INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

Cohen Klingenstein LLC's Holding History (CIK: 0001453620)

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

Q4 2025
Shares 2,122 Value ($000) $676 Avg Close $353.55 Range $314.37 - $412.60
Q3 2025
Shares 2,122 Value ($000) $733 Avg Close $271.66 Range $213.06 - $360.30
Q2 2025
Shares 2,122 Value ($000) $476 Avg Close $211.87 Range $180.60 - $237.50
Q1 2025
Shares 2,122 Value ($000) $439 Avg Close $201.31 Range $169.58 - $231.97
Q4 2024
Shares 2,122 Value ($000) $411 Avg Close $174.85 Range $140.47 - $203.90
Q3 2024
Shares 2,122 Value ($000) $301 Avg Close $131.08 Range $115.10 - $143.96
Q2 2024
Shares 2,122 Value ($000) $247 Avg Close $106.87 Range $95.33 - $119.10
Q1 2024
Shares 2,122 Value ($000) $226 Avg Close $105.70 Range $100.55 - $119.86
Q4 2023
Shares 2,122 Value ($000) $230 Avg Close $92.54 Range $74.65 - $111.79
Q2 2023
Shares 3,351 Value ($000) $324 Avg Close $80.98 Range $66.82 - $97.62
Q1 2023
Shares 3,351 Value ($000) $244 Avg Close $69.61 Range $52.13 - $75.74
Q2 2022
Shares 3,551 Value ($000) $216 Avg Close $61.35 Range $56.13 - $67.14
Q1 2022
Shares 3,551 Value ($000) $227 Avg Close $66.45 Range $61.36 - $73.97
Q4 2021
Shares 3,551 Value ($000) $254 Avg Close $69.71 Range $65.79 - $74.27
Q3 2021
Shares 4,683 Value ($000) $318 Avg Close $69.30 Range $63.34 - $75.25
Q2 2021
Shares 6,533 Value ($000) $477 Avg Close $73.91 Range $63.74 - $85.75
Q1 2021
Shares 6,533 Value ($000) $415 Avg Close $65.36 Range $59.93 - $69.02
Q4 2020
Shares 6,533 Value ($000) $396 Avg Close $59.88 Range $54.37 - $63.74
Q3 2020
Shares 7,420 Value ($000) $423 Avg Close $60.07 Range $54.62 - $67.06
Q2 2020
Shares 7,420 Value ($000) $420 Avg Close $53.16 Range $41.61 - $62.66
Q1 2020
Shares 7,420 Value ($000) $331 Avg Close $52.66 Range $31.04 - $64.22
Q4 2019
Shares 7,420 Value ($000) $404 Avg Close $55.25 Range $49.84 - $60.33
Q3 2019
Shares 7,420 Value ($000) $389 Avg Close $56.51 Range $47.02 - $66.95
Q2 2019
Shares 7,420 Value ($000) $478 Avg Close $66.69 Range $62.43 - $72.66
Q1 2019
Shares 7,420 Value ($000) $490 Avg Close $69.51 Range $64.12 - $74.03
Q4 2018
Shares 7,420 Value ($000) $493 Avg Close $72.85 Range $62.34 - $80.75
Q3 2018
Shares 7,420 Value ($000) $594 Avg Close $81.96 Range $78.65 - $85.85
Q2 2018
Shares 7,420 Value ($000) $600 Avg Close $79.55 Range $71.75 - $85.50
Q1 2018
Shares 7,420 Value ($000) $546 Avg Close $76.57 Range $69.33 - $81.70
Q4 2017
Shares 7,420 Value ($000) $565 Avg Close $74.74 Range $70.60 - $78.10
Q3 2017
Shares 7,420 Value ($000) $547 Avg Close $73.19 Range $67.55 - $81.85
Q2 2017
Shares 7,420 Value ($000) $574 Avg Close $83.80 Range $77.20 - $93.00
Q1 2017
Shares 7,420 Value ($000) $640 Avg Close $89.86 Range $83.15 - $102.30
Q4 2016
Shares 7,420 Value ($000) $678 Avg Close $80.20 Range $68.10 - $98.00
Q3 2016
Shares 7,420 Value ($000) $588 Avg Close $66.77 Range $52.33 - $79.92
Q2 2016
Shares 7,420 Value ($000) $413 Avg Close $56.52 Range $51.97 - $59.83
Q1 2016
Shares 7,420 Value ($000) $413 Avg Close $48.28 Range $41.01 - $55.85
Q4 2015
Shares 8,025 Value ($000) $394 Avg Close $50.76 Range $46.78 - $54.95
Q3 2015
Shares 8,025 Value ($000) $406 Avg Close $51.62 Range $44.28 - $57.77
Q2 2015
Shares 8,025 Value ($000) $457 Avg Close $55.81 Range $49.57 - $60.69
Q1 2015
Shares 8,025 Value ($000) $407 Avg Close $51.89 Range $47.76 - $56.27
Q4 2014
Shares 7,635 Value ($000) $404 Avg Close $48.18 Range $38.64 - $54.90
Q3 2014
Shares 10,608 Value ($000) $422 Avg Close $44.00 Range $39.40 - $48.93
Q2 2014
Shares 10,608 Value ($000) $507 Avg Close $38.65 Range $31.45 - $49.10
Q1 2014
Shares 10,608 Value ($000) $351 Avg Close $29.77 Range $26.25 - $33.60
Q4 2013
Shares 10,608 Value ($000) $313 Avg Close $33.88 Range $28.53 - $39.87
Q3 2013
Shares 10,816 Value ($000) $404 Avg Close $37.73 Range $35.02 - $41.24
Q2 2013
Shares 10,816 Value ($000) $483 Avg Close $44.80 Range $38.60 - $48.60