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IRONWOOD PHARMACEUTICALS INC

IRWD Clue Score47
United States Fiscal year ends December CIK 0001446847
$3.82 -1.29% Close, 9 Oct 2026
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Price $3.82 −72.26% Close, 9 Oct 2026

Closing prices at the end of each trading day, from 12 Oct 2016. Not a live quote. Adjusted for share splits, so the line has no step at a split; dividends are not added back. P/E and P/FCF are the market value over the last full fiscal year's net income or free cash flow, as public on each day, so they step once a year when the annual report comes out. A hatched band marks a stretch with none: a year of net loss, or of cash burnt.

Revenue and profit

What the business sells, and what is left of it. Point at a year for the detail.
RevenueOperating incomeNet income
Fiscal year 2016Revenue274.0Operating income−51.9Net income−81.7Fiscal year 2017Revenue298.3 +8.9%Operating income−15.4Net income−116.9Fiscal year 2018Revenue346.6 +16.2%Operating income−150.7Net income−282.4EPS, diluted−1.85Fiscal year 2019Revenue428.4 +23.6%Operating income120.1Net income21.5EPS, diluted0.14Fiscal year 2020Revenue389.5 −9.1%Operating income142.9Net income106.2 +393.7%EPS, diluted0.66 +371.4%Fiscal year 2021Revenue413.8 +6.2%Operating income232.3Net income528.4 +397.7%EPS, diluted3.21 +386.4%Fiscal year 2022Revenue410.6 −0.8%Operating income250.3Net income175.1 −66.9%EPS, diluted0.96 −70.1%Fiscal year 2023Revenue442.7 +7.8%Operating income−945.4Net income−1,002.2 −672.5%EPS, diluted−6.45 −771.9%Fiscal year 2024Revenue351.4 −20.6%Operating income93.1Net income0.9EPS, diluted0.01Fiscal year 2025Revenue296.2 −15.7%Operating income98.5Net income24.0 +2,629.2%EPS, diluted0.15 +1,400.0%
FY2016FY2017FY2018FY2019FY2020FY2021FY2022FY2023FY2024FY2025
Revenue 274.0 298.3 346.6 428.4 389.5 413.8 410.6 442.7 351.4 296.2
Growth +8.9% +16.2% +23.6% −9.1% +6.2% −0.8% +7.8% −20.6% −15.7%
Operating income −51.9 −15.4 −150.7 120.1 142.9 232.3 250.3 −945.4 93.1 98.5
Net income −81.7 −116.9 −282.4 21.5 106.2 528.4 175.1 −1,002.2 0.9 24.0
Growth +393.7% +397.7% −66.9% −672.5% +2,629.2%
EPS, diluted n/a n/a −1.85 0.14 0.66 3.21 0.96 −6.45 0.01 0.15
Growth +371.4% +386.4% −70.1% −771.9% +1,400.0%

Margins

How much of each dollar of revenue it keeps. Point at a year for the detail.
Operating marginNet margin
Fiscal year 2016Operating margin−18.9%Net margin−29.8%Free cash flow margin−11.0%Fiscal year 2017Operating margin−5.2%Net margin−39.2%Free cash flow margin−34.7%Fiscal year 2018Operating margin−43.5%Net margin−81.5%Free cash flow margin−20.5%Fiscal year 2019Operating margin28.0%Net margin5.0%Free cash flow margin0.8%Fiscal year 2020Operating margin36.7%Net margin27.3%Free cash flow margin42.9%Fiscal year 2021Operating margin56.1%Net margin127.7%Free cash flow margin63.2%Fiscal year 2022Operating margin61.0%Net margin42.6%Free cash flow margin66.6%Fiscal year 2023Operating margin−213.5%Net margin−226.4%Free cash flow margin41.4%Fiscal year 2024Operating margin26.5%Net margin0.3%Free cash flow margin29.4%Fiscal year 2025Operating margin33.3%Net margin8.1%Free cash flow margin42.9%
FY2016FY2017FY2018FY2019FY2020FY2021FY2022FY2023FY2024FY2025
Operating margin −18.9% −5.2% −43.5% 28.0% 36.7% 56.1% 61.0% −213.5% 26.5% 33.3%
Net margin −29.8% −39.2% −81.5% 5.0% 27.3% 127.7% 42.6% −226.4% 0.3% 8.1%
Free cash flow margin −11.0% −34.7% −20.5% 0.8% 42.9% 63.2% 66.6% 41.4% 29.4% 42.9%

Cash flow

The cash the business makes, what it reinvests, and what it hands back. Point at a year for the detail.
Operating cash flowCapital expenditureFree cash flow
Fiscal year 2016Operating cash flow−25.9Capital expenditure−4.2Free cash flow−30.1Fiscal year 2017Operating cash flow−100.8Capital expenditure−2.8Free cash flow−103.6Fiscal year 2018Operating cash flow−70.9Capital expenditure−0.4Free cash flow−71.2Fiscal year 2019Operating cash flow10.7Capital expenditure−7.2Free cash flow3.5Fiscal year 2020Operating cash flow168.8Capital expenditure−1.8Free cash flow167.0 +4,622.7%Fiscal year 2021Operating cash flow261.9Capital expenditure−0.3Free cash flow261.6 +56.7%Buybacks−24.1Fiscal year 2022Operating cash flow273.8Capital expenditure−0.1Free cash flow273.6 +4.6%Buybacks−126.4Fiscal year 2023Operating cash flow183.4Capital expenditure−0.3Free cash flow183.2 −33.1%Fiscal year 2024Operating cash flow103.5Capital expenditure−0.1Free cash flow103.4 −43.5%Fiscal year 2025Operating cash flow127.0Capital expenditure−0.0Free cash flow127.0 +22.8%
FY2016FY2017FY2018FY2019FY2020FY2021FY2022FY2023FY2024FY2025
Operating cash flow −25.9 −100.8 −70.9 10.7 168.8 261.9 273.8 183.4 103.5 127.0
Capital expenditure −4.2 −2.8 −0.4 −7.2 −1.8 −0.3 −0.1 −0.3 −0.1 −0.0
Free cash flow −30.1 −103.6 −71.2 3.5 167.0 261.6 273.6 183.2 103.4 127.0
Growth +4,622.7% +56.7% +4.6% −33.1% −43.5% +22.8%
Buybacks n/a n/a n/a n/a n/a −24.1 −126.4 n/a n/a n/a

Balance sheet

What it holds against what it owes, at each year end. Point at a year for the detail.
CashTotal debt
Fiscal year 2016Cash54.0Shareholders’ equity66.7Fiscal year 2017Cash125.7Shareholders’ equity9.8Fiscal year 2018Cash173.2Shareholders’ equity−196.4Fiscal year 2019Cash177.0Shareholders’ equity−93.3Fiscal year 2020Cash362.6Total debt430.3Net cash (debt)−67.7Shareholders’ equity62.6Debt to equity6.87Fiscal year 2021Cash620.1Total debt454.2Net cash (debt)165.9Shareholders’ equity605.9Debt to equity0.75Fiscal year 2022Cash656.2Total debt396.3Net cash (debt)260.0Shareholders’ equity652.4Debt to equity0.61Fiscal year 2023Cash92.2Total debt397.9Net cash (debt)−305.7Shareholders’ equity−346.3Fiscal year 2024Cash88.6Total debt199.0Net cash (debt)−110.4Shareholders’ equity−301.3Fiscal year 2025Cash215.5Shareholders’ equity−261.8
FY2016FY2017FY2018FY2019FY2020FY2021FY2022FY2023FY2024FY2025
Cash 54.0 125.7 173.2 177.0 362.6 620.1 656.2 92.2 88.6 215.5
Total debt n/a n/a n/a n/a 430.3 454.2 396.3 397.9 199.0 n/a
Net cash (debt) n/a n/a n/a n/a −67.7 165.9 260.0 −305.7 −110.4 n/a
Shareholders’ equity 66.7 9.8 −196.4 −93.3 62.6 605.9 652.4 −346.3 −301.3 −261.8
Debt to equity n/a n/a n/a n/a 6.87 0.75 0.61 n/a n/a n/a

In millions of USD, except per-share figures and ratios. Fiscal years, as last filed with the SEC.

Financial statements FY2025 · 10-K

Ratios

Percentages worked out from the filed figures; debt to equity in times. Fiscal years ending December, each column as last filed with the SEC.
Click a line to chart it
Fiscal year FY2016 31 Dec 2016 FY2017 31 Dec 2017 FY2018 31 Dec 2018 FY2019 31 Dec 2019 FY2020 31 Dec 2020 FY2021 31 Dec 2021 FY2022 31 Dec 2022 FY2023 31 Dec 2023 FY2024 31 Dec 2024 FY2025 31 Dec 2025
Margins
−18.9% −5.2% −43.5% 28.0% 36.7% 56.1% 61.0% −213.5% 26.5% 33.3%
n/a n/a −56.0% 13.8% 27.9% 48.5% 61.5% −214.1% 18.6% 23.6%
−29.8% −39.2% −81.5% 5.0% 27.3% 127.7% 42.6% −226.4% 0.3% 8.1%
−11.0% −34.7% −20.5% 0.8% 42.9% 63.2% 66.6% 41.4% 29.4% 42.9%
Spending
50.9% 29.6% 29.2% 26.9% 22.6% 17.0% 10.8% 26.2% 31.7% 32.1%
63.3% 77.5% 63.4% 40.3% 35.9% 26.9% 28.3% 35.8% 41.1% 27.8%
1.5% 0.9% 0.1% 1.7% 0.5% 0.1% 0.0% 0.1% 0.0% 0.0%
n/a n/a n/a 0.0% 2.5% −163.4% 30.6% n/a 98.7% 65.7%
Returns
−122.5% −1,187.4% n/a n/a 169.5% 87.2% 26.8% n/a n/a n/a
−11.5% −19.3% −85.0% 5.3% 19.0% 46.9% 15.9% −212.8% 0.3% 6.1%
Balance and payout
n/a n/a n/a n/a 6.87 0.75 0.61 n/a n/a n/a
n/a n/a n/a n/a n/a n/a n/a n/a n/a 166.0%
n/a n/a n/a n/a n/a 9.2% 46.2% n/a n/a n/a