IDT CORP-CLASS B (IDT) Stock Institutional Trading Activity


IDT CORP-CLASS B (IDT) 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 Renaissance Technologies LLC, Kahn Brothers Group, and Alta Fox Capital Management. 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 2023Alta Fox Capital ManagementSell-135,182137,260$4,677,821
Q1 2023Kahn Brothers GroupSell-102,698366,231$12,481,476
Q4 2022Renaissance Technologies LLCSell-85,9001,047,506$29,508
Q4 2022Alta Fox Capital ManagementSell-377,239272,442$7,674,691
Q4 2022Kahn Brothers GroupBuy1,100468,929$13,209,692
Q3 2022Alta Fox Capital ManagementBuy319,663649,681$16,132
Q3 2022Renaissance Technologies LLCSell-178,7001,133,406$28,142
Q3 2022Kahn Brothers GroupSell-337467,829$11,616,384
Q2 2022Renaissance Technologies LLCBuy63,7291,312,106$32,999
Q2 2022Alta Fox Capital ManagementBuy41,413330,018$83,000
Q2 2022Kahn Brothers GroupBuy208468,166$11,774,746
Q1 2022Alta Fox Capital ManagementBuy52,913288,605$9,839
Q1 2022Renaissance Technologies LLCSell-72,8291,248,377$42,557
Q1 2022Kahn Brothers GroupBuy467,958467,958$15,952,603
Q4 2021Alta Fox Capital ManagementBuy235,692235,692$10,408
Q4 2021Renaissance Technologies LLCSell-14,9001,321,206$58,344
Q3 2021Renaissance Technologies LLCSell-81,0911,336,106$56,050
Q2 2021Renaissance Technologies LLCSell-48,7001,417,197$52,380
Q1 2021Renaissance Technologies LLCSell-144,1001,465,897$33,217
Q4 2020Renaissance Technologies LLCSell-96,1001,609,997$19,900
Q3 2020Renaissance Technologies LLCSell-39,5001,706,097$11,226
Q2 2020Renaissance Technologies LLCSell-47,6001,745,597$11,399
Q1 2020Renaissance Technologies LLCSell-74,7001,793,197$9,719
Q4 2019Renaissance Technologies LLCBuy24,3911,867,897$13,468
Q3 2019Renaissance Technologies LLCBuy78,1001,843,506$19,412
Q2 2019Renaissance Technologies LLCBuy116,2091,765,406$16,718
Q1 2019Renaissance Technologies LLCBuy114,6001,649,197$10,951
Q4 2018Renaissance Technologies LLCBuy47,3961,534,597$9,499
Q3 2018Renaissance Technologies LLCBuy112,0041,487,201$7,942
Q1 2018Renaissance Technologies LLCBuy34,7001,375,197$8,622

Frequently asked questions about IDT activity

  • Which institutional owners are buying IDT?

    Institutional owners buying IDT 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 IDT activity?

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

  • Is institutional interest in IDT increasing?

    Institutional interest in IDT 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.