INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q4 2025
Shares 663 Value ($000) $211 Avg Close $353.55 Range $314.37 - $412.60
Q3 2025
Shares 966 Value ($000) $333 Avg Close $271.66 Range $213.06 - $360.30
Q2 2025
Shares 4,252 Value ($000) $953 Avg Close $211.87 Range $180.60 - $237.50
Q1 2025
Shares 4,247 Value ($000) $878 Avg Close $201.31 Range $169.58 - $231.97
Q4 2024
Shares 4,287 Value ($000) $830 Avg Close $174.85 Range $140.47 - $203.90
Q3 2024
Shares 4,287 Value ($000) $607 Avg Close $131.08 Range $115.10 - $143.96
Q2 2024
Shares 4,337 Value ($000) $506 Avg Close $106.87 Range $95.33 - $119.10
Q1 2024
Shares 4,379 Value ($000) $466 Avg Close $105.70 Range $100.55 - $119.86
Q4 2023
Shares 4,080 Value ($000) $443 Avg Close $92.54 Range $74.65 - $111.79
Q3 2023
Shares 4,080 Value ($000) $327 Avg Close $86.92 Range $79.20 - $98.69
Q2 2023
Shares 4,080 Value ($000) $394 Avg Close $80.98 Range $66.82 - $97.62
Q1 2023
Shares 4,080 Value ($000) $297 Avg Close $69.61 Range $52.13 - $75.74
Q4 2022
Shares 4,080 Value ($000) $202 Avg Close $48.77 Range $43.87 - $51.48
Q2 2022
Shares 4,080 Value ($000) $248 Avg Close $61.35 Range $56.13 - $67.14
Q1 2022
Shares 4,080 Value ($000) $260 Avg Close $66.45 Range $61.36 - $73.97
Q4 2021
Shares 4,080 Value ($000) $292 Avg Close $69.71 Range $65.79 - $74.27
Q3 2021
Shares 4,080 Value ($000) $277 Avg Close $69.30 Range $63.34 - $75.25
Q2 2021
Shares 4,080 Value ($000) $298 Avg Close $73.91 Range $63.74 - $85.75
Q1 2021
Shares 4,080 Value ($000) $259 Avg Close $65.36 Range $59.93 - $69.02
Q4 2020
Shares 4,080 Value ($000) $248 Avg Close $59.88 Range $54.37 - $63.74
Q3 2020
Shares 4,080 Value ($000) $233 Avg Close $60.07 Range $54.62 - $67.06
Q2 2020
Shares 4,080 Value ($000) $231 Avg Close $53.16 Range $41.61 - $62.66
Q4 2019
Shares 4,080 Value ($000) $222 Avg Close $55.25 Range $49.84 - $60.33
Q3 2019
Shares 4,080 Value ($000) $214 Avg Close $56.51 Range $47.02 - $66.95
Q2 2019
Shares 4,080 Value ($000) $332 Avg Close $66.69 Range $62.43 - $72.66
Q1 2019
Shares 4,080 Value ($000) $332 Avg Close $69.51 Range $64.12 - $74.03
Q4 2018
Shares 4,080 Value ($000) $332 Avg Close $72.85 Range $62.34 - $80.75
Q3 2018
Shares 4,080 Value ($000) $326 Avg Close $81.96 Range $78.65 - $85.85
Q2 2018
Shares 4,840 Value ($000) $392 Avg Close $79.55 Range $71.75 - $85.50
Q1 2018
Shares 5,096 Value ($000) $375 Avg Close $76.57 Range $69.33 - $81.70
Q4 2017
Shares 4,634 Value ($000) $353 Avg Close $74.74 Range $70.60 - $78.10
Q3 2017
Shares 4,080 Value ($000) $301 Avg Close $73.19 Range $67.55 - $81.85
Q2 2017
Shares 4,590 Value ($000) $355 Avg Close $83.80 Range $77.20 - $93.00
Q1 2017
Shares 8,241 Value ($000) $693 Avg Close $89.86 Range $83.15 - $102.30
Q4 2016
Shares 5,736 Value ($000) $524 Avg Close $80.20 Range $68.10 - $98.00
Q3 2016
Shares 6,027 Value ($000) $477 Avg Close $66.77 Range $52.33 - $79.92
Q2 2016
Shares 11,069 Value ($000) $616 Avg Close $56.52 Range $51.97 - $59.83
Q1 2016
Shares 10,869 Value ($000) $604 Avg Close $48.28 Range $41.01 - $55.85
Q4 2015
Shares 10,335 Value ($000) $506 Avg Close $50.76 Range $46.78 - $54.95
Q3 2015
Shares 10,288 Value ($000) $520 Avg Close $51.62 Range $44.28 - $57.77
Q2 2015
Shares 9,872 Value ($000) $561 Avg Close $55.81 Range $49.57 - $60.69
Q1 2015
Shares 9,842 Value ($000) $498 Avg Close $51.89 Range $47.76 - $56.27
Q4 2014
Shares 9,884 Value ($000) $522 Avg Close $48.18 Range $38.64 - $54.90
Q3 2014
Shares 9,943 Value ($000) $395 Avg Close $44.00 Range $39.40 - $48.93
Q2 2014
Shares 9,943 Value ($000) $475 Avg Close $38.65 Range $31.45 - $49.10
Q1 2014
Shares 10,027 Value ($000) $331 Avg Close $29.77 Range $26.25 - $33.60
Q4 2013
Shares 9,656 Value ($000) $284 Avg Close $33.88 Range $28.53 - $39.87
Q3 2013
Shares 9,656 Value ($000) $360 Avg Close $37.73 Range $35.02 - $41.24
Q2 2013
Shares 9,656 Value ($000) $431 Avg Close $44.80 Range $38.60 - $48.60