INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

XTX Topco Ltd's Holding History (CIK: 0001828301)

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

Q4 2025

Shares 1,859 Value ($000) $592 Avg Close $353.55 Range $314.37 - $412.60

Q3 2025

Shares 1,711 Value ($000) $591 Avg Close $271.66 Range $213.06 - $360.30

Q1 2025

Shares 1,251 Value ($000) $259 Avg Close $201.31 Range $169.58 - $231.97

Q4 2024

Shares 10,595 Value ($000) $2,052 Avg Close $174.85 Range $140.47 - $203.90

Q3 2023

Shares 5,056 Value ($000) $406 Avg Close $86.92 Range $79.20 - $98.69

Q1 2023

Shares 5,150 Value ($000) $375 Avg Close $69.61 Range $52.13 - $75.74

Q2 2021

Shares 4,250 Value ($000) $310 Avg Close $73.91 Range $63.74 - $85.75

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,859	$592	$353.55	$314.37 - $412.60
Q3 2025	1,711	$591	$271.66	$213.06 - $360.30
Q1 2025	1,251	$259	$201.31	$169.58 - $231.97
Q4 2024	10,595	$2,052	$174.85	$140.47 - $203.90
Q3 2023	5,056	$406	$86.92	$79.20 - $98.69
Q1 2023	5,150	$375	$69.61	$52.13 - $75.74
Q2 2021	4,250	$310	$73.91	$63.74 - $85.75