Idt Corp. Class BIDT
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 203 institutions reported holding Idt Corp. Class B (IDT) in their 13F filings, up 3 from Q4 2025. 23 opened new positions and 23 sold out. The largest holders were BlackRock, Inc. ($87.1M), Renaissance Technologies ($46.4M) and Vanguard Capital Management LLC ($43.3M). 7 famous investors held it, including Jim Simons / Peter Brown (0.1% of Renaissance Technologies's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Steve Cohen (0.0% of Point72 Asset Management's portfolio).
- Company
- Idt Corp. Class B
- CUSIP
- 448947507
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 23 | $11.7M |
| Exits | 23 | $9.5M |
All 13F filers, Q4 2025 → Q1 2026: 1,167,668 shares bought and 1,050,474 shares sold, net +117,194 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 203 holders
| BlackRock, Inc. | 0.00% | Add +2.6% | 1,773,958 | $87.1M |
| Renaissance Technologies | 0.07% | Reduce -3.0% | 946,013 | $46.4M |
| Vanguard Capital Management LLC | 0.00% | — | 881,088 | $43.3M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -2.3% | 788,047 | $38.7M |
| Geode Capital Management, LLC | 0.00% | Add +8.0% | 604,728 | $29.7M |
| State Street Corp. | 0.00% | Add +9.3% | 534,508 | $26.2M |
| Cooke & Bieler LP | 0.23% | Add +4.7% | 409,386 | $20.1M |
| Deutsche Bank AG | 0.01% | Add +2.8% | 384,957 | $18.9M |
| Kahn Brothers Group Inc. | 3.24% | Reduce -5.0% | 372,566 | $18.3M |
| Jacobs Levy Equity Management, Inc. | 0.06% | Reduce -0.4% | 291,451 | $14.3M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -4.7% | 285,758 | $14.0M |
| Vanguard Portfolio Management LLC | 0.00% | — | 250,030 | $12.3M |
| D. E. Shaw & Co. | 0.01% | Add +1.6% | 238,338 | $11.7M |
| Morgan Stanley | 0.00% | Add +3.5% | 234,661 | $11.5M |
| Millennium Management | 0.01% | Reduce -18.8% | 222,925 | $10.9M |
| Nuveen, LLC | 0.00% | Add +35.0% | 220,806 | $10.8M |
| Jane Street Group, LLC | 0.01% | Add +63.6% | 195,961 | $9.6M |
| Two Sigma Investments, LP | 0.01% | Add +117.4% | 179,497 | $8.8M |
| Wealth Enhancement Advisory Services, LLC | 0.02% | Reduce -45.1% | 181,423 | $8.8M |
| Qube Research & Technologies Ltd | 0.01% | Reduce -33.7% | 160,534 | $7.9M |
| Northern Trust Corp. | 0.00% | Add +2.5% | 157,832 | $7.7M |
| Royce & Associates LP | 0.07% | Reduce -16.1% | 144,628 | $7.1M |
| Cerity Partners LLC | 0.01% | Add +0.4% | 142,815 | $7.0M |
| Goldman Sachs Group Inc. | 0.00% | Add +14.8% | 140,765 | $6.9M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 136,696 | $6.7M |
| FMR LLC | 0.00% | Reduce -6.8% | 127,318 | $6.3M |
| Bank of New York Mellon Corp | 0.00% | Add +0.9% | 117,607 | $5.8M |
| Citadel Advisors | 0.00% | Reduce -5.2% | 115,840 | $5.7M |
| Point72 Asset Management | 0.01% | Add +5.2% | 109,796 | $5.4M |
| UBS Group AG | 0.00% | Reduce -13.8% | 107,270 | $5.3M |
| CSM Advisors, LLC | 0.12% | Reduce -0.4% | 103,520 | $5.1M |
| Alta Fox Capital Management, LLC | 1.26% | New | 97,010 | $4.8M |
| American Century Companies Inc. | 0.00% | Add +46.1% | 93,605 | $4.6M |
| AQR Capital Management | 0.00% | Add +20.4% | 91,535 | $4.5M |
| Pacer Advisors, Inc. | 0.01% | Add +26.0% | 90,395 | $4.4M |
| Man Group plc | 0.01% | Add +317.3% | 89,589 | $4.4M |
| Russell Investments Group, Ltd. | 0.00% | Reduce -8.8% | 88,826 | $4.4M |
| Lazard Asset Management LLC | 0.01% | Reduce -1.6% | 87,968 | $4.3M |
| Algert Global LLC | 0.06% | Reduce -41.5% | 85,440 | $4.2M |
| HRT Financial LP | 0.01% | Reduce -39.6% | 81,194 | $4.0M |
| Panagora Asset Management Inc. | 0.01% | Add +0.8% | 74,574 | $3.7M |
| OP Asset Management Ltd | 0.04% | Add +189.5% | 71,705 | $3.5M |
| JPMorgan Chase & Co. | 0.00% | Add +50.1% | 70,154 | $3.4M |
| Franklin Resources Inc. | 0.00% | Add +68.4% | 62,624 | $3.1M |
| First Trust Advisors LP | 0.00% | Add +22.2% | 61,044 | $3.0M |
| Veradace Capital Management LLC | 2.63% | Add +46.1% | 60,179 | $3.0M |
| Barclays PLC | 0.00% | Reduce -12.9% | 59,718 | $2.9M |
| Bank of America Corp. | 0.00% | Reduce -14.8% | 52,122 | $2.6M |
| Alliancebernstein L.P. | 0.00% | Add +18.4% | 49,922 | $2.6M |
| Engineers Gate Manager LP | 0.03% | Add +213.1% | 51,177 | $2.5M |
| Martingale Asset Management L P | 0.06% | Add +109.2% | 48,985 | $2.4M |
| Emmett Investment Management, LP | 1.59% | Add +64.8% | 42,078 | $2.1M |
| Swiss National Bank | 0.00% | No change | 42,000 | $2.1M |
| HSBC Holdings PLC | 0.00% | Add +91.4% | 37,125 | $1.8M |
| Victory Capital Management Inc. | 0.00% | Add +9.5% | 36,451 | $1.8M |
| Magnetar Financial LLC | 0.02% | Add +115.3% | 35,902 | $1.8M |
| Creative Planning | 0.00% | Add +70.3% | 33,656 | $1.7M |
| Invesco Ltd. | 0.00% | Add +4.0% | 33,191 | $1.6M |
| Trexquant Investment LP | 0.01% | Add +34.2% | 31,862 | $1.6M |
| Edgestream Partners, L.P. | 0.05% | New | 31,375 | $1.5M |
| Americana Partners, LLC | 0.04% | No change | 29,166 | $1.4M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +6.7% | 29,104 | $1.4M |
| Principal Financial Group Inc. | 0.00% | Add +28.1% | 26,757 | $1.3M |
| Legal & General Group Plc | 0.00% | Reduce -15.2% | 26,383 | $1.3M |
| Dark Forest Capital Management LP | 0.11% | Reduce -11.8% | 26,228 | $1.3M |
| Segall Bryant & Hamill, LLC | 0.02% | Add +0.4% | 25,629 | $1.3M |
| Rhumbline Advisers | 0.00% | Reduce -2.4% | 25,195 | $1.2M |
| PDT Partners, LLC | 0.07% | No change | 23,134 | $1.1M |
| Gotham Asset Management | 0.00% | Add +8.1% | 23,092 | $1.1M |
| Susquehanna Portfolio Strategies, LLC | 0.02% | Reduce -8.3% | 23,025 | $1.1M |
| Wells Fargo & Company | 0.00% | Reduce -35.1% | 22,478 | $1.1M |
| Los Angeles Capital Management LLC | 0.00% | Add +136.7% | 22,454 | $1.1M |
| XTX Topco Ltd | 0.02% | New | 21,919 | $1.1M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | Reduce -30.8% | 21,811 | $1.1M |
| Ameriprise Financial Inc. | 0.00% | Reduce -16.5% | 21,479 | $1.1M |
| Acadian Asset Management LLC | 0.00% | Reduce -89.9% | 20,815 | $1.0M |
| California State Teachers Retirement System | 0.00% | Reduce -0.6% | 19,345 | $950K |
| VIRGINIA RETIREMENT SYSTEMS ET Al | 0.01% | Reduce -0.5% | 19,000 | $933K |
| Balyasny Asset Management L.P. | 0.00% | Add +207.3% | 18,959 | $931K |
| Quantbot Technologies LP | 0.04% | New | 17,587 | $864K |
| T. Rowe Price Associates Inc. | 0.00% | Add +21.0% | 16,651 | $818K |
| VARCOV Co. | 0.30% | Add +229.5% | 16,229 | $797K |
| Vident Advisory, LLC | 0.01% | Add +10.2% | 15,573 | $765K |
| State of Wisconsin Investment Board | 0.00% | Add +14.6% | 15,500 | $761K |
| BNP Paribas Financial Markets | 0.00% | Reduce -58.2% | 14,298 | $702K |
| Hennion & Walsh Asset Management, Inc. | 0.02% | Reduce -1.9% | 13,987 | $687K |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 13,179 | $647K |
| O'shaughnessy Asset Management, LLC | 0.00% | Reduce -19.3% | 12,750 | $626K |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 0.01% | Add +25.3% | 12,680 | $623K |
| Canada Pension Plan Investment Board | 0.00% | No change | 12,200 | $599K |
| Counterpoint Mutual Funds LLC | 0.09% | New | 11,965 | $587K |
| Meeder Asset Management Inc. | 0.03% | Add +1186.3% | 11,860 | $582K |
| Susquehanna International Group, LLP | 0.00% | Reduce -48.8% | 11,135 | $547K |
| Dynamic Technology Lab Private Ltd | 0.09% | Add +23.3% | 10,957 | $538K |
| SG Americas Securities, LLC | 0.00% | Reduce -28.8% | 10,401 | $511K |
| Y-Intercept (Hong Kong) Ltd | 0.01% | Add +17.4% | 10,333 | $507K |
| Public Employees Retirement System of Ohio | 0.00% | Add +0.8% | 10,163 | $499K |
| Ritholtz Wealth Management | 0.01% | Reduce -22.4% | 9,924 | $487K |
| Quantinno Capital Management LP | 0.00% | Add +40.8% | 9,422 | $463K |
| MetLife Investment Management, LLC | 0.00% | Reduce -1.2% | 9,208 | $452K |
"% of holder's portfolio" is IDT's weight in each manager's 13F, not the share of Idt Corp. Class B the manager owns.