INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

BARCLAYS PLC's Holding History (CIK: 0000312069)

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

Q4 2025

Shares 44,819 Value ($000) $14,269 Avg Close $353.55 Range $314.37 - $412.60

Q3 2025

Shares 676,194 Value ($000) $95,769 Avg Close $271.66 Range $213.06 - $360.30

Q2 2025

Shares 67,772 Value ($000) $15,197 Avg Close $211.87 Range $180.60 - $237.50

Q1 2025

Shares 60,955 Value ($000) $12,602 Avg Close $201.31 Range $169.58 - $231.97

Q4 2024

Shares 77,096 Value ($000) $14,935 Avg Close $174.85 Range $140.47 - $203.90

Q3 2024

Shares 676,194 Value ($000) $96 Avg Close $131.08 Range $115.10 - $143.96

Q2 2024

Shares 667,422 Value ($000) $77,795 Avg Close $106.87 Range $95.33 - $119.10

Q1 2024

Shares 27,792 Value ($000) $2,959 Avg Close $105.70 Range $100.55 - $119.86

Q4 2023

Shares 45,164 Value ($000) $4,902 Avg Close $92.54 Range $74.65 - $111.79

Q3 2023

Shares 53,021 Value ($000) $4,254 Avg Close $86.92 Range $79.20 - $98.69

Q2 2023

Shares 19,002 Value ($000) $2 Avg Close $80.98 Range $66.82 - $97.62

Q1 2023

Shares 42,853 Value ($000) $3 Avg Close $69.61 Range $52.13 - $75.74

Q4 2022

Shares 91,467 Value ($000) $5 Avg Close $48.77 Range $43.87 - $51.48

Q3 2022

Shares 104,637 Value ($000) $4,229 Avg Close $53.92 Range $40.23 - $64.00

Q2 2022

Shares 18,218 Value ($000) $1,107 Avg Close $61.35 Range $56.13 - $67.14

Q1 2022

Shares 140,734 Value ($000) $8,977 Avg Close $66.45 Range $61.36 - $73.97

Q4 2021

Shares 166,787 Value ($000) $11,947 Avg Close $69.71 Range $65.79 - $74.27

Q3 2021

Shares 136,107 Value ($000) $9,230 Avg Close $69.30 Range $63.34 - $75.25

Q2 2021

Shares 126,182 Value ($000) $9,215 Avg Close $73.91 Range $63.74 - $85.75

Q1 2021

Shares 121,459 Value ($000) $7,706 Avg Close $65.36 Range $59.93 - $69.02

Q4 2020

Shares 100,120 Value ($000) $6,075 Avg Close $59.88 Range $54.37 - $63.74

Q3 2020

Shares 96,482 Value ($000) $5,505 Avg Close $60.07 Range $54.62 - $67.06

Q2 2020

Shares 102,439 Value ($000) $5,801 Avg Close $53.16 Range $41.61 - $62.66

Q1 2020

Shares 80,490 Value ($000) $3,592 Avg Close $52.66 Range $31.04 - $64.22

Q4 2019

Shares 135,072 Value ($000) $7,359 Avg Close $55.25 Range $49.84 - $60.33

Q3 2019

Shares 115,777 Value ($000) $6,075 Avg Close $56.51 Range $47.02 - $66.95

Q2 2019

Shares 611,155 Value ($000) $39,358 Avg Close $66.69 Range $62.43 - $72.66

Q1 2019

Shares 624,088 Value ($000) $41,178 Avg Close $69.51 Range $64.12 - $74.03

Q4 2018

Shares 553,740 Value ($000) $36,783 Avg Close $72.85 Range $62.34 - $80.75

Q3 2018

Shares 540,559 Value ($000) $43,243 Avg Close $81.96 Range $78.65 - $85.85

Q2 2018

Shares 433,657 Value ($000) $35,082 Avg Close $79.55 Range $71.75 - $85.50

Q1 2018

Shares 419,439 Value ($000) $30,871 Avg Close $76.57 Range $69.33 - $81.70

Q4 2017

Shares 398,190 Value ($000) $30,321 Avg Close $74.74 Range $70.60 - $78.10

Q3 2017

Shares 357,232 Value ($000) $26,345 Avg Close $73.19 Range $67.55 - $81.85

Q2 2017

Shares 297,523 Value ($000) $22,999 Avg Close $83.80 Range $77.20 - $93.00

Q1 2017

Shares 290,601 Value ($000) $25,080 Avg Close $89.86 Range $83.15 - $102.30

Q4 2016

Shares 322,223 Value ($000) $29,435 Avg Close $80.20 Range $68.10 - $98.00

Q3 2016

Shares 378,648 Value ($000) $29,988 Avg Close $66.77 Range $52.33 - $79.92

Q2 2016

Shares 295,218 Value ($000) $16,438 Avg Close $56.52 Range $51.97 - $59.83

Q1 2016

Shares 65,215 Value ($000) $3,587 Avg Close $48.28 Range $41.01 - $55.85

Q4 2015

Shares 668,230 Value ($000) $32,742 Avg Close $50.76 Range $46.78 - $54.95

Q3 2015

Shares 661,809 Value ($000) $33,090 Avg Close $51.62 Range $44.28 - $57.77

Q2 2015

Shares 656,579 Value ($000) $36,768 Avg Close $55.81 Range $49.57 - $60.69

Q1 2015

Shares 789,078 Value ($000) $39,455 Avg Close $51.89 Range $47.76 - $56.27

Q4 2014

Shares 308,591 Value ($000) $16,046 Avg Close $48.18 Range $38.64 - $54.90

Q3 2014

Shares 239,167 Value ($000) $9,327 Avg Close $44.00 Range $39.40 - $48.93

Q2 2014

Shares 267,276 Value ($000) $12,562 Avg Close $38.65 Range $31.45 - $49.10

Q1 2014

Shares 178,638 Value ($000) $5,894 Avg Close $29.77 Range $26.25 - $33.60

Q4 2013

Shares 174,063 Value ($000) $5,048 Avg Close $33.88 Range $28.53 - $39.87

Q3 2013

Shares 206,511 Value ($000) $7,640 Avg Close $37.73 Range $35.02 - $41.24

Q2 2013

Shares 221,059 Value ($000) $9,871 Avg Close $44.80 Range $38.60 - $48.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	44,819	$14,269	$353.55	$314.37 - $412.60
Q3 2025	676,194	$95,769	$271.66	$213.06 - $360.30
Q2 2025	67,772	$15,197	$211.87	$180.60 - $237.50
Q1 2025	60,955	$12,602	$201.31	$169.58 - $231.97
Q4 2024	77,096	$14,935	$174.85	$140.47 - $203.90
Q3 2024	676,194	$96	$131.08	$115.10 - $143.96
Q2 2024	667,422	$77,795	$106.87	$95.33 - $119.10
Q1 2024	27,792	$2,959	$105.70	$100.55 - $119.86
Q4 2023	45,164	$4,902	$92.54	$74.65 - $111.79
Q3 2023	53,021	$4,254	$86.92	$79.20 - $98.69
Q2 2023	19,002	$2	$80.98	$66.82 - $97.62
Q1 2023	42,853	$3	$69.61	$52.13 - $75.74
Q4 2022	91,467	$5	$48.77	$43.87 - $51.48
Q3 2022	104,637	$4,229	$53.92	$40.23 - $64.00
Q2 2022	18,218	$1,107	$61.35	$56.13 - $67.14
Q1 2022	140,734	$8,977	$66.45	$61.36 - $73.97
Q4 2021	166,787	$11,947	$69.71	$65.79 - $74.27
Q3 2021	136,107	$9,230	$69.30	$63.34 - $75.25
Q2 2021	126,182	$9,215	$73.91	$63.74 - $85.75
Q1 2021	121,459	$7,706	$65.36	$59.93 - $69.02
Q4 2020	100,120	$6,075	$59.88	$54.37 - $63.74
Q3 2020	96,482	$5,505	$60.07	$54.62 - $67.06
Q2 2020	102,439	$5,801	$53.16	$41.61 - $62.66
Q1 2020	80,490	$3,592	$52.66	$31.04 - $64.22
Q4 2019	135,072	$7,359	$55.25	$49.84 - $60.33
Q3 2019	115,777	$6,075	$56.51	$47.02 - $66.95
Q2 2019	611,155	$39,358	$66.69	$62.43 - $72.66
Q1 2019	624,088	$41,178	$69.51	$64.12 - $74.03
Q4 2018	553,740	$36,783	$72.85	$62.34 - $80.75
Q3 2018	540,559	$43,243	$81.96	$78.65 - $85.85
Q2 2018	433,657	$35,082	$79.55	$71.75 - $85.50
Q1 2018	419,439	$30,871	$76.57	$69.33 - $81.70
Q4 2017	398,190	$30,321	$74.74	$70.60 - $78.10
Q3 2017	357,232	$26,345	$73.19	$67.55 - $81.85
Q2 2017	297,523	$22,999	$83.80	$77.20 - $93.00
Q1 2017	290,601	$25,080	$89.86	$83.15 - $102.30
Q4 2016	322,223	$29,435	$80.20	$68.10 - $98.00
Q3 2016	378,648	$29,988	$66.77	$52.33 - $79.92
Q2 2016	295,218	$16,438	$56.52	$51.97 - $59.83
Q1 2016	65,215	$3,587	$48.28	$41.01 - $55.85
Q4 2015	668,230	$32,742	$50.76	$46.78 - $54.95
Q3 2015	661,809	$33,090	$51.62	$44.28 - $57.77
Q2 2015	656,579	$36,768	$55.81	$49.57 - $60.69
Q1 2015	789,078	$39,455	$51.89	$47.76 - $56.27
Q4 2014	308,591	$16,046	$48.18	$38.64 - $54.90
Q3 2014	239,167	$9,327	$44.00	$39.40 - $48.93
Q2 2014	267,276	$12,562	$38.65	$31.45 - $49.10
Q1 2014	178,638	$5,894	$29.77	$26.25 - $33.60
Q4 2013	174,063	$5,048	$33.88	$28.53 - $39.87
Q3 2013	206,511	$7,640	$37.73	$35.02 - $41.24
Q2 2013	221,059	$9,871	$44.80	$38.60 - $48.60