INTERDIGITAL INC (IDCC) Institutional Ownership Changes & 13F Activity

INTERDIGITAL INC (IDCC) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Disciplined Growth Investors, Renaissance Technologies LLC, Sequoia Financial Advisors, First Eagle U.S. Value, and Ariel Appreciation Fund.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
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 2017Renaissance Technologies LLCSell-126,681447,893$33,032
Q3 2017Ariel Appreciation FundBuy1,52835,122$2,590
Q2 2017Renaissance Technologies LLCBuy98,874574,574$44,415
Q2 2017Ariel Appreciation FundBuy33,59433,594$2,597
Q1 2017Renaissance Technologies LLCSell-42,400475,700$41,053
Q4 2016Renaissance Technologies LLCSell-48,793518,100$47,328
Q3 2016Renaissance Technologies LLCBuy60,500566,893$44,898
Q2 2016Renaissance Technologies LLCBuy282,700506,393$28,196
Q1 2016Renaissance Technologies LLCBuy72,500223,693$12,449
Q4 2015Renaissance Technologies LLCSell-125,400151,193$7,415
Q3 2015Renaissance Technologies LLCSell-37,700276,593$13,996
Q2 2015Renaissance Technologies LLCSell-68,500314,293$17,880
Q1 2015Renaissance Technologies LLCSell-79,300382,793$19,423
Q4 2014Renaissance Technologies LLCBuy8,900462,093$24,445
Q3 2014Renaissance Technologies LLCSell-59,600453,193$18,046
Q2 2014Renaissance Technologies LLCSell-129,202512,793$24,512
Q2 2014Third Avenue ManagementSell-97,200648,252$30,986
Q1 2014Third Avenue ManagementBuy745,452745,452$24,682
Q1 2014Renaissance Technologies LLCBuy30,902641,995$21,256
Q4 2013Renaissance Technologies LLCBuy272,700611,093$18,021
Q3 2013Renaissance Technologies LLCBuy86,100338,393$12,636
Q2 2013Renaissance Technologies LLCBuy252,293252,293$11,265

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.

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