Idt Corp. Class BIDT
13F holders, Q2 2025 (June 30)191holders +19
38new positions
17sold out
8famous investors
$68.35avg. 13F price*
At the end of Q2 2025, 191 institutions reported holding Idt Corp. Class B (IDT) in their 13F filings, up 19 from Q1 2025. 38 opened new positions and 17 sold out. The largest holders were BlackRock, Inc. ($120.0M), Vanguard Group Inc. ($90.0M) and Renaissance Technologies ($75.1M). 8 famous investors held it, including Jim Simons / Peter Brown (0.1% of Renaissance Technologies's portfolio), Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Idt Corp. Class B
- CUSIP
- 448947507
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 38 | $54.5M |
| Exits | 17 | $7.7M |
All 13F filers, Q1 2025 → Q2 2025: 2,296,807 shares bought and 1,327,245 shares sold, net +969,562 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 191 holders
| BlackRock, Inc. | 0.00% | Add +7.1% | 1,756,057 | $120.0M |
| Vanguard Group Inc. | 0.00% | Add +2.2% | 1,317,527 | $90.0M |
| Renaissance Technologies | 0.10% | Reduce -1.1% | 1,099,839 | $75.1M |
| Dimensional Fund Advisors LP | 0.02% | Reduce -5.9% | 951,533 | $65.0M |
| State Street Corp. | 0.00% | Add +26.8% | 504,220 | $34.4M |
| Geode Capital Management, LLC | 0.00% | Add +4.4% | 460,089 | $31.4M |
| Kahn Brothers Group Inc. | 5.44% | Add +8.5% | 396,564 | $27.1M |
| D. E. Shaw & Co. | 0.03% | Add +8.2% | 374,126 | $25.6M |
| Deutsche Bank AG | 0.01% | Reduce -0.5% | 328,020 | $22.4M |
| First Trust Advisors LP | 0.02% | New | 323,121 | $22.1M |
| Wealth Enhancement Advisory Services, LLC | 0.03% | Reduce -45.0% | 282,626 | $19.7M |
| Nuveen, LLC | 0.01% | Add +32.6% | 268,951 | $18.4M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +44.7% | 257,908 | $17.6M |
| Acadian Asset Management LLC | 0.03% | Add +196.0% | 239,647 | $16.3M |
| Morgan Stanley | 0.00% | Add +8.2% | 217,874 | $14.9M |
| Qube Research & Technologies Ltd | 0.02% | Add +62.4% | 185,150 | $12.6M |
| Goldman Sachs Group Inc. | 0.00% | Add +86.1% | 182,083 | $12.4M |
| Northern Trust Corp. | 0.00% | Reduce -0.6% | 163,720 | $11.2M |
| FMR LLC | 0.00% | Add +11.2% | 148,246 | $10.1M |
| Cerity Partners LLC | 0.02% | Add +0.2% | 147,219 | $10.1M |
| Two Sigma Investments, LP | 0.01% | Add +53.0% | 115,364 | $7.9M |
| Bank of New York Mellon Corp | 0.00% | Add +2.3% | 113,762 | $7.8M |
| Millennium Management | 0.01% | Reduce -41.4% | 95,982 | $6.6M |
| Barclays PLC | 0.00% | Add +41.9% | 95,583 | $6.5M |
| Marshall Wace, LLP | 0.01% | Add +1436.4% | 94,674 | $6.5M |
| Algert Global LLC | 0.13% | Add +40.5% | 92,102 | $6.3M |
| Allspring Global Investments Holdings, LLC | 0.01% | Add +4.6% | 90,760 | $6.2M |
| Alta Fox Capital Management, LLC | 1.64% | Reduce -34.9% | 88,530 | $6.0M |
| Pacer Advisors, Inc. | 0.02% | New | 87,842 | $6.0M |
| Russell Investments Group, Ltd. | 0.01% | Reduce -46.5% | 85,910 | $5.9M |
| CSM Advisors, LLC | 0.16% | New | 82,075 | $5.6M |
| Emmett Investment Management, LP | 4.39% | Reduce -34.1% | 80,170 | $5.5M |
| Citadel Advisors | 0.00% | Reduce -42.8% | 79,877 | $5.5M |
| Panagora Asset Management Inc. | 0.02% | Add +96.4% | 73,338 | $5.0M |
| Royce & Associates LP | 0.05% | Reduce -86.4% | 70,865 | $4.8M |
| JPMorgan Chase & Co. | 0.00% | Reduce -9.7% | 70,119 | $4.8M |
| Bank of America Corp. | 0.00% | Reduce -19.9% | 66,449 | $4.5M |
| Tudor Investment Corporation | 0.03% | Add +3.5% | 66,032 | $4.5M |
| Invesco Ltd. | 0.00% | Add +120.5% | 65,286 | $4.5M |
| Trexquant Investment LP | 0.05% | Add +203.7% | 64,166 | $4.4M |
| AQR Capital Management | 0.00% | Add +4.3% | 60,705 | $4.1M |
| American Century Companies Inc. | 0.00% | Add +1.8% | 57,157 | $3.9M |
| Jump Financial, LLC | 0.05% | Add +336.9% | 57,020 | $3.9M |
| Cubist Systematic Strategies, LLC | 0.04% | Add +88.5% | 53,911 | $3.7M |
| Lazard Asset Management LLC | 0.01% | Add +310.8% | 53,340 | $3.6M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +70.7% | 53,187 | $3.6M |
| Susquehanna International Group, LLP | 0.01% | Add +73.3% | 50,750 | $3.5M |
| Two Sigma Advisers, LP | 0.01% | Add +62.2% | 50,600 | $3.5M |
| BNP Paribas Financial Markets | 0.00% | Add +65.3% | 44,539 | $3.0M |
| Balyasny Asset Management L.P. | 0.01% | Add +38.2% | 43,468 | $3.0M |
| Prudential Financial Inc. | 0.00% | Add +643.7% | 41,697 | $2.8M |
| Swiss National Bank | 0.00% | Reduce -1.7% | 40,600 | $2.8M |
| Arrowstreet Capital, Limited Partnership | 0.00% | New | 38,921 | $2.7M |
| Norges Bank | 0.00% | No change | 38,400 | $2.6M |
| Legal & General Group Plc | 0.00% | Add +7.1% | 34,161 | $2.3M |
| Jacobs Levy Equity Management, Inc. | 0.01% | Add +29.6% | 33,252 | $2.3M |
| State Board of Administration of Florida Retirement System | 0.00% | Reduce -14.7% | 32,871 | $2.2M |
| PDT Partners, LLC | 0.12% | Add +183.0% | 31,893 | $2.2M |
| Franklin Resources Inc. | 0.00% | Add +2.9% | 31,758 | $2.2M |
| Rhumbline Advisers | 0.00% | Add +14.0% | 29,925 | $2.0M |
| Americana Partners, LLC | 0.07% | New | 29,166 | $2.0M |
| Citigroup Inc. | 0.00% | Add +85.0% | 28,730 | $2.0M |
| Wells Fargo & Company | 0.00% | Add +19.7% | 26,576 | $1.8M |
| Victory Capital Management Inc. | 0.00% | Add +48.1% | 26,570 | $1.8M |
| Segall Bryant & Hamill, LLC | 0.02% | New | 25,626 | $1.8M |
| HSBC Holdings PLC | 0.00% | Add +23.3% | 24,726 | $1.7M |
| Quantbot Technologies LP | 0.04% | Add +206.3% | 23,760 | $1.6M |
| Pacific Capital Partners Ltd | 1.52% | Reduce -23.1% | 23,672 | $1.6M |
| Assenagon Asset Management S.A. | 0.00% | Add +8.2% | 22,417 | $1.5M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | New | 21,647 | $1.5M |
| Nebula Research & Development LLC | 0.13% | Add +67.5% | 21,559 | $1.5M |
| O'shaughnessy Asset Management, LLC | 0.01% | Reduce -26.6% | 20,986 | $1.4M |
| Martingale Asset Management L P | 0.04% | Add +1.5% | 20,910 | $1.4M |
| OP Asset Management Ltd | 0.02% | Reduce -13.8% | 20,848 | $1.4M |
| Brevan Howard Capital Management LP | 0.01% | New | 19,368 | $1.3M |
| Susquehanna Fundamental Investments, LLC | 0.03% | Reduce -13.2% | 18,415 | $1.3M |
| Dark Forest Capital Management LP | 0.05% | New | 18,290 | $1.2M |
| Vest Financial, LLC | 0.02% | New | 17,737 | $1.2M |
| Sei Investments Co. | 0.00% | Add +71.1% | 17,271 | $1.2M |
| Teacher Retirement System of Texas | 0.00% | Reduce -19.3% | 17,207 | $1.2M |
| Alliancebernstein L.P. | 0.00% | Reduce -15.3% | 17,162 | $1.2M |
| VIRGINIA RETIREMENT SYSTEMS ET Al | 0.01% | New | 16,800 | $1.1M |
| Ritholtz Wealth Management | 0.02% | Reduce -24.9% | 15,975 | $1.1M |
| Gsa Capital Partners LLP | 0.07% | New | 15,449 | $1.1M |
| California State Teachers Retirement System | 0.00% | Reduce -0.8% | 15,345 | $1.0M |
| Engineers Gate Manager LP | 0.01% | Reduce -0.2% | 14,665 | $1.0M |
| Campbell & CO Investment Adviser LLC | 0.06% | Add +18.9% | 13,131 | $897K |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -3.1% | 12,410 | $848K |
| Magnetar Financial LLC | 0.00% | Reduce -41.6% | 11,981 | $819K |
| Dynamic Technology Lab Private Ltd | 0.11% | New | 11,710 | $800K |
| Intech Investment Management LLC | 0.01% | Add +40.6% | 11,617 | $794K |
| Susquehanna Portfolio Strategies, LLC | 0.02% | New | 11,020 | $753K |
| Los Angeles Capital Management LLC | 0.00% | Reduce -29.4% | 10,874 | $743K |
| UBS Group AG | 0.00% | Add +22.3% | 10,427 | $712K |
| Hennion & Walsh Asset Management, Inc. | 0.03% | Add +76.2% | 10,404 | $711K |
| Mackenzie Financial Corp. | 0.00% | Reduce -49.6% | 10,343 | $707K |
| STRS Ohio | 0.00% | Add +17.4% | 10,100 | $690K |
| MetLife Investment Management, LLC | 0.00% | Add +10.3% | 10,052 | $687K |
| HRT Financial LP | 0.00% | Reduce -58.1% | 9,951 | $679K |
| Y-Intercept (Hong Kong) Ltd | 0.02% | Add +0.3% | 9,916 | $677K |
"% of holder's portfolio" is IDT's weight in each manager's 13F, not the share of Idt Corp. Class B the manager owns.