INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

&PARTNERS's Holding History (CIK: 0000107136)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 7,708 Value ($000) $2,455 Avg Close $353.55 Range $314.37 - $412.60

Q3 2025

Shares 8,934 Value ($000) $3,085 Avg Close $271.66 Range $213.06 - $360.30

Q2 2025

Shares 8,488 Value ($000) $1,908 Avg Close $211.87 Range $180.60 - $237.50

Q1 2025

Shares 3,414 Value ($000) $717 Avg Close $201.31 Range $169.58 - $231.97

Q4 2024

Shares 3,367 Value ($000) $685 Avg Close $174.85 Range $140.47 - $203.90

Q3 2024

Shares 2,612 Value ($000) $307 Avg Close $131.08 Range $115.10 - $143.96

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	7,708	$2,455	$353.55	$314.37 - $412.60
Q3 2025	8,934	$3,085	$271.66	$213.06 - $360.30
Q2 2025	8,488	$1,908	$211.87	$180.60 - $237.50
Q1 2025	3,414	$717	$201.31	$169.58 - $231.97
Q4 2024	3,367	$685	$174.85	$140.47 - $203.90
Q3 2024	2,612	$307	$131.08	$115.10 - $143.96