Across its top 20 institutional holders, IDCC's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 5/100, avg. turnover score 24/100).

Quarterly Activity

Recent Activity

+$4.3B

Total Buy Value

$4.2B

Total Sell Value

New buy68

Trim191

Add219

Sold out76

287

Net Buyers

267

Net Sellers

Smart Money Convergence

IDCC does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.

13F data as of 2026-06-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.

Insider Trading (Form 4)

Form 144 Pre-Sale Notices

Filings (90d)

$1.65M

Total Est. Value

6K shares

Planned Shares

Last Filed 2026-07-06

Filer	Title/Relationship	Filing Date	Planned Shares	Est. Value
RAJESH PANKAJ	Officer	2026-07-06	2K shares	$429K
Markley John D. Jr.	Director	2026-06-22	400 shares	$120K
RANKIN JEAN F	Director	2026-06-12	365 shares	$101K
Armaly Samir	Director	2026-06-12	470 shares	$130K
ABERLE DEREK K	Director	2026-06-12	522 shares	$144K
KRITZMACHER JOHN A	Director	2026-06-12	365 shares	$101K
Pankaj Rajesh	Officer	2026-06-11	2K shares	$435K
Pankaj Rajesh	Officer	2026-06-05	750 shares	$194K

Form 144 is a planned sale notice, not an executed transaction. Form 144 Tracker。

Beneficial Ownership (13D/13G)

Active 5%+ Holders

Data as of 2026-07-08

Reporting Person	Type	Filing Date	Shares	% of Class
T. Rowe Price Associates, Inc.	13G/A	2026-07-08	2.61M	10.1%

View all Schedule 13D/13G filings

Material Events (8-K)

No Form 8-K filings for this ticker

CUSIP

45867G101

FAQ

Who are the top institutional investors holding INTERDIGITAL INC (IDCC)?

Major stakeholders currently include BlackRock, Inc. ($1.1B), Price T Rowe Associates INC /md/ ($686.3M), Vanguard Portfolio Management LLC ($480.2M). Based on the latest 13F filings, there are a total of 566 tracked investment funds and institutions maintaining positions in IDCC.

What is the overall institutional sentiment toward IDCC recently?

Institutional sentiment appears Bearish (Net Selling). During the most recent reporting quarter, the stock experienced a net outflow of $562.1M, driven by 287 managers accumulating shares while 267 reduced their exposure.

Which institutions have been selling or reducing their IDCC positions?

In the latest period, 191 funds trimmed their holdings, and 76 managers completely exited their positions. The aggregate reported sell value was $4.2B.

Are there any notable investors adding IDCC to their portfolios?

Yes, buying activity remains notable. 68 institutions opened new positions in {ticker}, and 219 existing holders added to their shares. The total reported buy value for the quarter amounted to $4.3B.