Idt Corp. Class BIDT
13F holders, Q1 2025 (March 31)172holders +9
23new positions
15sold out
7famous investors
$51.32avg. 13F price*
At the end of Q1 2025, 172 institutions reported holding Idt Corp. Class B (IDT) in their 13F filings, up 9 from Q4 2024. 23 opened new positions and 15 sold out. The largest holders were BlackRock, Inc. ($84.1M), Vanguard Group Inc. ($66.1M) and Renaissance Technologies ($57.1M). 7 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 Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 23 | $7.5M |
| Exits | 15 | $4.9M |
All 13F filers, Q4 2024 → Q1 2025: 1,186,516 shares bought and 429,721 shares sold, net +756,795 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 172 holders
| BlackRock, Inc. | 0.00% | Reduce -0.1% | 1,639,805 | $84.1M |
| Vanguard Group Inc. | 0.00% | Add +1.8% | 1,288,634 | $66.1M |
| Renaissance Technologies | 0.09% | Add +2.9% | 1,112,006 | $57.1M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -5.7% | 1,011,027 | $51.9M |
| Royce & Associates LP | 0.29% | Reduce -11.8% | 521,728 | $26.8M |
| Wealth Enhancement Advisory Services, LLC | 0.05% | Add +0.5% | 514,043 | $26.4M |
| Geode Capital Management, LLC | 0.00% | Add +3.4% | 440,814 | $22.6M |
| State Street Corp. | 0.00% | Reduce -2.1% | 397,526 | $20.4M |
| Kahn Brothers Group Inc. | 3.79% | Add +53.0% | 365,536 | $18.8M |
| D. E. Shaw & Co. | 0.02% | Reduce -1.6% | 345,773 | $17.7M |
| Deutsche Bank AG | 0.01% | Reduce -0.3% | 329,544 | $16.9M |
| Nuveen, LLC | 0.00% | — | 202,856 | $10.4M |
| Morgan Stanley | 0.00% | Add +14.5% | 201,307 | $10.3M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +9.6% | 178,265 | $9.1M |
| Northern Trust Corp. | 0.00% | Reduce -2.4% | 164,626 | $8.4M |
| Millennium Management | 0.01% | Add +392.6% | 163,830 | $8.4M |
| Russell Investments Group, Ltd. | 0.01% | Add +6.7% | 160,674 | $8.2M |
| Cerity Partners LLC | 0.02% | Add +55.3% | 146,876 | $7.5M |
| Citadel Advisors | 0.01% | Add +56.6% | 139,623 | $7.2M |
| Alta Fox Capital Management, LLC | 2.77% | Add +37.5% | 136,060 | $7.0M |
| FMR LLC | 0.00% | Add +41.6% | 133,343 | $6.8M |
| Emmett Investment Management, LP | 5.85% | Add +10.0% | 121,691 | $6.4M |
| Qube Research & Technologies Ltd | 0.01% | Add +3.2% | 114,016 | $5.9M |
| Bank of New York Mellon Corp | 0.00% | Reduce -0.3% | 111,252 | $5.7M |
| Foundry Partners, LLC | 0.27% | Reduce -0.6% | 100,140 | $5.1M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -7.6% | 97,833 | $5.0M |
| Allspring Global Investments Holdings, LLC | 0.01% | Add +209.6% | 86,741 | $4.5M |
| Bank of America Corp. | 0.00% | Add +52.5% | 82,937 | $4.3M |
| Acadian Asset Management LLC | 0.01% | Add +172.6% | 80,974 | $4.1M |
| Orchard Capital Management, LLC | 2.77% | Add +303.8% | 78,945 | $4.1M |
| JPMorgan Chase & Co. | 0.00% | Reduce -31.1% | 77,635 | $4.0M |
| Two Sigma Investments, LP | 0.01% | Add +58.4% | 75,386 | $3.9M |
| Barclays PLC | 0.00% | Add +39.5% | 67,345 | $3.5M |
| Algert Global LLC | 0.08% | Reduce -8.0% | 65,568 | $3.4M |
| Tudor Investment Corporation | 0.03% | Add +68.8% | 63,785 | $3.3M |
| AQR Capital Management | 0.00% | Add +40.2% | 58,197 | $3.0M |
| American Century Companies Inc. | 0.00% | Add +20.5% | 56,127 | $2.9M |
| Swiss National Bank | 0.00% | Add +26.7% | 41,300 | $2.1M |
| State Board of Administration of Florida Retirement System | 0.00% | Reduce -4.5% | 38,529 | $2.0M |
| Norges Bank | 0.00% | Reduce -16.0% | 38,400 | $2.0M |
| Panagora Asset Management Inc. | 0.01% | Add +111.0% | 37,337 | $1.9M |
| Legal & General Group Plc | 0.00% | Add +9.6% | 31,892 | $1.6M |
| Balyasny Asset Management L.P. | 0.00% | Reduce -0.1% | 31,444 | $1.6M |
| Two Sigma Advisers, LP | 0.00% | Add +43.8% | 31,200 | $1.6M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +6.1% | 31,162 | $1.6M |
| Franklin Resources Inc. | 0.00% | Add +117.2% | 30,872 | $1.6M |
| Pacific Capital Partners Ltd | 1.00% | New | 30,786 | $1.6M |
| Invesco Ltd. | 0.00% | Add +3.5% | 29,615 | $1.5M |
| Susquehanna International Group, LLP | 0.00% | Add +68.1% | 29,290 | $1.5M |
| O'shaughnessy Asset Management, LLC | 0.01% | Add +28.7% | 28,608 | $1.5M |
| Cubist Systematic Strategies, LLC | 0.02% | Reduce -10.6% | 28,607 | $1.5M |
| BNP Paribas Financial Markets | 0.00% | Add +163.0% | 26,947 | $1.4M |
| Rhumbline Advisers | 0.00% | Add +1.2% | 26,240 | $1.3M |
| Jacobs Levy Equity Management, Inc. | 0.01% | No change | 25,666 | $1.3M |
| OP Asset Management Ltd | 0.02% | — | 24,195 | $1.2M |
| HRT Financial LP | 0.01% | Add +1.7% | 23,778 | $1.2M |
| Wells Fargo & Company | 0.00% | Add +67.3% | 22,204 | $1.1M |
| Teacher Retirement System of Texas | 0.00% | Reduce -55.0% | 21,319 | $1.1M |
| Ritholtz Wealth Management | 0.03% | Add +38.2% | 21,266 | $1.1M |
| Susquehanna Fundamental Investments, LLC | 0.02% | Add +17.2% | 21,215 | $1.1M |
| Trexquant Investment LP | 0.01% | New | 21,131 | $1.1M |
| Assenagon Asset Management S.A. | 0.00% | New | 20,716 | $1.1M |
| Martingale Asset Management L P | 0.03% | Add +1.0% | 20,610 | $1.1M |
| Magnetar Financial LLC | 0.01% | Add +62.4% | 20,528 | $1.1M |
| Mackenzie Financial Corp. | 0.00% | Add +44.3% | 20,528 | $1.1M |
| Alliancebernstein L.P. | 0.00% | No change | 20,250 | $1.0M |
| HSBC Holdings PLC | 0.00% | Add +7.9% | 20,051 | $1.0M |
| Victory Capital Management Inc. | 0.00% | Reduce -51.0% | 17,936 | $920K |
| State of Wisconsin Investment Board | 0.00% | Add +0.9% | 16,031 | $823K |
| Citigroup Inc. | 0.00% | Reduce -5.8% | 15,529 | $797K |
| California State Teachers Retirement System | 0.00% | No change | 15,467 | $794K |
| Los Angeles Capital Management LLC | 0.00% | Reduce -12.5% | 15,399 | $790K |
| Engineers Gate Manager LP | 0.01% | Add +14.8% | 14,689 | $754K |
| Semanteon Capital Management, LP | 0.39% | New | 14,160 | $727K |
| Jump Financial, LLC | 0.01% | Add +110.5% | 13,050 | $670K |
| Lazard Asset Management LLC | 0.00% | Add +29.8% | 12,983 | $664K |
| Nebula Research & Development LLC | 0.06% | Reduce -8.7% | 12,869 | $660K |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -11.2% | 12,807 | $658K |
| Aviva PLC | 0.00% | Add +0.5% | 12,133 | $623K |
| PDT Partners, LLC | 0.04% | New | 11,271 | $578K |
| Campbell & CO Investment Adviser LLC | 0.04% | Reduce -60.1% | 11,046 | $567K |
| Occudo Quantitative Strategies LP | 0.07% | Add +9.8% | 10,315 | $535K |
| Aquatic Capital Management LLC | 0.01% | Add +49.9% | 10,100 | $518K |
| Sei Investments Co. | 0.00% | Add +63.0% | 10,092 | $518K |
| Y-Intercept (Hong Kong) Ltd | 0.03% | Reduce -4.5% | 9,886 | $507K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +4.3% | 9,156 | $470K |
| MetLife Investment Management, LLC | 0.00% | Reduce -1.9% | 9,114 | $468K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +53.3% | 8,776 | $450K |
| Janus Henderson Group PLC | 0.00% | No change | 8,681 | $450K |
| STRS Ohio | 0.00% | Reduce -35.3% | 8,600 | $441K |
| UBS Group AG | 0.00% | Reduce -20.6% | 8,526 | $437K |
| Intech Investment Management LLC | 0.00% | Add +1.4% | 8,261 | $424K |
| Group One Trading LLC | 0.02% | Reduce -4.1% | 7,957 | $408K |
| Jane Street Group, LLC | 0.00% | Reduce -32.6% | 7,892 | $405K |
| Quantbot Technologies LP | 0.01% | Add +185.0% | 7,757 | $398K |
| Steward Partners Investment Advisory, LLC | 0.00% | No change | 7,739 | $397K |
| Tidal Investments LLC | 0.00% | New | 7,723 | $396K |
| Corebridge Financial, Inc. | 0.00% | Reduce -1.4% | 7,555 | $388K |
| Verition Fund Management LLC | 0.00% | Add +23.8% | 7,290 | $374K |
| Osaic Holdings, Inc. | 0.00% | Add +1.5% | 7,247 | $372K |
"% of holder's portfolio" is IDT's weight in each manager's 13F, not the share of Idt Corp. Class B the manager owns.