INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

AlphaQuest LLC's Holding History (CIK: 0001883897)

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

Q4 2025

Shares 3,479 Value ($000) $1,108 Avg Close $353.55 Range $314.37 - $412.60

Q3 2025

Shares 1,975 Value ($000) $682 Avg Close $271.66 Range $213.06 - $360.30

Q2 2025

Shares 1,975 Value ($000) $443 Avg Close $211.87 Range $180.60 - $237.50

Q1 2025

Shares 2,055 Value ($000) $425 Avg Close $201.31 Range $169.58 - $231.97

Q4 2024

Shares 3,430 Value ($000) $664 Avg Close $174.85 Range $140.47 - $203.90

Q3 2024

Shares 10,659 Value ($000) $1,510 Avg Close $131.08 Range $115.10 - $143.96

Q2 2024

Shares 19,470 Value ($000) $2,269 Avg Close $106.87 Range $95.33 - $119.10

Q1 2024

Shares 4,568 Value ($000) $486 Avg Close $105.70 Range $100.55 - $119.86

Q4 2023

Shares 8,439 Value ($000) $916 Avg Close $92.54 Range $74.65 - $111.79

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,479	$1,108	$353.55	$314.37 - $412.60
Q3 2025	1,975	$682	$271.66	$213.06 - $360.30
Q2 2025	1,975	$443	$211.87	$180.60 - $237.50
Q1 2025	2,055	$425	$201.31	$169.58 - $231.97
Q4 2024	3,430	$664	$174.85	$140.47 - $203.90
Q3 2024	10,659	$1,510	$131.08	$115.10 - $143.96
Q2 2024	19,470	$2,269	$106.87	$95.33 - $119.10
Q1 2024	4,568	$486	$105.70	$100.55 - $119.86
Q4 2023	8,439	$916	$92.54	$74.65 - $111.79