Interdigital, Inc. key statistics and ratios

In fiscal 2025, Interdigital, Inc. had return on equity of 41.5%, an operating margin of 55.3%, debt equal to 43.1% of equity and a current ratio of 1.84. Each ratio below is calculated from the figures on its income statement, balance sheet and cash flow pages.

Financial ratios

US$ thousands unless shown otherwise. Fiscal years, plus the last twelve months (LTM) when newer.

Interdigital, Inc.: financial ratios, annual
Fiscal year	2009Dec 2009	2010Dec 2010	2011Dec 2011	2012Dec 2012	2013Dec 2013	2014Dec 2014	2015Dec 2015	2016Dec 2016	2017Dec 2017	2018Dec 2018	2019Dec 2019	2020Dec 2020	2021Dec 2021	2022Dec 2022	2023Dec 2023	2024Dec 2024	2025Dec 2025	LTMSept 2026
Operating margin	38.3%	59.8%	44.7%	63.2%	26.0%	40.6%	47.2%	65.7%	56.6%	20.4%	11.9%	15.4%	16.7%	32.9%	40.3%	50.6%	55.3%	45.1%
Net margin	29.3%	38.9%	29.7%	41.0%	11.0%	24.4%	26.4%	46.4%	33.1%	21.2%	6.6%	12.5%	13.0%	20.5%	39.0%	41.3%	48.8%	38.5%
Free-cash-flow margin	106.5%	33.3%	−12.7%	26.2%	65.6%	56.5%	27.3%	64.3%	58.9%	46.9%	26.6%	42.3%	30.1%	61.8%	38.1%	30.6%	63.4%	37.8%
Return on equity	51.5%	58.8%	21.7%	54.9%	6.8%	20.1%	23.3%	49.0%	21.9%	7.2%	2.5%	5.8%	7.3%	12.7%	32.8%	49.9%	41.5%	26.8%
Return on assets	9.6%	17.2%	9.6%	26.5%	3.3%	8.8%	8.7%	19.3%	9.8%	3.7%	1.3%	2.8%	3.4%	5.3%	11.7%	19.9%	20.9%	14.9%
Asset turnover	0.33	0.44	0.32	0.65	0.30	0.36	0.33	0.42	0.30	0.18	0.20	0.22	0.26	0.26	0.30	0.48	0.43	0.39
Current ratio	2.78	3.47	4.44	4.71	6.78	3.84	2.53	2.87	3.71	5.71	3.33	3.39	2.83	4.96	1.33	1.70	1.84	1.90
Debt to equity	0.6%	3.5%	48.8%	55.6%	45.1%	71.1%	127.1%	42.7%	36.2%	35.4%	65.0%	51.7%	56.7%	83.7%	104.5%	55.0%	43.1%	24.6%
Interest cover (operating income ÷ interest)	—	—	—	—	—	—	6.9x	20.7x	16.9x	1.7x	0.9x	1.4x	2.8x	5.1x	4.9x	9.7x	11.5x	9.9x
Effective tax rate	22.6%	35.6%	28.2%	33.5%	42.0%	33.9%	35.7%	27.7%	41.6%	—	42.4%	−21.2%	26.7%	21.7%	10.0%	16.5%	13.4%	15.5%
R&D as % of revenue	21.5%	18.1%	21.1%	10.2%	19.9%	18.1%	16.5%	11.0%	14.2%	22.7%	23.5%	56.9%	47.1%	40.5%	—	—	—	—
SG&A as % of revenue	8.3%	7.2%	10.4%	5.6%	9.6%	9.1%	9.0%	7.8%	10.0%	16.6%	16.1%	13.6%	14.4%	—	—	—	—	—
Capital spending as % of revenue	1.4%	0.6%	1.3%	0.5%	1.4%	1.7%	0.8%	0.9%	0.4%	0.8%	1.4%	3.3%	0.6%	0.7%	0.8%	0.7%	1.9%	0.5%
Free cash flow ÷ net income	362.9%	85.5%	−42.7%	64.0%	598.6%	231.6%	103.7%	138.6%	178.0%	221.8%	405.8%	338.6%	231.3%	301.9%	97.8%	74.1%	130.0%	98.0%
Dividends ÷ net income	0.0%	0.0%	20.3%	30.6%	34.6%	23.4%	24.9%	10.1%	24.5%	74.5%	213.0%	96.1%	77.9%	45.2%	18.4%	11.7%	14.9%	22.9%
Dividends and buybacks ÷ free cash flow	7.9%	0.0%	—	135.5%	19.4%	75.1%	103.9%	22.4%	16.2%	110.2%	283.6%	28.6%	57.1%	41.3%	181.0%	40.8%	30.8%	51.1%

US$ thousands unless shown otherwise. Fiscal quarters.

Interdigital, Inc.: financial ratios, quarterly
Quarter	2024 Q4Dec 2024	2025 Q1Mar 2025	2025 Q2Jun 2025	2025 Q3Sept 2025	2025 Q4Dec 2025	2026 Q1Mar 2026	2026 Q2Jun 2026	2026 Q3Sept 2026
Operating margin	64.3%	62.6%	68.3%	46.0%	30.2%	40.0%	53.5%	51.4%
Net margin	52.7%	54.9%	60.1%	41.0%	27.2%	36.7%	44.7%	41.5%
Free-cash-flow margin	74.4%	−16.4%	34.8%	240.1%	39.9%	7.4%	31.1%	77.2%
Current ratio	1.70	1.76	1.96	1.89	1.84	1.88	1.74	1.90
Debt to equity	55.0%	50.3%	43.5%	43.0%	43.1%	35.2%	32.4%	24.6%

Returns use average equity or assets over the year. Return on equity is left blank when equity is negative or so small that the ratio says nothing (above ±200%); interest cover is left blank above 200 times. Price-based ratios such as P/E are on the valuation page.

Financial health

7 of 7 checks passed · September 30, 2026

What it owns · $2.2bn

Short-term assets $1.3bnLonger-term assets $832m

What it owes, and who funded it · $2.2bn

Short-term liabilities $699mLonger-term liabilities $210mShareholders' equity $1.2bn

Short-term assets cover short-term liabilities $1.3bn of assets due within a year against $699m of liabilities due within a year.
Short-term assets cover long-term liabilities $1.3bn short-term assets against $210m of longer-dated liabilities.
More cash than debt $639m of cash against $307m of debt.
Debt below 40% of shareholders' equity Debt is 25% of equity.
Debt burden no higher than five years ago Debt to equity moved from 56% to 25% over five years.
A year's operating cash flow covers at least 20% of debt $312m of operating cash flow against $307m of debt.
Operating profit covers interest at least five times over Operating income of $369m against $37m of interest.

From Interdigital, Inc.'s latest balance sheet as filed. Checks are fixed, documented rules (methodology), counted only where the company reports the figures — a dot means the filing doesn't break the item out. Descriptions of reported data, not advice.

Moat

43 /100

Weak moat

How hard Interdigital's competitive advantage looks for rivals to wear away, judged from 10 years of its own filings: returns on capital, pricing power, profit durability, cash conversion and discipline.

Returns on capital 7 / 20

Net income has been a median 5.4% of total assets over 10 years.
Durability 12 / 20

Operating margin has been a median 41.9%; its worst year was 5.6%.
Cash conversion 19 / 20

Free cash flow was positive in 9 of 10 years, at a median 39.2% of revenue.
Discipline 9 / 20

The diluted share count rose 11.6% over five years; stock-based pay has been a median 5.1% of revenue.

AI disruption exposure: High. In this industry, the core product is information work that AI systems increasingly perform. The score above includes a 15-point deduction for that exposure (58 before it).

A rules-based reading of reported figures, not a forecast and not investment advice. How the score is built: methodology.

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Figures from Interdigital, Inc.'s SEC filings (10-K and 10-Q), retrieved October 30, 2026. How we read and check them: methodology and data sources. Not investment advice. Back to Interdigital, Inc.