InterDigital

Invents wireless and video tech and charges phone makers to use it.

Company Health

Property and holding companies carry the debts of the businesses they own, which makes these measures misleading, so we don’t give them a score.

Its yearly figures are still below.

Who owns it

1 of 23 own it · 1 bought more lately

bought lately

owns it

doesn’t own it

Didn’t report owning it: Whale Rock, Appaloosa, Melqart, Coatue, D1 Capital, Light Street, Lone Pine, Third Point, TCI, Pershing Square, Duquesne, Himalaya Capital, Greenlight, Giverny Capital, Semper Augustus, Akre

Their letters don’t mention it: Arquitos, Laughing Water, Alluvial, Bireme, Kingdom Capital, Saga Partners

From each fund’s latest 13F report (Jun 30, 2026). Funds that don’t file one: from their own letters.

The numbers

From InterDigital’s yearly reports. Tap a year to see its figures.

Sales and profit

Sales grew from $359 million in 2020 to $834 million in 2025, and it made a profit every year.

2025

Sales

$834 million

Profit

$407 million

Spare cash each year

It had cash to spare every year, ending with $529 million to spare in 2025.

2025

Spare cash

$529 million

Spare cash is the cash its business brought in, minus what it spent on buildings and equipment.

What it owns and what it owes

At the end of 2025 it owned $2.06 billion, including $739 million in cash, and owed $963 million.

Key facts

From its yearly report for 2025.

Sales

$834 million

Profit

$407 million

Spare cash

$529 million

Cash in the bank

$739 million

Everything it owes

$963 million

Year ends

December

Money shown in

U.S. dollars

Latest yearly report

10-K, filed Feb 5, 2026

Figures from InterDigital’s yearly reports to the SEC (EDGAR), collected Oct 12, 2026.

Not investment advice. Holdings come from public SEC reports and the funds’ own letters, and can be up to 4½ months old. How this works