INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

CANADA PENSION PLAN INVESTMENT BOARD's Holding History (CIK: 0001283718)

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

Q4 2025

Shares 47,300 Value ($000) $15,059 Avg Close $353.55 Range $314.37 - $412.60

Q3 2025

Shares 47,300 Value ($000) $16,329 Avg Close $271.66 Range $213.06 - $360.30

Q2 2025

Shares 47,300 Value ($000) $10,606 Avg Close $211.87 Range $180.60 - $237.50

Q1 2025

Shares 47,300 Value ($000) $9,779 Avg Close $201.31 Range $169.58 - $231.97

Q4 2024

Shares 47,300 Value ($000) $9,163 Avg Close $174.85 Range $140.47 - $203.90

Q3 2024

Shares 47,300 Value ($000) $6,699 Avg Close $131.08 Range $115.10 - $143.96

Q2 2024

Shares 47,300 Value ($000) $5,513 Avg Close $106.87 Range $95.33 - $119.10

Q1 2024

Shares 47,300 Value ($000) $5,036 Avg Close $105.70 Range $100.55 - $119.86

Q4 2023

Shares 47,300 Value ($000) $5,134 Avg Close $92.54 Range $74.65 - $111.79

Q3 2023

Shares 47,300 Value ($000) $3,795 Avg Close $86.92 Range $79.20 - $98.69

Q2 2023

Shares 47,300 Value ($000) $4,567 Avg Close $80.98 Range $66.82 - $97.62

Q1 2023

Shares 47,300 Value ($000) $3,448 Avg Close $69.61 Range $52.13 - $75.74

Q4 2022

Shares 47,300 Value ($000) $2,340 Avg Close $48.77 Range $43.87 - $51.48

Q3 2022

Shares 47,300 Value ($000) $1,912 Avg Close $53.92 Range $40.23 - $64.00

Q2 2022

Shares 47,300 Value ($000) $2,876 Avg Close $61.35 Range $56.13 - $67.14

Q1 2022

Shares 47,300 Value ($000) $3,018 Avg Close $66.45 Range $61.36 - $73.97

Q4 2021

Shares 47,300 Value ($000) $3,388 Avg Close $69.71 Range $65.79 - $74.27

Q3 2021

Shares 47,300 Value ($000) $3,208 Avg Close $69.30 Range $63.34 - $75.25

Q2 2021

Shares 47,300 Value ($000) $3,454 Avg Close $73.91 Range $63.74 - $85.75

Q1 2021

Shares 47,300 Value ($000) $3,001 Avg Close $65.36 Range $59.93 - $69.02

Q4 2020

Shares 47,300 Value ($000) $2,870 Avg Close $59.88 Range $54.37 - $63.74

Q3 2020

Shares 47,300 Value ($000) $2,699 Avg Close $60.07 Range $54.62 - $67.06

Q2 2020

Shares 47,300 Value ($000) $2,679 Avg Close $53.16 Range $41.61 - $62.66

Q1 2020

Shares 47,300 Value ($000) $2,111 Avg Close $52.66 Range $31.04 - $64.22

Q4 2019

Shares 47,300 Value ($000) $2,577 Avg Close $55.25 Range $49.84 - $60.33

Q3 2019

Shares 47,300 Value ($000) $2,482 Avg Close $56.51 Range $47.02 - $66.95

Q2 2019

Shares 47,300 Value ($000) $3,046 Avg Close $66.69 Range $62.43 - $72.66

Q1 2019

Shares 47,300 Value ($000) $3,121 Avg Close $69.51 Range $64.12 - $74.03

Q4 2018

Shares 47,300 Value ($000) $3,142 Avg Close $72.85 Range $62.34 - $80.75

Q3 2018

Shares 47,300 Value ($000) $3,784 Avg Close $81.96 Range $78.65 - $85.85

Q2 2018

Shares 47,300 Value ($000) $3,827 Avg Close $79.55 Range $71.75 - $85.50

Q1 2018

Shares 47,300 Value ($000) $3,481 Avg Close $76.57 Range $69.33 - $81.70

Q4 2017

Shares 47,300 Value ($000) $3,602 Avg Close $74.74 Range $70.60 - $78.10

Q3 2017

Shares 68,000 Value ($000) $5,015 Avg Close $73.19 Range $67.55 - $81.85

Q2 2017

Shares 205,984 Value ($000) $15,923 Avg Close $83.80 Range $77.20 - $93.00

Q1 2017

Shares 272,500 Value ($000) $23,517 Avg Close $89.86 Range $83.15 - $102.30

Q4 2016

Shares 214,700 Value ($000) $19,613 Avg Close $80.20 Range $68.10 - $98.00

Q3 2016

Shares 138,300 Value ($000) $10,953 Avg Close $66.77 Range $52.33 - $79.92

Q2 2016

Shares 36,000 Value ($000) $2,004 Avg Close $56.52 Range $51.97 - $59.83

Q1 2016

Shares 29,300 Value ($000) $1,631 Avg Close $48.28 Range $41.01 - $55.85

Q4 2015

Shares 48,100 Value ($000) $2,359 Avg Close $50.76 Range $46.78 - $54.95

Q3 2015

Shares 270,900 Value ($000) $13,708 Avg Close $51.62 Range $44.28 - $57.77

Q2 2015

Shares 237,700 Value ($000) $13,523 Avg Close $55.81 Range $49.57 - $60.69

Q1 2015

Shares 237,700 Value ($000) $12,061 Avg Close $51.89 Range $47.76 - $56.27

Q4 2014

Shares 81,300 Value ($000) $4,301 Avg Close $48.18 Range $38.64 - $54.90

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	47,300	$15,059	$353.55	$314.37 - $412.60
Q3 2025	47,300	$16,329	$271.66	$213.06 - $360.30
Q2 2025	47,300	$10,606	$211.87	$180.60 - $237.50
Q1 2025	47,300	$9,779	$201.31	$169.58 - $231.97
Q4 2024	47,300	$9,163	$174.85	$140.47 - $203.90
Q3 2024	47,300	$6,699	$131.08	$115.10 - $143.96
Q2 2024	47,300	$5,513	$106.87	$95.33 - $119.10
Q1 2024	47,300	$5,036	$105.70	$100.55 - $119.86
Q4 2023	47,300	$5,134	$92.54	$74.65 - $111.79
Q3 2023	47,300	$3,795	$86.92	$79.20 - $98.69
Q2 2023	47,300	$4,567	$80.98	$66.82 - $97.62
Q1 2023	47,300	$3,448	$69.61	$52.13 - $75.74
Q4 2022	47,300	$2,340	$48.77	$43.87 - $51.48
Q3 2022	47,300	$1,912	$53.92	$40.23 - $64.00
Q2 2022	47,300	$2,876	$61.35	$56.13 - $67.14
Q1 2022	47,300	$3,018	$66.45	$61.36 - $73.97
Q4 2021	47,300	$3,388	$69.71	$65.79 - $74.27
Q3 2021	47,300	$3,208	$69.30	$63.34 - $75.25
Q2 2021	47,300	$3,454	$73.91	$63.74 - $85.75
Q1 2021	47,300	$3,001	$65.36	$59.93 - $69.02
Q4 2020	47,300	$2,870	$59.88	$54.37 - $63.74
Q3 2020	47,300	$2,699	$60.07	$54.62 - $67.06
Q2 2020	47,300	$2,679	$53.16	$41.61 - $62.66
Q1 2020	47,300	$2,111	$52.66	$31.04 - $64.22
Q4 2019	47,300	$2,577	$55.25	$49.84 - $60.33
Q3 2019	47,300	$2,482	$56.51	$47.02 - $66.95
Q2 2019	47,300	$3,046	$66.69	$62.43 - $72.66
Q1 2019	47,300	$3,121	$69.51	$64.12 - $74.03
Q4 2018	47,300	$3,142	$72.85	$62.34 - $80.75
Q3 2018	47,300	$3,784	$81.96	$78.65 - $85.85
Q2 2018	47,300	$3,827	$79.55	$71.75 - $85.50
Q1 2018	47,300	$3,481	$76.57	$69.33 - $81.70
Q4 2017	47,300	$3,602	$74.74	$70.60 - $78.10
Q3 2017	68,000	$5,015	$73.19	$67.55 - $81.85
Q2 2017	205,984	$15,923	$83.80	$77.20 - $93.00
Q1 2017	272,500	$23,517	$89.86	$83.15 - $102.30
Q4 2016	214,700	$19,613	$80.20	$68.10 - $98.00
Q3 2016	138,300	$10,953	$66.77	$52.33 - $79.92
Q2 2016	36,000	$2,004	$56.52	$51.97 - $59.83
Q1 2016	29,300	$1,631	$48.28	$41.01 - $55.85
Q4 2015	48,100	$2,359	$50.76	$46.78 - $54.95
Q3 2015	270,900	$13,708	$51.62	$44.28 - $57.77
Q2 2015	237,700	$13,523	$55.81	$49.57 - $60.69
Q1 2015	237,700	$12,061	$51.89	$47.76 - $56.27
Q4 2014	81,300	$4,301	$48.18	$38.64 - $54.90