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
Q1 2022First Eagle U.S. ValueBuy6,81412,659$808
Q1 2022Renaissance Technologies LLCBuy7,993706,467$45,073
Q1 2022Disciplined Growth InvestorsBuy11,400789,658$50,380
Q4 2021First Eagle U.S. ValueBuy5005,845$419
Q4 2021Renaissance Technologies LLCSell-50,700698,474$50,032
Q4 2021Disciplined Growth InvestorsSell-9,268778,258$55,747
Q3 2021First Eagle U.S. ValueBuy5,0005,345$362
Q3 2021Renaissance Technologies LLCSell-156,393749,174$50,809
Q3 2021Disciplined Growth InvestorsBuy78,014787,526$53,410
Q2 2021First Eagle U.S. ValueBuy345345$25
Q2 2021Disciplined Growth InvestorsBuy41,539709,512$51,816
Q2 2021Renaissance Technologies LLCSell-235,500905,567$66,134
Q1 2021Disciplined Growth InvestorsBuy667,973667,973$42,383
Q1 2021Renaissance Technologies LLCSell-163,7001,141,067$72,401
Q4 2020Renaissance Technologies LLCSell-62,5001,304,767$79,173
Q3 2020Ariel Appreciation FundSell-1,35329,883$1,705
Q3 2020Renaissance Technologies LLCSell-164,3001,367,267$78,016
Q2 2020Ariel Appreciation FundBuy1,11731,236$1,769
Q2 2020Renaissance Technologies LLCSell-67,2001,531,567$86,733
Q1 2020Renaissance Technologies LLCBuy267,5001,598,767$71,353
Q4 2019Ariel Appreciation FundSell-5,00330,119$1,641
Q4 2019Renaissance Technologies LLCBuy112,2001,331,267$72,541
Q3 2019Renaissance Technologies LLCSell-17,9001,219,067$63,964
Q2 2019Renaissance Technologies LLCBuy122,7001,236,967$79,661
Q1 2019Renaissance Technologies LLCBuy454,3601,114,267$73,519
Q4 2018Renaissance Technologies LLCBuy194,314659,907$43,838
Q3 2018Renaissance Technologies LLCSell-30,600465,593$37,247
Q1 2018Renaissance Technologies LLCBuy1,500496,193$36,520
Q4 2017Renaissance Technologies LLCBuy46,800494,693$37,671
Q3 2017Ariel Appreciation FundBuy1,52835,122$2,590

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.