Ironwood Pharmaceuticals, Inc. (IRWD) Cash Flow Statement

NASDAQ: IRWDOperating cash, capex, free cash flow and buybacks.

Where IRWD’s cash came from and went, 2025

December 31, 2025 · U.S. dollars
Cash from operations
$127.0M
+22.7% vs 2024
Capital expenditures
$34,000
0.0% of revenue
Free cash flow
$127.0M
42.9% margin
Returned to shareholders
—
Change in cash
$126.9M
cash at year-end $215.5M
Cash from operations: $127.0MCash from operations$127.0MAdded to cash: $126.9MAdded to cash$126.9M · 100%Capital expenditures: $34,000Capital expenditures$34,000 · 0%$127.0M
Cash from operations
$127.0M
Change in cash
$126.9M

Drawn to scale: where the cash came from and how it was used. Hover for values.

IRWD operating cash flow, capex and free cash flow

Operating cash flowCapital expendituresFree cash flowFCF margin (right axis)

IRWD cash flow trends, 2016–2025

Ironwood Pharmaceuticals, Inc. cash flow trends
MetricTrendThenLatestChange
Operating cash flow−$25.4M2016$127.0M2025—
Capital expenditures$104.2M2016$34,0002025−59.0%/yr
Free cash flow−$129.6M2016$127.0M2025—
Free cash flow margin−47.3%201642.9%2025+90.2 pts
Operating cash flow / net income0.5020195.292025+4.79
Stock-based compensation$29.2M2016$17.2M2025−5.7%/yr
Dividends paid$02016$111.2M2022—
Share buybacks (net)$02016$02024—
Capex / revenue38.0%20160.0%2025−38.0 pts

Change is the average annual growth (CAGR) or the difference between the first and latest year.

IRWD cash flow by activity

OperatingInvestingFinancingChange in cash

IRWD net income vs operating cash flow

Net incomeOperating cash flow

Operating cash flow above net income usually means earnings are backed by cash (depreciation and stock-based pay are non-cash expenses).

IRWD cash flow statement

Ironwood Pharmaceuticals, Inc. annual cash flow statement
2025202420232022202120202019201820172016
Operating activities
Net income$24.0M$880,000−$1.00B$175.1M$528.4M$106.2M$21.5M−$282.4M−$116.9M−$81.7M
Depreciation & amortization$1.9M$2.0M$1.6M$1.4M$1.5M$3.6M$5.6M$12.0M$14.6M$11.3M
Stock-based compensation$17.2M$29.9M$32.0M$27.0M$22.3M$31.2M$31.3M$44.0M$33.8M$29.2M
Change in working capital$39.6M$739,000$11.3M$2.8M$17.7M−$941,000−$100.0M$7.6M−$21.8M−$5.0M
Other non-cash items$44.2M$70.1M$1.14B$67.4M−$308.1M$28.9M$52.4M$147.9M−$9.3M$20.8M
Cash from operating activities$127.0M$103.5M$183.4M$273.8M$261.9M$168.8M$10.7M−$70.9M−$99.6M−$25.4M
Investing activities
Capital expenditures−$34,000−$142,000−$273,000−$136,000−$265,000−$1.8M−$7.2M−$8.6M−$4.2M−$104.2M
Investments (net)—−$142,000−$1.02B−$136,000−$265,000−$1.8M−$11.1M$95.9M$155.5M−$73.7M
Acquisitions & other investing$0$142,000−$3.9M$136,000$265,000$1.8M$7.2M$1.6M$135,000$225,000
Cash from investing activities−$34,000−$142,000−$1.03B−$136,000−$265,000−$1.8M−$11.1M$88.9M$151.5M−$177.7M
Financing activities
Dividends paid———−$111.2M————$0$0
Share repurchases & issuance (net)—$0$0−$126.4M−$24.1M$18.5M$13.6M$32.1M$26.4M$24.8M
Net borrowing (repayment)$0−$115.0M$300.0M−$120.7M−$120.7M−$120.7M$16.3M−$1.8M$8.5M−$29.0M
Shares issued$0$0$0$0$0$0$0$0$0$0
Other financing$216,000$8.0M−$22.8M$120.7M$140.3M$120.7M−$31.0M−$165,000−$15.1M$0
Cash from financing activities$216,000−$107.0M$277.2M−$237.6M−$4.5M$18.5M−$1.2M$30.1M$19.8M−$4.2M
Summary
Net change in cash$126.9M−$3.6M−$565.8M$36.1M$257.1M$185.5M−$1.6M$48.1M$71.7M−$207.3M
Cash at end of period$215.5M$88.6M$92.2M$657.9M$621.9M$364.8M$179.2M$180.8M$125.7M$54.0M
Free cash flow$127.0M$103.4M$183.2M$273.6M$261.6M$167.0M$3.5M−$79.5M−$103.8M−$129.6M
Free cash flow margin42.9%29.4%41.4%66.6%63.2%42.9%0.8%−22.9%−34.8%−47.3%
Capex / revenue0.0%0.0%0.1%0.0%0.1%0.5%1.7%2.5%1.4%38.0%
Operating cash flow / net income5.29117.67—1.560.501.590.50———

Negative numbers are cash paid out. Quarterly columns are labeled by the month the quarter ended. Figures in U.S. dollars as reported; data from EODHD.

IRWD cash generation

In fiscal 2025 (ended December 31, 2025), Ironwood Pharmaceuticals generated $127.0 million of cash from operations (up 22.7%) and spent $0.0 million on capital expenditures, leaving free cash flow of $127.0 million, 42.9% of revenue. Cash and equivalents rose by $126.9 million over the year.

Related: IRWD income statement, IRWD balance sheet. See the IRWD stock overview for the latest quote and news.

IRWD cash flow FAQ

What is Ironwood Pharmaceuticals's free cash flow?

Ironwood Pharmaceuticals's free cash flow was $127.0 million in fiscal 2025: $127.0 million of operating cash flow minus $0.0 million of capital expenditures It was $103.4 million a year earlier..

How much cash does Ironwood Pharmaceuticals generate from operations?

Ironwood Pharmaceuticals generated $127.0 million of cash from operating activities in fiscal 2025, 5.29 times its net income of $24.0 million.

How much does Ironwood Pharmaceuticals spend on capital expenditures?

Ironwood Pharmaceuticals spent $0.0 million on capital expenditures in fiscal 2025, 0.0% of revenue, compared with $0.1 million the year before.

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