INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

CITIGROUP INC's Holding History (CIK: 0000831001)

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

Q4 2025

Shares 23,708 Value ($000) $7,548 Avg Close $353.55 Range $314.37 - $412.60

Q3 2025

Shares 20,216 Value ($000) $6,979 Avg Close $271.66 Range $213.06 - $360.30

Q2 2025

Shares 28,401 Value ($000) $6,368 Avg Close $211.87 Range $180.60 - $237.50

Q1 2025

Shares 44,802 Value ($000) $9,263 Avg Close $201.31 Range $169.58 - $231.97

Q4 2024

Shares 38,364 Value ($000) $7,432 Avg Close $174.85 Range $140.47 - $203.90

Q3 2024

Shares 35,499 Value ($000) $5,028 Avg Close $131.08 Range $115.10 - $143.96

Q2 2024

Shares 22,670 Value ($000) $2,642 Avg Close $106.87 Range $95.33 - $119.10

Q1 2024

Shares 33,269 Value ($000) $3,542 Avg Close $105.70 Range $100.55 - $119.86

Q4 2023

Shares 21,216 Value ($000) $2,303 Avg Close $92.54 Range $74.65 - $111.79

Q3 2023

Shares 15,375 Value ($000) $1,234 Avg Close $86.92 Range $79.20 - $98.69

Q2 2023

Shares 25,236 Value ($000) $2,437 Avg Close $80.98 Range $66.82 - $97.62

Q1 2023

Shares 17,569 Value ($000) $1,281 Avg Close $69.61 Range $52.13 - $75.74

Q4 2022

Shares 20,508 Value ($000) $1,015 Avg Close $48.77 Range $43.87 - $51.48

Q3 2022

Shares 22,026 Value ($000) $890 Avg Close $53.92 Range $40.23 - $64.00

Q2 2022

Shares 40,103 Value ($000) $2,438 Avg Close $61.35 Range $56.13 - $67.14

Q1 2022

Shares 101,560 Value ($000) $6,479 Avg Close $66.45 Range $61.36 - $73.97

Q4 2021

Shares 125,030 Value ($000) $8,955 Avg Close $69.71 Range $65.79 - $74.27

Q3 2021

Shares 44,089 Value ($000) $2,990 Avg Close $69.30 Range $63.34 - $75.25

Q2 2021

Shares 201,420 Value ($000) $14,710 Avg Close $73.91 Range $63.74 - $85.75

Q1 2021

Shares 7,846 Value ($000) $499 Avg Close $65.36 Range $59.93 - $69.02

Q4 2020

Shares 13,148 Value ($000) $798 Avg Close $59.88 Range $54.37 - $63.74

Q3 2020

Shares 5,267 Value ($000) $300 Avg Close $60.07 Range $54.62 - $67.06

Q2 2020

Shares 12,608 Value ($000) $714 Avg Close $53.16 Range $41.61 - $62.66

Q1 2020

Shares 11,735 Value ($000) $524 Avg Close $52.66 Range $31.04 - $64.22

Q4 2019

Shares 8,227 Value ($000) $448 Avg Close $55.25 Range $49.84 - $60.33

Q3 2019

Shares 8,919 Value ($000) $469 Avg Close $56.51 Range $47.02 - $66.95

Q2 2019

Shares 12,063 Value ($000) $777 Avg Close $66.69 Range $62.43 - $72.66

Q1 2019

Shares 9,109 Value ($000) $601 Avg Close $69.51 Range $64.12 - $74.03

Q4 2018

Shares 5,368 Value ($000) $357 Avg Close $72.85 Range $62.34 - $80.75

Q3 2018

Shares 26,983 Value ($000) $2,159 Avg Close $81.96 Range $78.65 - $85.85

Q2 2018

Shares 114 Value ($000) $9 Avg Close $79.55 Range $71.75 - $85.50

Q1 2018

Shares 18,474 Value ($000) $1,360 Avg Close $76.57 Range $69.33 - $81.70

Q4 2017

Shares 26,294 Value ($000) $2,002 Avg Close $74.74 Range $70.60 - $78.10

Q3 2017

Shares 15,932 Value ($000) $1,175 Avg Close $73.19 Range $67.55 - $81.85

Q2 2017

Shares 45,168 Value ($000) $3,492 Avg Close $83.80 Range $77.20 - $93.00

Q1 2017

Shares 43,777 Value ($000) $3,779 Avg Close $89.86 Range $83.15 - $102.30

Q4 2016

Shares 72,671 Value ($000) $6,638 Avg Close $80.20 Range $68.10 - $98.00

Q3 2016

Shares 37,450 Value ($000) $2,966 Avg Close $66.77 Range $52.33 - $79.92

Q2 2016

Shares 14,849 Value ($000) $827 Avg Close $56.52 Range $51.97 - $59.83

Q1 2016

Shares 35,336 Value ($000) $1,967 Avg Close $48.28 Range $41.01 - $55.85

Q4 2015

Shares 12,075 Value ($000) $593 Avg Close $50.76 Range $46.78 - $54.95

Q3 2015

Shares 6,126 Value ($000) $310 Avg Close $51.62 Range $44.28 - $57.77

Q2 2015

Shares 13,151 Value ($000) $747 Avg Close $55.81 Range $49.57 - $60.69

Q1 2015

Shares 12,580 Value ($000) $639 Avg Close $51.89 Range $47.76 - $56.27

Q4 2014

Shares 10,881 Value ($000) $575 Avg Close $48.18 Range $38.64 - $54.90

Q3 2014

Shares 3,523 Value ($000) $140 Avg Close $44.00 Range $39.40 - $48.93

Q2 2014

Shares 81,650 Value ($000) $3,902 Avg Close $38.65 Range $31.45 - $49.10

Q1 2014

Shares 12,680 Value ($000) $420 Avg Close $29.77 Range $26.25 - $33.60

Q4 2013

Shares 67,468 Value ($000) $1,990 Avg Close $33.88 Range $28.53 - $39.87

Q3 2013

Shares 39,294 Value ($000) $1,467 Avg Close $37.73 Range $35.02 - $41.24

Q2 2013

Shares 19,766 Value ($000) $882 Avg Close $44.80 Range $38.60 - $48.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	23,708	$7,548	$353.55	$314.37 - $412.60
Q3 2025	20,216	$6,979	$271.66	$213.06 - $360.30
Q2 2025	28,401	$6,368	$211.87	$180.60 - $237.50
Q1 2025	44,802	$9,263	$201.31	$169.58 - $231.97
Q4 2024	38,364	$7,432	$174.85	$140.47 - $203.90
Q3 2024	35,499	$5,028	$131.08	$115.10 - $143.96
Q2 2024	22,670	$2,642	$106.87	$95.33 - $119.10
Q1 2024	33,269	$3,542	$105.70	$100.55 - $119.86
Q4 2023	21,216	$2,303	$92.54	$74.65 - $111.79
Q3 2023	15,375	$1,234	$86.92	$79.20 - $98.69
Q2 2023	25,236	$2,437	$80.98	$66.82 - $97.62
Q1 2023	17,569	$1,281	$69.61	$52.13 - $75.74
Q4 2022	20,508	$1,015	$48.77	$43.87 - $51.48
Q3 2022	22,026	$890	$53.92	$40.23 - $64.00
Q2 2022	40,103	$2,438	$61.35	$56.13 - $67.14
Q1 2022	101,560	$6,479	$66.45	$61.36 - $73.97
Q4 2021	125,030	$8,955	$69.71	$65.79 - $74.27
Q3 2021	44,089	$2,990	$69.30	$63.34 - $75.25
Q2 2021	201,420	$14,710	$73.91	$63.74 - $85.75
Q1 2021	7,846	$499	$65.36	$59.93 - $69.02
Q4 2020	13,148	$798	$59.88	$54.37 - $63.74
Q3 2020	5,267	$300	$60.07	$54.62 - $67.06
Q2 2020	12,608	$714	$53.16	$41.61 - $62.66
Q1 2020	11,735	$524	$52.66	$31.04 - $64.22
Q4 2019	8,227	$448	$55.25	$49.84 - $60.33
Q3 2019	8,919	$469	$56.51	$47.02 - $66.95
Q2 2019	12,063	$777	$66.69	$62.43 - $72.66
Q1 2019	9,109	$601	$69.51	$64.12 - $74.03
Q4 2018	5,368	$357	$72.85	$62.34 - $80.75
Q3 2018	26,983	$2,159	$81.96	$78.65 - $85.85
Q2 2018	114	$9	$79.55	$71.75 - $85.50
Q1 2018	18,474	$1,360	$76.57	$69.33 - $81.70
Q4 2017	26,294	$2,002	$74.74	$70.60 - $78.10
Q3 2017	15,932	$1,175	$73.19	$67.55 - $81.85
Q2 2017	45,168	$3,492	$83.80	$77.20 - $93.00
Q1 2017	43,777	$3,779	$89.86	$83.15 - $102.30
Q4 2016	72,671	$6,638	$80.20	$68.10 - $98.00
Q3 2016	37,450	$2,966	$66.77	$52.33 - $79.92
Q2 2016	14,849	$827	$56.52	$51.97 - $59.83
Q1 2016	35,336	$1,967	$48.28	$41.01 - $55.85
Q4 2015	12,075	$593	$50.76	$46.78 - $54.95
Q3 2015	6,126	$310	$51.62	$44.28 - $57.77
Q2 2015	13,151	$747	$55.81	$49.57 - $60.69
Q1 2015	12,580	$639	$51.89	$47.76 - $56.27
Q4 2014	10,881	$575	$48.18	$38.64 - $54.90
Q3 2014	3,523	$140	$44.00	$39.40 - $48.93
Q2 2014	81,650	$3,902	$38.65	$31.45 - $49.10
Q1 2014	12,680	$420	$29.77	$26.25 - $33.60
Q4 2013	67,468	$1,990	$33.88	$28.53 - $39.87
Q3 2013	39,294	$1,467	$37.73	$35.02 - $41.24
Q2 2013	19,766	$882	$44.80	$38.60 - $48.60