INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

COMERICA BANK's Holding History (CIK: 0000901541)

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

Q4 2025

Shares 19,949 Value ($000) $6,352 Avg Close $353.55 Range $314.37 - $412.60

Q3 2025

Shares 21,617 Value ($000) $7,463 Avg Close $271.66 Range $213.06 - $360.30

Q2 2025

Shares 9,378 Value ($000) $2,103 Avg Close $211.87 Range $180.60 - $237.50

Q1 2025

Shares 9,052 Value ($000) $1,871 Avg Close $201.31 Range $169.58 - $231.97

Q4 2024

Shares 9,020 Value ($000) $1,747 Avg Close $174.85 Range $140.47 - $203.90

Q3 2024

Shares 9,103 Value ($000) $1,289 Avg Close $131.08 Range $115.10 - $143.96

Q2 2024

Shares 9,395 Value ($000) $1,095 Avg Close $106.87 Range $95.33 - $119.10

Q1 2024

Shares 10,830 Value ($000) $1,153 Avg Close $105.70 Range $100.55 - $119.86

Q4 2023

Shares 12,847 Value ($000) $1,394 Avg Close $92.54 Range $74.65 - $111.79

Q3 2023

Shares 12,290 Value ($000) $986 Avg Close $86.92 Range $79.20 - $98.69

Q4 2022

Shares 17,757 Value ($000) $1 Avg Close $48.77 Range $43.87 - $51.48

Q3 2022

Shares 22,677 Value ($000) $1,112 Avg Close $53.92 Range $40.23 - $64.00

Q2 2022

Shares 26,272 Value ($000) $1,626 Avg Close $61.35 Range $56.13 - $67.14

Q1 2022

Shares 26,102 Value ($000) $1,600 Avg Close $66.45 Range $61.36 - $73.97

Q4 2021

Shares 25,992 Value ($000) $1,737 Avg Close $69.71 Range $65.79 - $74.27

Q3 2021

Shares 27,863 Value ($000) $1,898 Avg Close $69.30 Range $63.34 - $75.25

Q2 2021

Shares 28,820 Value ($000) $2,007 Avg Close $73.91 Range $63.74 - $85.75

Q1 2021

Shares 17,149 Value ($000) $1,244 Avg Close $65.36 Range $59.93 - $69.02

Q4 2020

Shares 18,067 Value ($000) $1,227 Avg Close $59.88 Range $54.37 - $63.74

Q3 2020

Shares 18,469 Value ($000) $1,090 Avg Close $60.07 Range $54.62 - $67.06

Q2 2020

Shares 18,874 Value ($000) $1,118 Avg Close $53.16 Range $41.61 - $62.66

Q1 2020

Shares 17,806 Value ($000) $863 Avg Close $52.66 Range $31.04 - $64.22

Q4 2019

Shares 17,765 Value ($000) $1,012 Avg Close $55.25 Range $49.84 - $60.33

Q3 2019

Shares 17,776 Value ($000) $981 Avg Close $56.51 Range $47.02 - $66.95

Q2 2019

Shares 18,297 Value ($000) $1,210 Avg Close $66.69 Range $62.43 - $72.66

Q1 2019

Shares 20,860 Value ($000) $1,438 Avg Close $69.51 Range $64.12 - $74.03

Q4 2018

Shares 21,880 Value ($000) $1,565 Avg Close $72.85 Range $62.34 - $80.75

Q3 2018

Shares 22,038 Value ($000) $1,583 Avg Close $81.96 Range $78.65 - $85.85

Q2 2018

Shares 26,189 Value ($000) $2,171 Avg Close $79.55 Range $71.75 - $85.50

Q1 2018

Shares 27,003 Value ($000) $2,143 Avg Close $76.57 Range $69.33 - $81.70

Q4 2017

Shares 27,048 Value ($000) $2,130 Avg Close $74.74 Range $70.60 - $78.10

Q3 2017

Shares 26,922 Value ($000) $1,944 Avg Close $73.19 Range $67.55 - $81.85

Q2 2017

Shares 26,885 Value ($000) $2,127 Avg Close $83.80 Range $77.20 - $93.00

Q1 2017

Shares 26,406 Value ($000) $2,413 Avg Close $89.86 Range $83.15 - $102.30

Q4 2016

Shares 25,253 Value ($000) $2,277 Avg Close $80.20 Range $68.10 - $98.00

Q3 2016

Shares 23,747 Value ($000) $1,865 Avg Close $66.77 Range $52.33 - $79.92

Q2 2016

Shares 23,694 Value ($000) $1,604 Avg Close $56.52 Range $51.97 - $59.83

Q1 2016

Shares 23,403 Value ($000) $1,335 Avg Close $48.28 Range $41.01 - $55.85

Q4 2015

Shares 24,389 Value ($000) $1,120 Avg Close $50.76 Range $46.78 - $54.95

Q3 2015

Shares 24,871 Value ($000) $1,258 Avg Close $51.62 Range $44.28 - $57.77

Q2 2015

Shares 49,676 Value ($000) $2,826 Avg Close $55.81 Range $49.57 - $60.69

Q1 2015

Shares 25,606 Value ($000) $1,299 Avg Close $51.89 Range $47.76 - $56.27

Q4 2014

Shares 51,584 Value ($000) $2,728 Avg Close $48.18 Range $38.64 - $54.90

Q3 2014

Shares 28,889 Value ($000) $1,150 Avg Close $44.00 Range $39.40 - $48.93

Q2 2014

Shares 28,569 Value ($000) $1,366 Avg Close $38.65 Range $31.45 - $49.10

Q1 2014

Shares 31,773 Value ($000) $1,052 Avg Close $29.77 Range $26.25 - $33.60

Q4 2013

Shares 32,004 Value ($000) $944 Avg Close $33.88 Range $28.53 - $39.87

Q3 2013

Shares 34,075 Value ($000) $1,272 Avg Close $37.73 Range $35.02 - $41.24

Q2 2013

Shares 34,028 Value ($000) $1,519 Avg Close $44.80 Range $38.60 - $48.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	19,949	$6,352	$353.55	$314.37 - $412.60
Q3 2025	21,617	$7,463	$271.66	$213.06 - $360.30
Q2 2025	9,378	$2,103	$211.87	$180.60 - $237.50
Q1 2025	9,052	$1,871	$201.31	$169.58 - $231.97
Q4 2024	9,020	$1,747	$174.85	$140.47 - $203.90
Q3 2024	9,103	$1,289	$131.08	$115.10 - $143.96
Q2 2024	9,395	$1,095	$106.87	$95.33 - $119.10
Q1 2024	10,830	$1,153	$105.70	$100.55 - $119.86
Q4 2023	12,847	$1,394	$92.54	$74.65 - $111.79
Q3 2023	12,290	$986	$86.92	$79.20 - $98.69
Q4 2022	17,757	$1	$48.77	$43.87 - $51.48
Q3 2022	22,677	$1,112	$53.92	$40.23 - $64.00
Q2 2022	26,272	$1,626	$61.35	$56.13 - $67.14
Q1 2022	26,102	$1,600	$66.45	$61.36 - $73.97
Q4 2021	25,992	$1,737	$69.71	$65.79 - $74.27
Q3 2021	27,863	$1,898	$69.30	$63.34 - $75.25
Q2 2021	28,820	$2,007	$73.91	$63.74 - $85.75
Q1 2021	17,149	$1,244	$65.36	$59.93 - $69.02
Q4 2020	18,067	$1,227	$59.88	$54.37 - $63.74
Q3 2020	18,469	$1,090	$60.07	$54.62 - $67.06
Q2 2020	18,874	$1,118	$53.16	$41.61 - $62.66
Q1 2020	17,806	$863	$52.66	$31.04 - $64.22
Q4 2019	17,765	$1,012	$55.25	$49.84 - $60.33
Q3 2019	17,776	$981	$56.51	$47.02 - $66.95
Q2 2019	18,297	$1,210	$66.69	$62.43 - $72.66
Q1 2019	20,860	$1,438	$69.51	$64.12 - $74.03
Q4 2018	21,880	$1,565	$72.85	$62.34 - $80.75
Q3 2018	22,038	$1,583	$81.96	$78.65 - $85.85
Q2 2018	26,189	$2,171	$79.55	$71.75 - $85.50
Q1 2018	27,003	$2,143	$76.57	$69.33 - $81.70
Q4 2017	27,048	$2,130	$74.74	$70.60 - $78.10
Q3 2017	26,922	$1,944	$73.19	$67.55 - $81.85
Q2 2017	26,885	$2,127	$83.80	$77.20 - $93.00
Q1 2017	26,406	$2,413	$89.86	$83.15 - $102.30
Q4 2016	25,253	$2,277	$80.20	$68.10 - $98.00
Q3 2016	23,747	$1,865	$66.77	$52.33 - $79.92
Q2 2016	23,694	$1,604	$56.52	$51.97 - $59.83
Q1 2016	23,403	$1,335	$48.28	$41.01 - $55.85
Q4 2015	24,389	$1,120	$50.76	$46.78 - $54.95
Q3 2015	24,871	$1,258	$51.62	$44.28 - $57.77
Q2 2015	49,676	$2,826	$55.81	$49.57 - $60.69
Q1 2015	25,606	$1,299	$51.89	$47.76 - $56.27
Q4 2014	51,584	$2,728	$48.18	$38.64 - $54.90
Q3 2014	28,889	$1,150	$44.00	$39.40 - $48.93
Q2 2014	28,569	$1,366	$38.65	$31.45 - $49.10
Q1 2014	31,773	$1,052	$29.77	$26.25 - $33.60
Q4 2013	32,004	$944	$33.88	$28.53 - $39.87
Q3 2013	34,075	$1,272	$37.73	$35.02 - $41.24
Q2 2013	34,028	$1,519	$44.80	$38.60 - $48.60