Latest Period
Q1 2026
Security Snapshot
IDT CORP - Common Stock (IDT) Institutional Ownership
CUSIP: 448947507
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
199
Shares (Excl. Options)
13,262,072
Price
$49.10
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- Security type / class
- Equity / Common Stock
- Symbol
- IDT on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 13,262,072
- Total 13F value
- $651,188,863
- Portfolio coverage rank
- 0%
- Share change
- +8,328
- Value change
- -$49,705
- Number of holders
- 199
- Shares outstanding
- 23,512,256
- SEC-reported price per share
- $51.79
- Insider filing price
- $51.79
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- IDT - IDT CORP - Common Stock is tracked under CUSIP 448947507.
- 199 institutions reported positions in Q1 2026.
- 1 significant owner is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 199 to 199 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $680,961,898 to $651,188,863.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 199 institutions filings for Q1 2026.
Security key
448947507
Latest holder period
Q1 2026
13F holders
199
13D/G owners
1
CIK / CUSIP context first
Open Q1 2026 holders
IDT full holder history
IDT CORP SEC filings
IDT CORP company facts
IDT CORP insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 448947507:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
1
Security
IDT
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| DIMENSIONAL FUND ADVISORS LP | 4.3% | $50,349,145 | 1,011,027 | Dimensional Fund Advisors LP | 31 Mar 2025 |
As of 31 Mar 2026, 199 institutional investors reported holding 13,262,072 shares of IDT CORP - Common Stock (IDT). This represents 56% of the company’s total 23,512,256 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
42%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 7.5% | 1,773,958 | +2.6% | 0% | $87,101,322 |
| RENAISSANCE TECHNOLOGIES LLC | 4% | 946,013 | -3% | 0.07% | $46,449,238 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.7% | 881,088 | 0% | 0% | $43,261,421 |
| DIMENSIONAL FUND ADVISORS LP | 3.4% | 788,047 | -2.3% | 0.01% | $38,693,385 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.6% | 604,728 | +8% | 0% | $29,697,153 |
| STATE STREET CORP | 2.3% | 534,508 | +9.3% | 0% | $26,244,343 |
| COOKE & BIELER LP | 1.7% | 409,386 | +4.7% | 0.23% | $20,100,853 |
| DEUTSCHE BANK AG\ | 1.6% | 384,957 | +2.8% | 0.01% | $18,901,389 |
| KAHN BROTHERS GROUP INC | 1.6% | 372,566 | -5% | 3.2% | $18,292,990 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 1.2% | 291,451 | -0.39% | 0.06% | $14,310,244 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.2% | 285,758 | -4.7% | 0% | $14,030,718 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1.1% | 250,030 | 0% | 0% | $12,276,473 |
| D. E. Shaw & Co., Inc. | 1% | 238,338 | +1.6% | 0.01% | $11,702,396 |
| MORGAN STANLEY | 1% | 234,661 | +3.5% | 0% | $11,521,904 |
| MILLENNIUM MANAGEMENT LLC | 0.95% | 222,925 | -19% | 0.01% | $10,945,618 |
| Nuveen, LLC | 0.94% | 220,806 | +35% | 0% | $10,841,575 |
| JANE STREET GROUP, LLC | 0.83% | 195,961 | +64% | 0.01% | $9,621,685 |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | 0.77% | 181,423 | -45% | 0.02% | $8,793,552 |
| TWO SIGMA INVESTMENTS, LP | 0.76% | 179,497 | +117% | 0.01% | $8,813,303 |
| Qube Research & Technologies Ltd | 0.68% | 160,534 | -34% | 0.01% | $7,882,219 |
| NORTHERN TRUST CORP | 0.67% | 157,832 | +2.5% | 0% | $7,749,550 |
| ROYCE & ASSOCIATES LP | 0.62% | 144,628 | -16% | 0.07% | $7,101,235 |
| Cerity Partners LLC | 0.61% | 142,815 | +0.44% | 0.01% | $7,012,216 |
| GOLDMAN SACHS GROUP INC | 0.6% | 140,765 | +15% | 0% | $6,911,561 |
| VANGUARD FIDUCIARY TRUST CO | 0.58% | 136,696 | 0% | 0% | $6,711,774 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 13,262,072 | $651,188,863 | -$49,705 | $49.10 | 199 |
| 2025 Q4 | 13,297,387 | $680,961,898 | -$1,067,444 | $51.21 | 199 |
| 2025 Q3 | 13,281,621 | $693,696,377 | +$1,633,790 | $52.31 | 192 |
| 2025 Q2 | 13,119,279 | $896,761,574 | +$69,845,255 | $68.32 | 187 |
| 2025 Q1 | 12,211,888 | $626,761,409 | +$36,580,327 | $51.31 | 170 |
| 2024 Q4 | 11,398,471 | $540,768,560 | +$14,313,853 | $47.52 | 162 |
| 2024 Q3 | 10,988,877 | $419,632,641 | -$2,175,512 | $38.17 | 146 |
| 2024 Q2 | 11,038,129 | $396,684,817 | -$6,236,927 | $35.92 | 142 |
| 2024 Q1 | 11,214,368 | $423,938,793 | +$25,657,031 | $37.81 | 134 |
| 2023 Q4 | 10,534,690 | $359,135,552 | +$35,491,322 | $34.09 | 120 |
| 2023 Q3 | 10,240,369 | $225,851,512 | -$23,080,581 | $22.05 | 124 |
| 2023 Q2 | 11,077,351 | $287,800,757 | -$10,626,884 | $25.85 | 117 |
| 2023 Q1 | 11,411,478 | $385,679,504 | +$5,400,972 | $34.08 | 128 |
| 2022 Q4 | 10,675,909 | $300,814,042 | -$9,064,739 | $28.17 | 117 |
| 2022 Q3 | 10,949,125 | $271,978,823 | -$16,824,193 | $24.83 | 97 |
| 2022 Q2 | 10,965,554 | $276,071,410 | +$11,790,010 | $25.15 | 107 |
| 2022 Q1 | 10,730,606 | $377,664,506 | +$12,816,427 | $34.09 | 112 |
| 2021 Q4 | 10,581,766 | $467,232,329 | +$28,710,691 | $44.16 | 118 |
| 2021 Q3 | 9,651,692 | $405,140,142 | +$14,854,677 | $41.95 | 99 |
| 2021 Q2 | 9,313,115 | $344,213,466 | -$11,022,473 | $36.96 | 91 |
| 2021 Q1 | 9,684,223 | $276,848,708 | +$27,496,175 | $22.66 | 75 |
| 2020 Q4 | 10,007,556 | $123,696,211 | +$5,825,826 | $12.36 | 70 |
| 2020 Q3 | 9,692,775 | $63,757,453 | -$5,705,404 | $6.58 | 60 |
| 2020 Q2 | 10,564,749 | $68,983,181 | -$3,444,240 | $6.53 | 61 |
| 2020 Q1 | 11,117,814 | $60,256,880 | +$916,713 | $5.42 | 62 |