flow42.9—51.4———————
EV / sales-0.0-0.40.10.51.62.215.716.96.35.2
EV / EBITDA————63.8—————
EV / free cash flow——6.2———————
Earnings yield−13.4%−41.2%−16.7%−21.8%0.6%−1.0%−0.3%−2.9%−6.3%−13.2%
Free cash flow yield2.3%−15.6%1.9%−37.1%−4.9%−1.2%−0.2%−2.3%−3.0%−11.0%
Dividend yield—————0.4%0.0%0.7%——
Shareholder yield (dividends + buybacks)——0.6%0.2%0.7%1.2%0.0%0.8%0.3%0.2%
Share price at fiscal year-end$13.96$9.70$17.40$24.20$67.40$97.80$428.80$272.20$80.20$61.60
Per share
Revenue per share$10.30$11.13$15.06$18.41$28.98$32.17$25.09$15.42$13.38$12.28
Earnings per share−$1.87−$4.00−$2.90−$5.27$0.38−$0.94−$1.32−$7.84−$5.01−$8.15
Operating cash flow per share$0.33−$1.51$0.34−$8.97−$3.31−$1.14−$0.55−$6.37−$2.43−$6.78
Free cash flow per share$0.33−$1.51$0.34−$8.97−$3.31−$1.15−$0.69−$6.38−$2.43−$6.78
Cash per share$14.59$14.32$15.73$15.42$22.57$26.24$37.64$16.77$5.44$9.27
Book value per share$22.13$23.66$27.09$29.68$33.15$32.87$35.52$10.25−$4.81−$0.86
Tangible book value per share$20.85$22.86$26.14$28.60$31.98$32.15$34.62$9.75−$5.41−$1.68
Dividends per share—————$0.38$0.13$1.78——
Capex per share$0.00$0.00$0.00$0.00$0.00$0.01$0.14$0.00$0.00$0.00
Debt per share$0.59$0.38$0.43$0.50$0.43$0.48$3.48$5.41$9.06$10.99
Shares outstanding20.7M20.5M20.4M20.1M20.1M19.1M17.1M14.9M13.5M10.6M
Change in shares outstanding+1.0%+0.8%+1.6%−0.3%+5.4%+11.5%+15.2%+9.8%+27.7%—
Returns & profitability
Return on equity (ROE)−8.2%−15.8%−10.3%−16.8%1.2%−2.9%−6.0%−267.0%——
Return on invested capital (ROIC)−6.0%−33.0%−16.7%−32.3%4.0%−19.5%−572.6%——−429.4%
Return on assets (ROA)−5.7%−10.8%−6.9%−10.8%0.8%−1.9%−3.6%−42.6%−41.3%−50.7%
Return on tangible assets−6.0%−12.3%−7.3%−12.2%0.7%−1.9%−2.6%−30.8%−44.2%−54.6%
Free cash flow margin3.2%−13.6%2.2%−48.7%−11.4%−3.6%−2.8%−41.3%−18.1%−55.2%
Income quality (OCF / net income)————−8.61—————
Financial health
Total debt$12.2M$7.7M$8.7M$10.0M$8.6M$9.2M$59.6M$80.3M$122.7M$116.5M
Cash & short-term investments$302.8M$294.2M$320.7M$309.4M$454.1M$500.9M$644.6M$249.2M$73.6M$98.3M
Net debt−$290.6M−$286.5M−$311.9M−$299.3M−$445.6M−$491.8M−$585.0M−$168.9M$49.0M$18.2M
Debt / equity0.030.020.020.020.010.010.100.53——
Debt / assets0.020.010.010.010.010.010.070.210.760.70
Net debt / EBITDA————−31.21—————
Current ratio3.343.312.802.662.372.863.532.401.411.92
Quick ratio2.332.391.801.771.742.253.212.041.131.65
Interest coverage————81.4-7.5-3.7-12.2-4.7-3.5
Working capital$455.4M$415.4M$465.7M$429.6M$508.0M$571.8M$612.8M$220.7M$44.7M$70.1M
Invested capital$168.7M$199.7M$240.2M$296.0M$221.5M$135.7M$23.2M−$16.5M−$16.1M$9.1M
Tangible asset value$432.6M$469.8M$532.8M$573.6M$643.6M$613.7M$593.0M$144.8M−$73.2M−$17.8M
Net current asset value$438.4M$396.2M$445.4M$398.3M$477.8M$540.7M$581.1M$144.6M−$73.4M−$29.7M
Graham number————$16.93—————
Graham net-net per share$13.71$13.13$13.27$11.52$14.57$19.53$28.98$6.37−$7.68−$4.96
Capital allocation
Dividends paid—————$7.2M$2.2M$26.4M——
Share buybacks (net)——$2.0M$1.0M$9.6M$15.2M$0$6.2M$2.8M$1.1M
Dividends + buybacks / free cash flow——28.8%———————
Capex / revenue0.0%0.0%0.0%0.0%0.0%0.0%0.6%0.0%0.0%0.0%
Capex / operating cash flow0.0%—0.3%———————
Capex / depreciation0.000.000.010.000.000.122.880.090.020.03
Stock-based compensation / revenue6.5%7.7%5.1%7.1%6.3%7.5%7.2%8.2%7.7%10.5%
R&D / revenue9.3%9.1%7.2%8.2%5.0%6.3%8.0%24.4%26.0%38.4%
SG&A / revenue53.8%66.6%65.1%82.5%70.0%75.5%75.3%99.0%74.3%85.6%
Efficiency
Days sales outstanding212.8204.2157.3145.699.680.577.789.065.847.4
Days of inventory on hand712.0526.4629.1667.5637.1368.8255.8294.7206.1209.7
Days payables outstanding168.6115.4151.5258.6332.1216.4166.5210.1126.789.7
Cash conversion cycle (days)756.2615.2634.9554.5404.5233.0167.0173.6145.2167.5
Receivables turnover1.721.792.322.513.674.534.704.105.557.69
Payables turnover2.163.162.411.411.101.692.191.742.884.07
Inventory turnover0.510.690.580.550.570.991.431.241.771.74
Asset turnover0.320.300.360.380.570.660.680.841.100.76
Average receivables$124.6M$127.9M$132.3M$147.3M$159.1M$135.5M$91.5M$55.9M$32.7M$16.9M
Average payables$42.9M$46.6M$58.7M$89.8M$110.4M$77.9M$43.8M$31.4M$15.6M$8.4M
Average inventory$181.0M$212.3M$243.7M$231.7M$211.8M$132.8M$67.3M$44.0M$25.4M$19.7M
Intangibles / total assets4.0%2.4%2.3%2.5%2.2%1.4%1.7%1.9%5.0%5.3%

Computed from AMRN's annual financial statements (latest annual report filed March 2, 2026) and the closing share price on each fiscal year-end, adjusted for stock splits. Figures in U.S. dollars; data from EODHD. Averages use the opening and closing balance of each year.

AMRN valuation and financial ratios

Amarin earned a return on equity of −8.2% and a return on invested capital of −6.0% in fiscal 2025. It ended the year with $12.2 million of debt and $302.8 million in cash and short-term investments, a net cash position of $290.6 million. The share count rose 95.9% from 10.6M to 20.7M over 9 years.

See the AMRN income statement, the AMRN chart for price history, or the AMRN stock overview for the latest quote and news.

AMRN key metrics FAQ

What is Amarin's return on equity?

Amarin's return on equity (ROE) was −8.2% in fiscal 2025: net income of -$38.8 million on average shareholders' equity of $472.7 million.

What is Amarin's ROIC?

Amarin's return on invested capital was −6.0% in fiscal 2025, using after-tax operating income divided by average debt plus equity minus cash.

How much debt does Amarin have?

Amarin had total debt of $12.2 million at the end of fiscal 2025, a debt-to-equity ratio of 0.03 and more cash than debt.

What is Amarin's free cash flow yield?

Amarin generated $6.7 million of free cash flow in fiscal 2025, a free cash flow yield of 2.3% on its market value at year-end ($289.6 million).

What is Amarin's current ratio?

Amarin's current ratio was 3.34 at the end of fiscal 2025: current assets were 3.34 times current liabilities.

Drug Manufacturers - General key metrics