INTERDIGITAL INC (IDCC) Stock Institutional Trading Activity


INTERDIGITAL INC (IDCC) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Disciplined Growth Investors, Renaissance Technologies LLC, Sequoia Financial Advisors, First Eagle U.S. Value, and Ariel Appreciation Fund. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Renaissance Technologies LLCSell-33,30232,298$10,283,037
Q4 2025Disciplined Growth InvestorsSell-181,788609,153$193,942,132
Q3 2025Sequoia Financial AdvisorsBuy910910$314,187
Q3 2025Renaissance Technologies LLCSell-31,99365,600$22,647,088
Q3 2025Disciplined Growth InvestorsSell-169,691790,941$273,056,561
Q2 2025Renaissance Technologies LLCBuy78,50097,593$21,883,278
Q2 2025Disciplined Growth InvestorsSell-123,721960,632$215,402,513
Q1 2025Renaissance Technologies LLCSell-49,02419,093$3,947,478
Q1 2025Disciplined Growth InvestorsSell-30,6301,084,353$224,189,983
Q4 2024Disciplined Growth InvestorsSell-17,8351,114,983$215,994,507
Q3 2024Disciplined Growth InvestorsBuy39,8911,132,818$160,441,013
Q2 2024Renaissance Technologies LLCSell-167,80068,117$7,939,718
Q2 2024Disciplined Growth InvestorsBuy10,5321,092,927$127,391,571
Q1 2024Renaissance Technologies LLCSell-58,350235,917$25,116
Q1 2024Disciplined Growth InvestorsBuy406,5301,082,395$115,231,772
Q4 2023Renaissance Technologies LLCSell-124,900294,267$31,940
Q4 2023Disciplined Growth InvestorsSell-1,361675,865$73,358,387
Q3 2023Renaissance Technologies LLCSell-126,600419,167$33,634
Q3 2023Disciplined Growth InvestorsSell-5,089677,226$54,340,614
Q2 2023Renaissance Technologies LLCBuy19,377545,767$52,694
Q2 2023Disciplined Growth InvestorsSell-43,571682,315$65,877,513
Q1 2023Renaissance Technologies LLCSell-150,521526,390$38,374
Q1 2023Disciplined Growth InvestorsSell-65,514725,886$52,917,089
Q4 2022Renaissance Technologies LLCSell-55,156676,911$33,494
Q4 2022Disciplined Growth InvestorsSell-5,761791,400$39,158,472
Q3 2022Renaissance Technologies LLCSell-101,700732,067$29,590
Q3 2022Disciplined Growth InvestorsSell-205797,161$32,221
Q2 2022First Eagle U.S. ValueBuy5,30217,961$1,092
Q2 2022Disciplined Growth InvestorsBuy7,708797,366$48,480
Q2 2022Renaissance Technologies LLCBuy127,300833,767$50,693

Frequently asked questions about IDCC activity

  • Which institutional owners are buying IDCC?

    Institutional owners buying IDCC include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in IDCC activity?

    "Buy" means an investor increased their reported position in IDCC compared to the prior reporting period. This reflects growing exposure to INTERDIGITAL INC (IDCC) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in IDCC increasing?

    Institutional interest in IDCC can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.