INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

CONGRESS ASSET MANAGEMENT CO /MA's Holding History (CIK: 0000897378)

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

Q4 2025

Shares 351,196 Value ($000) $111,814 Avg Close $353.55 Range $314.37 - $412.60

Q3 2025

Shares 353,017 Value ($000) $121,872 Avg Close $271.66 Range $213.06 - $360.30

Q2 2025

Shares 343,752 Value ($000) $77,079 Avg Close $211.87 Range $180.60 - $237.50

Q1 2025

Shares 339,101 Value ($000) $70,109 Avg Close $201.31 Range $169.58 - $231.97

Q4 2024

Shares 323,061 Value ($000) $62,583 Avg Close $174.85 Range $140.47 - $203.90

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	351,196	$111,814	$353.55	$314.37 - $412.60
Q3 2025	353,017	$121,872	$271.66	$213.06 - $360.30
Q2 2025	343,752	$77,079	$211.87	$180.60 - $237.50
Q1 2025	339,101	$70,109	$201.31	$169.58 - $231.97
Q4 2024	323,061	$62,583	$174.85	$140.47 - $203.90