INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q4 2025

Shares 4,396 Value ($000) $1,400 Avg Close $353.55 Range $314.37 - $412.60

Q3 2025

Shares 8,163 Value ($000) $2,818 Avg Close $271.66 Range $213.06 - $360.30

Q2 2025

Shares 7,463 Value ($000) $1,673 Avg Close $211.87 Range $180.60 - $237.50

Q1 2024

Shares 4 Value ($000) $0 Avg Close $105.70 Range $100.55 - $119.86

Q3 2023

Shares 822 Value ($000) $66 Avg Close $86.92 Range $79.20 - $98.69

Q2 2023

Shares 5,112 Value ($000) $494 Avg Close $80.98 Range $66.82 - $97.62

Q1 2023

Shares 344 Value ($000) $25 Avg Close $69.61 Range $52.13 - $75.74

Q4 2019

Shares 7,277 Value ($000) $397 Avg Close $55.25 Range $49.84 - $60.33

Q3 2019

Shares 1,769 Value ($000) $93 Avg Close $56.51 Range $47.02 - $66.95

Q4 2018

Shares 10,494 Value ($000) $697 Avg Close $72.85 Range $62.34 - $80.75

Q3 2018

Shares 26,929 Value ($000) $2,154 Avg Close $81.96 Range $78.65 - $85.85

Q2 2018

Shares 4,953 Value ($000) $401 Avg Close $79.55 Range $71.75 - $85.50

Q1 2018

Shares 368 Value ($000) $27 Avg Close $76.57 Range $69.33 - $81.70

Q4 2017

Shares 7,222 Value ($000) $550 Avg Close $74.74 Range $70.60 - $78.10

Q3 2017

Shares 3,785 Value ($000) $279 Avg Close $73.19 Range $67.55 - $81.85

Q2 2017

Shares 3,016 Value ($000) $233 Avg Close $83.80 Range $77.20 - $93.00

Q1 2017

Shares 2,162 Value ($000) $187 Avg Close $89.86 Range $83.15 - $102.30

Q4 2016

Shares 10,879 Value ($000) $994 Avg Close $80.20 Range $68.10 - $98.00

Q3 2016

Shares 2,145 Value ($000) $170 Avg Close $66.77 Range $52.33 - $79.92

Q1 2016

Shares 2,807 Value ($000) $156 Avg Close $48.28 Range $41.01 - $55.85

Q4 2015

Shares 3,832 Value ($000) $188 Avg Close $50.76 Range $46.78 - $54.95

Q4 2014

Shares 5,570 Value ($000) $295 Avg Close $48.18 Range $38.64 - $54.90

Q3 2014

Shares 8,306 Value ($000) $331 Avg Close $44.00 Range $39.40 - $48.93

Q2 2014

Shares 14,272 Value ($000) $682 Avg Close $38.65 Range $31.45 - $49.10

Q1 2014

Shares 9,862 Value ($000) $327 Avg Close $29.77 Range $26.25 - $33.60

Q4 2013

Shares 2,958 Value ($000) $87 Avg Close $33.88 Range $28.53 - $39.87

Q2 2013

Shares 607 Value ($000) $27 Avg Close $44.80 Range $38.60 - $48.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,396	$1,400	$353.55	$314.37 - $412.60
Q3 2025	8,163	$2,818	$271.66	$213.06 - $360.30
Q2 2025	7,463	$1,673	$211.87	$180.60 - $237.50
Q1 2024	4	$0	$105.70	$100.55 - $119.86
Q3 2023	822	$66	$86.92	$79.20 - $98.69
Q2 2023	5,112	$494	$80.98	$66.82 - $97.62
Q1 2023	344	$25	$69.61	$52.13 - $75.74
Q4 2019	7,277	$397	$55.25	$49.84 - $60.33
Q3 2019	1,769	$93	$56.51	$47.02 - $66.95
Q4 2018	10,494	$697	$72.85	$62.34 - $80.75
Q3 2018	26,929	$2,154	$81.96	$78.65 - $85.85
Q2 2018	4,953	$401	$79.55	$71.75 - $85.50
Q1 2018	368	$27	$76.57	$69.33 - $81.70
Q4 2017	7,222	$550	$74.74	$70.60 - $78.10
Q3 2017	3,785	$279	$73.19	$67.55 - $81.85
Q2 2017	3,016	$233	$83.80	$77.20 - $93.00
Q1 2017	2,162	$187	$89.86	$83.15 - $102.30
Q4 2016	10,879	$994	$80.20	$68.10 - $98.00
Q3 2016	2,145	$170	$66.77	$52.33 - $79.92
Q1 2016	2,807	$156	$48.28	$41.01 - $55.85
Q4 2015	3,832	$188	$50.76	$46.78 - $54.95
Q4 2014	5,570	$295	$48.18	$38.64 - $54.90
Q3 2014	8,306	$331	$44.00	$39.40 - $48.93
Q2 2014	14,272	$682	$38.65	$31.45 - $49.10
Q1 2014	9,862	$327	$29.77	$26.25 - $33.60
Q4 2013	2,958	$87	$33.88	$28.53 - $39.87
Q2 2013	607	$27	$44.80	$38.60 - $48.60