Who owns IDT CORP?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of IDT from SEC Form 13F filings across 197 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 197 institutions disclosed 14.0M shares of IDT CORP worth $815.1M — about 56.1% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
197
13F holders
$815.1M
value, 2026 filers
56.1%
of shares outstanding (14.0M sh)
24
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of IDT's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 1.9M | $111.9M | 0.0% | 7.7% | +8.4% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 887,211 | $51.6M | 0.0% | 3.5% | +0.7% |
| 3 | RENAISSANCE TECHNOLOGIES LLC | 879,008 | $51.1M | 0.1% | 3.5% | -7.1% |
| 4 | DIMENSIONAL FUND ADVISORS LP | 779,838 | $45.4M | 0.0% | 3.1% | -1.0% |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 653,066 | $38.0M | 0.0% | 2.6% | +8.0% |
| 6 | STATE STREET CORP | 616,837 | $35.9M | 0.0% | 2.5% | +15.4% |
| 7 | FIRST TRUST ADVISORS LP | 512,873 | $29.8M | 0.0% | 2.1% | +740.2% |
| 8 | AMERICAN CENTURY COMPANIES INC | 416,982 | $24.3M | 0.0% | 1.7% | +345.5% |
| 9 | DEUTSCHE BANK AG\ | 386,746 | $22.5M | 0.0% | 1.5% | +0.5% |
| 10 | KAHN BROTHERS GROUP INC | 351,660 | $20.5M | 3.2% | 1.4% | -5.6% |
| 11 | MORGAN STANLEY | 343,468 | $20.0M | 0.0% | 1.4% | +46.4% |
| 12 | D. E. Shaw & Co., Inc. | 295,788 | $17.2M | 0.0% | 1.2% | +24.1% |
| 13 | JACOBS LEVY EQUITY MANAGEMENT, INC | 279,425 | $16.3M | 0.1% | 1.1% | -4.1% |
| 14 | Nuveen, LLC | 272,064 | $15.8M | 0.0% | 1.1% | +23.2% |
| 15 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 255,279 | $14.8M | 0.0% | 1% | -10.7% |
| 16 | VANGUARD PORTFOLIO MANAGEMENT LLC | 244,757 | $14.2M | 0.0% | 1% | -2.1% |
| 17 | COOKE & BIELER LP | 242,039 | $14.1M | 0.2% | 1% | -40.9% |
| 18 | AQR CAPITAL MANAGEMENT LLC | 186,236 | $10.8M | 0.0% | 0.7% | +103.5% |
| 19 | NORTHERN TRUST CORP | 167,872 | $9.8M | 0.0% | 0.7% | +6.4% |
| 20 | MILLENNIUM MANAGEMENT LLC | 167,669 | $9.8M | 0.0% | 0.7% | -24.8% |
| 21 | WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | 160,080 | $9.8M | 0.0% | 0.6% | -11.8% |
| 22 | TWO SIGMA INVESTMENTS, LP | 159,819 | $9.3M | 0.0% | 0.6% | -11.0% |
| 23 | Cerity Partners LLC | 148,010 | $8.6M | 0.0% | 0.6% | +3.6% |
| 24 | GOLDMAN SACHS GROUP INC | 143,921 | $8.4M | 0.0% | 0.6% | +2.2% |
| 25 | UBS Group AG | 142,293 | $8.3M | 0.0% | 0.6% | +32.6% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.