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IDT Corp IDT

US equityMarket cap rank #2783
$80.08 +$1.17 (+1.48%)
Pre-market · Oct 6, 7:40 am ET · After hours $80.08 0.00%
Open$79.31
Prev close$78.91
Day range$79.31 – $82.31
Volume480.5K
Market cap$1.99B
P/E (TTM)23.1
Dividend yield0.32%

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership60.3%+0.16 pts vs. prior quarter
Institutions holding255+0 vs. prior quarter
Insider trades (recent)20 buys / 29 sellsNet selling
Short interest2.24% of floatDays to cover 3.1 · as of 15 Sep 2026
Short-sale volume share20.6%5-day average of daily volume

Short-sale volume as % of daily volume

13%19%24%30%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: +$1.76M (12 inflow days, 8 outflow days).

The five largest holders on file together own 34.2% of shares outstanding.

Largest holders

  • Howard Jonas15.67%
  • BlackRock7.74%
  • Vanguard Capital Management, LLC4.14%
  • Renaissance Technologies Corp.3.54%
  • Dimensional Fund Advisors3.14%
  • Geode Capital Management, LLC2.63%
  • State Street Global Advisors2.48%
  • First Trust Advisors L.P.2.06%

By investor type

  • Mutual Fund45.18%
  • Individual/Insider17.72%
  • Hedge Fund9.83%
  • Public Company2.32%
  • Private Company1.50%
  • Insurance Company0.57%
  • Sovereign Wealth Fund0.41%
  • Government Pension Fund0.33%

Reported short interest has risen from 2.10% to 2.24% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Short interest, by report

Report dateShares short% of floatDays to cover
15 Sep 2026 556,078 2.2% 3.1
31 Aug 2026 535,823 2.2% 3.6
14 Aug 2026 544,490 2.2% 3.1
31 Jul 2026 511,371 2.1% 2.6
15 Jul 2026 486,401 2.0% 2.6
30 Jun 2026 522,712 2.1% 1.6

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