Who owns IDT Corporation (IDT)
Which tracked institutional funds hold IDT, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See IDT company fundamentals →
Ownership as of the 2026-Q1 13F filings (latest filed 2026-05-22). 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.
How the tape is positioned
36 tracked funds added or opened IDT while 42 trimmed or exited it between 2025-Q4 and 2026-Q1 — the tape is split. When large holders disagree on a name, the funds moving first are sometimes ahead of the story.
A prompt to read the filings, not a verdict. 13F is a quarter-end snapshot disclosed up to 45 days late; a fund adds or exits for mandate, benchmark, and timing reasons that have nothing to do with a view on the stock. This is a starting question, not a signal to trade.
Conviction spread
IDT’s largest tracked holder by dollar value, BlackRock, Inc., sizes it at 0.0% of its own reported 13F book, while the median holder sizes it at 0.0% of theirs — a 0.0pp gap the other way — the median holder sizes IDT more heavily than its largest holder by dollar value does.
Book-share is each fund’s reported value in IDT divided by its whole reported 13F book, so it is comparable across funds of different sizes and is unaffected by stock splits. A higher share means a fund has committed more of its book to the name — a starting question about conviction, not a verdict or a signal to trade.
Institutional & insider positioning
Between 2025-Q4 and 2026-Q1, across 202 tracked filers holding IDT, 110 increased or opened the position and 95 reduced or closed it; over the same quarter, open-market insider Form 4 buying and selling roughly offset.
This fuses two public signals for the same quarter — how tracked institutions changed their positions and whether insiders bought or sold in the open market. It describes what was filed; it is a starting question, not a verdict or a signal to trade.
New buyers & exits
Funds opening or closing a position in IDT between the 2025-Q4 and 2026-Q1 13F filings, and the largest changes among funds holding it in both. New buyers and exits are counted on fund presence (split-invariant); adds and trims are measured on reported value.
New buyers 10
- VANGUARD CAPITAL MANAGEMENT LLC$43M
- VANGUARD PORTFOLIO MANAGEMENT LLC$12M
- VANGUARD FIDUCIARY TRUST CO$7M
- ALTA FOX CAPITAL MANAGEMENT, LLC$5M
- NORGES BANK$2M
- Edgestream Partners, L.P.$2M
Full exits 10
- VANGUARD GROUP INC$58M
- ExodusPoint Capital Management, LP$3M
- TWO SIGMA ADVISERS, LP$2M
- Weiss Asset Management LP$1M
- VIRGINIA RETIREMENT SYSTEMS ET Al$978K
- TUDOR INVESTMENT CORP ET AL$833K
Largest adds
- TWO SIGMA INVESTMENTS, LP$5M
- JANE STREET GROUP, LLC$3M
- Man Group plc$3M
- OP Asset Management Ltd$3M
- Nuveen, LLC$2M
- Engineers Gate Manager LP$2M
Largest trims
- Pacer Advisors, Inc.$21M
- ACADIAN ASSET MANAGEMENT LLC$9M
- WEALTH ENHANCEMENT ADVISORY SERVICES, LLC$8M
- Qube Research & Technologies Ltd$5M
- RENAISSANCE TECHNOLOGIES LLC$3M
- ALGERT GLOBAL LLC$3M
Institutional holders
One row per tracked fund, largest reported value first. “% of value” is the fund’s share of this security’s tracked institutional value — not of shares outstanding. Rows marked stale are from an earlier filing than the security’s latest quarter — that fund is absent from the newest snapshot (position exited, or reported under a different name).
| Fund | Shares | Reported value | % of value | Quarter |
|---|---|---|---|---|
| BlackRock, Inc. added | 1,773,958 | $87M | 11.8% | 2026-Q1 |
| RENAISSANCE TECHNOLOGIES LLC trimmed | 946,013 | $46M | 6.3% | 2026-Q1 |
| VANGUARD CAPITAL MANAGEMENT LLC new | 881,088 | $43M | 5.9% | 2026-Q1 |
| DIMENSIONAL FUND ADVISORS LP trimmed | 788,047 | $39M | 5.2% | 2026-Q1 |
| GEODE CAPITAL MANAGEMENT, LLC added | 604,728 | $30M | 4.0% | 2026-Q1 |
| STATE STREET CORP added | 534,508 | $26M | 3.6% | 2026-Q1 |
| COOKE & BIELER LP added | 409,386 | $20M | 2.7% | 2026-Q1 |
| DEUTSCHE BANK AG\ added | 384,957 | $19M | 2.6% | 2026-Q1 |
| KAHN BROTHERS GROUP INC trimmed | 372,566 | $18M | 2.5% | 2026-Q1 |
| JACOBS LEVY EQUITY MANAGEMENT, INC trimmed | 291,451 | $14M | 1.9% | 2026-Q1 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC trimmed | 285,758 | $14M | 1.9% | 2026-Q1 |
| VANGUARD PORTFOLIO MANAGEMENT LLC new | 250,030 | $12M | 1.7% | 2026-Q1 |
| D. E. Shaw & Co., Inc. added | 238,338 | $12M | 1.6% | 2026-Q1 |
| MORGAN STANLEY added | 234,661 | $12M | 1.6% | 2026-Q1 |
| MILLENNIUM MANAGEMENT LLC trimmed | 222,925 | $11M | 1.5% | 2026-Q1 |
| Nuveen, LLC added | 220,806 | $11M | 1.5% | 2026-Q1 |
| JANE STREET GROUP, LLC added | 195,961 | $10M | 1.3% | 2026-Q1 |
| TWO SIGMA INVESTMENTS, LP added | 179,497 | $9M | 1.2% | 2026-Q1 |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC trimmed | 181,423 | $9M | 1.2% | 2026-Q1 |
| Qube Research & Technologies Ltd trimmed | 160,534 | $8M | 1.1% | 2026-Q1 |
| NORTHERN TRUST CORP added | 157,832 | $8M | 1.1% | 2026-Q1 |
| ROYCE & ASSOCIATES LP trimmed | 144,628 | $7M | 1.0% | 2026-Q1 |
| Cerity Partners LLC added | 142,815 | $7M | 1.0% | 2026-Q1 |
| GOLDMAN SACHS GROUP INC added | 140,765 | $7M | 0.9% | 2026-Q1 |
| VANGUARD FIDUCIARY TRUST CO new | 136,696 | $7M | 0.9% | 2026-Q1 |
| FMR LLC trimmed | 127,318 | $6M | 0.8% | 2026-Q1 |
| Bank of New York Mellon Corp added | 117,607 | $6M | 0.8% | 2026-Q1 |
| CITADEL ADVISORS LLC trimmed | 115,840 | $6M | 0.8% | 2026-Q1 |
| Point72 Asset Management, L.P. added | 109,796 | $5M | 0.7% | 2026-Q1 |
| UBS Group AG trimmed | 107,270 | $5M | 0.7% | 2026-Q1 |
| CSM Advisors, LLC trimmed | 103,520 | $5M | 0.7% | 2026-Q1 |
| ALTA FOX CAPITAL MANAGEMENT, LLC added | 97,010 | $5M | 0.6% | 2026-Q1 |
| AMERICAN CENTURY COMPANIES INC added | 93,605 | $5M | 0.6% | 2026-Q1 |
| Pacer Advisors, Inc. added | 90,892 | $4M | 0.6% | 2026-Q1 |
| AQR CAPITAL MANAGEMENT LLC added | 91,004 | $4M | 0.6% | 2026-Q1 |
| Man Group plc added | 89,589 | $4M | 0.6% | 2026-Q1 |
| Russell Investments Group, Ltd. trimmed | 88,826 | $4M | 0.6% | 2026-Q1 |
| LAZARD ASSET MANAGEMENT LLC trimmed | 87,968 | $4M | 0.6% | 2026-Q1 |
| ALGERT GLOBAL LLC trimmed | 85,440 | $4M | 0.6% | 2026-Q1 |
| OP Asset Management Ltd added | 71,705 | $4M | 0.6% | 2026-Q1 |
| HRT FINANCIAL LP trimmed | 81,194 | $4M | 0.5% | 2026-Q1 |
| PANAGORA ASSET MANAGEMENT INC added | 74,574 | $4M | 0.5% | 2026-Q1 |
| JPMORGAN CHASE & CO added | 70,154 | $3M | 0.5% | 2026-Q1 |
| FRANKLIN RESOURCES INC added | 62,624 | $3M | 0.4% | 2026-Q1 |
| FIRST TRUST ADVISORS LP added | 61,044 | $3M | 0.4% | 2026-Q1 |
| Veradace Capital Management LLC added | 60,179 | $3M | 0.4% | 2026-Q1 |
| BARCLAYS PLC trimmed | 59,718 | $3M | 0.4% | 2026-Q1 |
| BANK OF AMERICA CORP /DE/ trimmed | 52,122 | $3M | 0.3% | 2026-Q1 |
| ALLIANCEBERNSTEIN L.P. added | 49,922 | $3M | 0.3% | 2026-Q1 |
| Engineers Gate Manager LP added | 51,177 | $3M | 0.3% | 2026-Q1 |
| MARTINGALE ASSET MANAGEMENT L P added | 48,985 | $2M | 0.3% | 2026-Q1 |
| Emmett Investment Management, LP added | 42,078 | $2M | 0.3% | 2026-Q1 |
| Swiss National Bank | 42,000 | $2M | 0.3% | 2026-Q1 |
| NORGES BANK trimmed | 38,400 | $2M | 0.3% | 2026-Q1 |
| HSBC HOLDINGS PLC added | 37,125 | $2M | 0.2% | 2026-Q1 |
| VICTORY CAPITAL MANAGEMENT INC added | 36,451 | $2M | 0.2% | 2026-Q1 |
| Magnetar Financial LLC added | 35,902 | $2M | 0.2% | 2026-Q1 |
| Creative Planning added | 33,656 | $2M | 0.2% | 2026-Q1 |
| Invesco Ltd. added | 33,191 | $2M | 0.2% | 2026-Q1 |
| Trexquant Investment LP added | 31,862 | $2M | 0.2% | 2026-Q1 |
| Edgestream Partners, L.P. new | 31,375 | $2M | 0.2% | 2026-Q1 |
| Americana Partners, LLC | 29,166 | $1M | 0.2% | 2026-Q1 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC added | 29,104 | $1M | 0.2% | 2026-Q1 |
| PRINCIPAL FINANCIAL GROUP INC added | 26,757 | $1M | 0.2% | 2026-Q1 |
| Legal & General Group Plc trimmed | 26,383 | $1M | 0.2% | 2026-Q1 |
| DARK FOREST CAPITAL MANAGEMENT LP trimmed | 26,228 | $1M | 0.2% | 2026-Q1 |
| SEGALL BRYANT & HAMILL, LLC added | 25,629 | $1M | 0.2% | 2026-Q1 |
| RHUMBLINE ADVISERS trimmed | 25,195 | $1M | 0.2% | 2026-Q1 |
| PDT Partners, LLC | 23,134 | $1M | 0.2% | 2026-Q1 |
| Gotham Asset Management, LLC added | 23,092 | $1M | 0.2% | 2026-Q1 |
| Susquehanna Portfolio Strategies, LLC trimmed | 23,025 | $1M | 0.2% | 2026-Q1 |
| WELLS FARGO & COMPANY/MN trimmed | 22,478 | $1M | 0.1% | 2026-Q1 |
| LOS ANGELES CAPITAL MANAGEMENT LLC added | 22,454 | $1M | 0.1% | 2026-Q1 |
| XTX Topco Ltd added | 21,919 | $1M | 0.1% | 2026-Q1 |
| Connor, Clark & Lunn Investment Management Ltd. trimmed | 21,811 | $1M | 0.1% | 2026-Q1 |
| AMERIPRISE FINANCIAL INC trimmed | 21,479 | $1M | 0.1% | 2026-Q1 |
| ACADIAN ASSET MANAGEMENT LLC trimmed | 20,815 | $1M | 0.1% | 2026-Q1 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM trimmed | 19,345 | $950K | 0.1% | 2026-Q1 |
| BALYASNY ASSET MANAGEMENT L.P. added | 18,959 | $931K | 0.1% | 2026-Q1 |
| Quantbot Technologies LP trimmed | 17,587 | $864K | 0.1% | 2026-Q1 |
| PRICE T ROWE ASSOCIATES INC /MD/ added | 16,651 | $818K | 0.1% | 2026-Q1 |
| VANGUARD GROUP INC trimmed | 1,137,392 | $58M | 7.9% | 2025-Q4 stale |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP added | 128,838 | $7M | 0.9% | 2025-Q3 stale |
| Allspring Global Investments Holdings, LLC added | 90,760 | $6M | 0.8% | 2025-Q2 stale |
| Foundry Partners, LLC trimmed | 100,140 | $5M | 0.7% | 2025-Q1 stale |
| Orchard Capital Management, LLC added | 78,945 | $4M | 0.5% | 2025-Q1 stale |
| Jump Financial, LLC added | 57,020 | $4M | 0.5% | 2025-Q2 stale |
| ExodusPoint Capital Management, LP added | 56,221 | $3M | 0.4% | 2025-Q4 stale |
| Cubist Systematic Strategies, LLC trimmed | 50,468 | $3M | 0.4% | 2025-Q3 stale |
| Squarepoint Ops LLC added | 49,542 | $3M | 0.4% | 2025-Q3 stale |
| Vest Financial, LLC added | 43,120 | $2M | 0.3% | 2025-Q3 stale |
| TWO SIGMA ADVISERS, LP trimmed | 34,000 | $2M | 0.2% | 2025-Q4 stale |
| Pacific Capital Partners Ltd trimmed | 23,672 | $2M | 0.2% | 2025-Q2 stale |
| Assenagon Asset Management S.A. added | 22,417 | $2M | 0.2% | 2025-Q2 stale |
| Nebula Research & Development LLC added | 21,559 | $1M | 0.2% | 2025-Q2 stale |
| Weiss Asset Management LP new | 21,558 | $1M | 0.1% | 2025-Q4 stale |
| VIRGINIA RETIREMENT SYSTEMS ET Al trimmed | 19,100 | $978K | 0.1% | 2025-Q4 stale |
| GSA CAPITAL PARTNERS LLP added | 16,282 | $852K | 0.1% | 2025-Q3 stale |
| TUDOR INVESTMENT CORP ET AL added | 16,274 | $833K | 0.1% | 2025-Q4 stale |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 16,100 | $824K | 0.1% | 2025-Q4 stale |
Ownership over time
Tracked institutional holder count and total shares held by filing quarter (independent scales). The curated-era tail and any mid-ingest latest quarter are handled honestly — a partial quarter is not drawn as a collapse.
Reading this table
Funds hold the same stock for different reasons — an index fund “holds” almost everything, an active manager sizes a name to a mandate and a benchmark, and each fund entered at its own price and time. Because 13F is filed up to 45 days after quarter-end, every row is a backward-looking snapshot; a manager may have traded since. Share-class siblings (a company’s A and C shares) are rolled up to one line so a dual-class name is never double-counted. Compare like-for-like. A large holder is not an endorsement, and a fund exiting is not a warning — this is a starting question, not a verdict.
About 13F filings
A Form 13F is a quarterly disclosure that institutional investment managers with over $100 million in US-listed equities must file with the SEC. In plain English: it is a snapshot of the long stock positions a fund held at the end of a quarter. It covers long US-listed equities only — not short positions, options, cash, or private holdings — and the funds shown are the large sample we track, not the complete 13F universe.