Idt Corp. Class BIDT
13F holders, Q2 2025 (June 30)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 |
| Aquatic Capital Management LLC | 0.01% | Reduce -3.2% | 9,778 | $668K |
| State of Wisconsin Investment Board | 0.00% | Reduce -42.3% | 9,256 | $632K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +3.3% | 9,067 | $619K |
| Verition Fund Management LLC | 0.00% | Add +24.4% | 9,065 | $619K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -2.9% | 8,888 | $607K |
| Janus Henderson Group PLC | 0.00% | No change | 8,681 | $594K |
| Centiva Capital, LP | 0.04% | Add +89.9% | 8,111 | $554K |
| Tidal Investments LLC | 0.00% | Add +4.8% | 8,092 | $553K |
| Occudo Quantitative Strategies LP | 0.06% | Reduce -23.9% | 7,851 | $536K |
| Steward Partners Investment Advisory, LLC | 0.00% | Reduce -1.3% | 7,639 | $522K |
| Aviva PLC | 0.00% | Reduce -37.6% | 7,567 | $517K |
| Raymond James Financial Inc. | 0.00% | New | 6,570 | $449K |
| Osaic Holdings, Inc. | 0.00% | Reduce -9.8% | 6,536 | $447K |
| Petrus Trust Company, LTA | 0.05% | New | 6,523 | $446K |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 0.01% | Add +1.8% | 6,474 | $442K |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | Add +15.8% | 6,397 | $437K |
| Arizona State Retirement System | 0.00% | Add +1.6% | 6,209 | $424K |
| Gotham Asset Management | 0.00% | New | 5,845 | $399K |
| PAX Financial Group, LLC | 0.07% | New | 5,681 | $388K |
| Man Group plc | 0.00% | New | 5,577 | $381K |
| State of Wyoming | 0.05% | Reduce -6.9% | 5,472 | $374K |
| New York State Common Retirement Fund | 0.00% | No change | 5,329 | $364K |
| Mraz, Amerine & Associates, Inc. | 0.06% | Reduce -8.0% | 5,218 | $356K |
| Mariner, LLC | 0.00% | Reduce -1.8% | 5,189 | $354K |
| Principal Financial Group Inc. | 0.00% | Reduce -16.5% | 5,119 | $350K |
| Polymer Capital Management (US) LLC | 0.06% | New | 4,962 | $339K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +52.4% | 4,878 | $333K |
| Merit Financial Group, LLC | 0.00% | New | 4,687 | $320K |
| Versor Investments LP | 0.06% | New | 4,668 | $319K |
| Voya Investment Management LLC | 0.00% | Add +1.7% | 4,543 | $310K |
| Diversified Trust Co. | 0.01% | Add +4.6% | 4,314 | $295K |
| KLP Kapitalforvaltning As | 0.00% | Reduce -22.2% | 4,200 | $287K |
| XTX Topco Ltd | 0.01% | New | 4,013 | $274K |
| Harbor Capital Advisors, Inc. | 0.01% | Add +24.1% | 3,856 | $263K |
| Vanguard Personalized Indexing Management, LLC | 0.00% | New | 3,794 | $259K |
| Exchange Traded Concepts, LLC | 0.00% | Reduce -24.6% | 3,741 | $256K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 3,627 | $248K |
| Gabelli Funds LLC | 0.00% | New | 3,500 | $239K |
| Vestcor Inc | 0.01% | New | 3,494 | $239K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 3,391 | $231K |
| Pictet Asset Management Holding SA | 0.00% | New | 3,358 | $229K |
| ProShare Advisors LLC | 0.00% | New | 3,339 | $228K |
| Axq Capital, LP | 0.07% | New | 3,261 | $223K |
| Virtus Advisers, LLC | 0.14% | New | 3,240 | $221K |
| Longboard Asset Management, LP | 0.54% | New | 3,182 | $217K |
| Bank of Montreal | 0.00% | New | 3,162 | $216K |
| Entropy Technologies, LP | 0.02% | Reduce -24.3% | 3,124 | $213K |
| HM Payson & Co. | 0.00% | No change | 2,950 | $202K |
| AlphaQuest LLC | 0.02% | Add +70.7% | 2,512 | $172K |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | Add +15.4% | 2,497 | $171K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +151.1% | 2,373 | $162K |
| CANADA LIFE ASSURANCE Co | 0.00% | No change | 2,099 | $144K |
| Cwm, LLC | 0.00% | Reduce -2.2% | 1,784 | $122K |
| Ameritas Investment Partners, Inc. | 0.00% | Add +8.2% | 1,662 | $114K |
| New York State Teachers Retirement System | 0.00% | No change | 1,408 | $96K |
| Copeland Capital Management, LLC | 0.00% | Add +16.3% | 1,298 | $89K |
| New Age Alpha Advisors, LLC | 0.00% | Reduce -71.9% | 1,262 | $86K |
| Parallel Advisors, LLC | 0.00% | Add +2.2% | 745 | $51K |
| Simplex Trading, LLC | 0.00% | Add +40.4% | 716 | $48K |
| Quarry LP | 0.01% | Add +172.5% | 643 | $44K |
| Amalgamated Bank | 0.00% | No change | 531 | $36K |
| US Bancorp \de | 0.00% | Add +16.1% | 497 | $34K |
| Point72 Asset Management | 0.00% | Reduce -86.4% | 484 | $33K |
| GAMMA Investing LLC | 0.00% | Add +9.6% | 480 | $33K |
| MAI Capital Management | 0.00% | No change | 332 | $23K |
| Harbour Investments, Inc. | 0.00% | No change | 323 | $22K |
| Nisa Investment Advisors, LLC | 0.00% | Add +175.0% | 264 | $18K |
| Ridgewood Investments LLC | 0.01% | No change | 250 | $17K |
| Covestor Ltd | 0.01% | Reduce -25.4% | 197 | $13K |
| Signaturefd, LLC | 0.00% | Add +12.4% | 163 | $11K |
| IFP Advisors, Inc | 0.00% | New | 73 | $9K |
| Sterling Capital Management LLC | 0.00% | Add +47.7% | 130 | $9K |
| Versant Capital Management, Inc | 0.00% | Add +4.5% | 115 | $8K |
| Smartleaf Asset Management LLC | 0.00% | Reduce -15.7% | 102 | $7K |
| Danske Bank A/S | 0.00% | No change | 100 | $7K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -2.3% | 85 | $6K |
| Allworth Financial LP | 0.00% | Add +62.0% | 81 | $6K |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | New | 80 | $5K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +5400.0% | 55 | $4K |
| Larson Financial Group LLC | 0.00% | Reduce -83.6% | 46 | $3K |
| SBI Securities Co., Ltd. | 0.00% | New | 44 | $3K |
| Royal Bank of Canada | 0.00% | Reduce -35.0% | 52 | $3K |
| Principal Securities, Inc. | 0.00% | Reduce -18.8% | 39 | $3K |
| Federated Hermes, Inc. | 0.00% | New | 31 | $2K |
| Rothschild Investment LLC | 0.00% | Add +66.7% | 25 | $2K |
| Farther Finance Advisors, LLC | 0.00% | Reduce -46.5% | 23 | $2K |
| Cornerstone Planning Group LLC | 0.00% | Add +13.0% | 26 | $2K |
| Parkside Financial Bank & Trust | 0.00% | No change | 10 | $684 |
| True Wealth Design, LLC | 0.00% | No change | 7 | $479 |
| Essential Partners LLC | 0.00% | — | 6 | $410 |
| Assetmark, Inc. | 0.00% | New | 5 | $342 |
"% of holder's portfolio" is IDT's weight in each manager's 13F, not the share of Idt Corp. Class B the manager owns.