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Who owns IDT (IDT) stock

192 funds reported IDT (IDT) shares in their latest 13F filings, worth $852M in all. The largest holder is BlackRock ($112M). Last quarter 97 funds added to their stakes and 84 cut them.

Largest holders of IDT (13F)Largest holders of IDT (13F)BlackRock$112MVanguard Group$66.5MVanguard Capital Management LLC$51.6MRenaissance Technologies LLC$51.1MDimensional Fund Advisors LP$45.4MGeode Capital Management, LLC$38.0MState Street$35.9MFirst Trust Advisors LP$29.8MDeutsche Bank Ag\$28.6MAmerican Century Companies$24.3M

Largest holders (13F)

FundSharesValueChangeQuarter
BlackRock1,923,496$112Mincrease2026-06-30
Vanguard Group1,298,086$66.5Mdecrease2025-12-31
Vanguard Capital Management LLC887,211$51.6Mincrease2026-06-30
Renaissance Technologies LLC879,008$51.1Mdecrease2026-06-30
Dimensional Fund Advisors LP779,838$45.4Mdecrease2026-06-30
Geode Capital Management, LLC653,066$38.0Mincrease2026-06-30
State Street616,837$35.9Mincrease2026-06-30
First Trust Advisors LP512,873$29.8Mincrease2026-06-30
Deutsche Bank Ag\357,808$28.6Mdecrease2026-09-30
American Century Companies416,982$24.3Mincrease2026-06-30
Morgan Stanley343,468$20.0Mincrease2026-06-30
D. E. Shaw295,788$17.2Mincrease2026-06-30
Jacobs Levy Equity Management279,425$16.3Mdecrease2026-06-30
Nuveen, LLC272,064$15.8Mincrease2026-06-30
Charles Schwab Investment Management255,279$14.8Mdecrease2026-06-30

IDT's latest quarter

IDT, Q4 FY26: revenue $339M (+7% year over year), operating margin 9.8%, net earnings $21.7M, operating cash flow $44.4M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most IDT stock?

By the latest 13F filings: BlackRock ($112M); Vanguard Group ($66.5M); Vanguard Capital Management LLC ($51.6M); Renaissance Technologies LLC ($51.1M); Dimensional Fund Advisors LP ($45.4M).

What is the short interest in IDT?

955,799 shares were sold short at the 2026-10-15 settlement, 28.13% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.