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IDTNYSETelephone Communications (No Radiotelephone)Fiscal year ends July 31

IDT CORP

Financials through Q4 FY2026, quarter ended Jul 31, 2026Last filing: 10-K on Sep 29, 2026
$81.82+1.15 (+1.43%)

Close on Oct 19, 2026

Market cap
$2.04B
P/E (TTM)
23.6
Dividend yield
0.32%

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
56.5%
14M of 25M shares
Institutional holders
197
24 new, 26 sold out
Net institutional buying
1M
In Q2 2026
Insider trades, 12 months
0 buys · 17 sales
Net sold $4.66M

Shares held by institutions

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
BlackRock, Inc.1,430,9906.10%13G (passive) amendmentDec 31, 2023

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of IDTValueChange% of portfolio
BlackRock, Inc.1,923,4967.74%$111.87M+149,5380.00%
Vanguard Capital Management LLC887,2113.57%$51.60M+6,1230.00%
Renaissance Technologies LLC879,0083.54%$51.12M−67,0050.07%
Dimensional Fund Advisors LP779,8383.14%$45.36M−8,2090.01%
Geode Capital Management, LLC653,0662.63%$37.99M+48,3380.00%
State Street Corp616,8372.48%$35.88M+82,3290.00%
First Trust Advisors LP512,8732.06%$29.83M+451,8290.02%
American Century Companies Inc416,9821.68%$24.25M+323,3770.01%
Deutsche Bank AG\386,7461.56%$22.49M+1,7890.01%
Kahn Brothers Group Inc351,6601.42%$20.45M−20,9063.23%
Morgan Stanley343,4681.38%$19.98M+108,8070.00%
D. E. Shaw & Co., Inc.295,7881.19%$17.20M+57,4500.01%
Jacobs Levy Equity Management, Inc279,4251.12%$16.25M−12,0260.06%
Nuveen, LLC272,0641.10%$15.82M+51,2580.00%
Charles Schwab Investment Management Inc255,2791.03%$14.85M−30,4790.00%
Vanguard Portfolio Management LLC244,7570.99%$14.24M−5,2730.00%
Cooke & Bieler LP242,0390.97%$14.08M−167,3470.16%
Aqr Capital Management LLC186,2360.75%$10.83M+94,7010.00%
Northern Trust Corp167,8720.68%$9.76M+10,0400.00%
Millennium Management LLC167,6690.68%$9.75M−55,2560.00%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares held% of sharesNew / addedReduced / closedShares boughtShares sold
Q2 202619714M56.5%24 / 8665 / 262M1M
Q1 202620313M53.8%30 / 8068 / 252M1M
Q4 202520013M53.6%33 / 6776 / 232M2M
Q3 202519413M54.1%32 / 7763 / 292M1M
Q2 202519113M52.9%38 / 8553 / 172M1M
Q1 202517212M49.4%25 / 7349 / 141M0M
Q4 202416311M46.0%30 / 6544 / 141M1M
Q3 202414711M44.5%16 / 5352 / 102M1M
Q2 202414211M44.7%21 / 6140 / 121M1M
Q1 202413412M46.8%24 / 3945 / 111M1M
Q4 202312111M43.6%18 / 4040 / 212M1M
Q3 202312510M41.1%15 / 4939 / 101M2M

Top mutual fund and ETF holders

Latest monthly portfolio reports (Form N-PORT)

FundShares% of IDTValue% of fundAs of
Vanguard Total Stock Market Index Fund632,0982.54%$36.76M0.00%Jun 30, 2026
First Trust SMID Cap Rising Dividend Achievers ETF432,7091.74%$25.17M0.22%Jun 30, 2026
iShares Russell 2000 ETF423,0291.70%$24.60M0.03%Jun 30, 2026
DWS Small Cap Core Fund367,8561.48%$21.39M1.84%Jun 30, 2026
Avantis U.S. Small Cap Value ETF255,2721.03%$14.08M0.05%May 31, 2026
Vanguard Extended Market Index Fund232,7710.94%$13.54M0.01%Jun 30, 2026
Fidelity Small Cap Index Fund181,2560.73%$11.94M0.04%Jul 31, 2026
U.S. Small Cap Portfolio165,6350.67%$10.91M0.06%Jul 31, 2026
Nuveen Quant Small Cap Equity Fund139,6500.56%$9.20M0.23%Jul 31, 2026
iShares Russell 2000 Growth ETF127,6890.51%$7.43M0.05%Jun 30, 2026
State Street(R) SPDR(R) S&P(R) Telecom ETF126,8480.51%$7.38M1.04%Jun 30, 2026
Select Telecommunications Portfolio122,1000.49%$6.74M2.59%May 31, 2026
U.S. Core Equity 2 Portfolio115,0460.46%$7.58M0.02%Jul 31, 2026
U.S. Micro Cap Portfolio113,2340.46%$7.46M0.09%Jul 31, 2026
BlackRock Advantage Small Cap Core Fund107,7420.43%$5.94M0.11%May 29, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
Howard S. JonasChairman, Director, 10% owner4,089,77716.47%Sep 2, 2026
Bill PereiraCOO & President, Director38,6930.16%Jan 20, 2026
Joyce J. MasonEVP and Corporate Secretary52,5150.21%Jul 21, 2026
Menachem AshEVP of Strategic&Legal Affairs27,0510.11%Jul 17, 2026
Marcelo FischerChief Financial Officer35,5840.14%Jun 30, 2026
Nadine SheaEVP of GLOBAL HUMAN RESOURCES11,2660.05%Jun 10, 2026
David WartellCHIEF TECHNOLOGY OFFICER0–Sep 22, 2025
Mitch SilbermanCAO & Controller4,6150.02%Mar 19, 2025
Eric F. CosentinoDirector1,8900.01%Jul 1, 2026
William ConklingDirector6730.00%Jun 11, 2026
Judah SchorrDirector129,5570.52%Jan 7, 2026
Irwin Katsof–0–Jun 15, 2026

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Howard S. Jonas
Chairman, Director, 10% owner
Aug 31, 2026Gift−1,165––45,388
Joyce J. Mason
EVP and Corporate Secretary
Jul 17, 2026Sale−505$62.58$31.60K12,522
Joyce J. Mason
EVP and Corporate Secretary
Jul 17, 2026Sale−3,488$62.56$218.21K35,441
Menachem Ash
EVP of Strategic&Legal Affairs
Jul 16, 2026Sale−3,653$63.17$230.76K24,193
Menachem Ash
EVP of Strategic&Legal Affairs
Jul 15, 2026Sale−4,397$63.02$277.10K27,846
Eric F. Cosentino
Director
Jun 30, 2026Sale−500$57.78$28.89K539
Marcelo Fischer
Chief Financial Officer
Jun 26, 2026Sale−23,323$56.98$1.33M32,824
Howard S. Jonas
Chairman, Director, 10% owner
Jun 23, 2026Gift−2,217––46,553
Irwin Katsof
–
Jun 11, 2026Sale−2,408$55.03$132.51K0
William Conkling
Director
Jun 9, 2026Award+673$55.75$37.52K673
Nadine Shea
EVP of GLOBAL HUMAN RESOURCES
Jun 8, 2026Sale−500$55.32$27.66K8,725
Joyce J. Mason
EVP and Corporate Secretary
May 7, 2026Gift+722––13,027
Joyce J. Mason
EVP and Corporate Secretary
May 7, 2026Gift+722––29,430
Joyce J. Mason
EVP and Corporate Secretary
May 7, 2026Gift+722––38,929
Howard S. Jonas
Chairman, Director, 10% owner
May 7, 2026Gift−7,942––48,770
Howard S. Jonas
Chairman, Director, 10% owner
May 5, 2026Gift−1,175––56,712
Howard S. Jonas
Chairman, Director, 10% owner
Apr 16, 2026Gift−600––57,887
Joyce J. Mason
EVP and Corporate Secretary
Apr 16, 2026Sale−907$50.94$46.20K12,305
Joyce J. Mason
EVP and Corporate Secretary
Apr 16, 2026Sale−2,297$50.94$117.01K38,207
Menachem Ash
EVP of Strategic&Legal Affairs
Apr 14, 2026Sale−20,000$51.00$1.02M32,243
Marcelo Fischer
Chief Financial Officer
Apr 14, 2026Sale−5,000$50.50$252.50K56,147
Menachem Ash
EVP of Strategic&Legal Affairs
Feb 17, 2026Tax withholding−347$48.45$16.81K52,243
Menachem Ash
EVP of Strategic&Legal Affairs
Feb 17, 2026Option exercise+834$48.45$40.41K52,590
Howard S. Jonas
Chairman, Director, 10% owner
Jan 28, 2026Gift−2,214––58,487
Joyce J. Mason
EVP and Corporate Secretary
Jan 16, 2026Sale−2,505$50.29$125.98K28,708
Marcelo Fischer
Chief Financial Officer
Jan 16, 2026Option exercise+5,204$38.43$199.99K61,147
Bill Pereira
COO & President, Director
Jan 15, 2026Sale−7,287$51.17$372.88K35,213
Marcelo Fischer
Chief Financial Officer
Jan 15, 2026Sale−920$52.04$47.88K55,943
Marcelo Fischer
Chief Financial Officer
Jan 14, 2026Sale−7,009$52.03$364.68K56,863
Marcelo Fischer
Chief Financial Officer
Jan 8, 2026Sale−641$52.29$33.52K63,872
Irwin Katsof
Director
Jan 5, 2026Award+986$50.74$50.03K2,408
Judah Schorr
Director
Jan 5, 2026Award+986$50.74$50.03K122,425
Eric F. Cosentino
Director
Jan 5, 2026Award+986$50.74$50.03K1,039
Howard S. Jonas
Chairman, Director, 10% owner
Dec 29, 2025Other−97,163––114,106
Howard S. Jonas
Chairman, Director, 10% owner
Dec 17, 2025Gift−1,150––60,701
Howard S. Jonas
Chairman, Director, 10% owner
Nov 25, 2025Gift−1,000––61,851
Joyce J. Mason
EVP and Corporate Secretary
Nov 25, 2025Gift+1,000––31,213
Eric F. Cosentino
Director
Oct 10, 2025Sale−200$47.61$9.52K53
Bill Pereira
COO & President, Director
Oct 2, 2025Sale−41,933$49.63$2.08M42,500
Joyce J. Mason
EVP and Corporate Secretary
Jul 17, 2025Gift+650––40,504
Joyce J. Mason
EVP and Corporate Secretary
Jul 17, 2025Gift+650––13,212
Joyce J. Mason
EVP and Corporate Secretary
Jul 17, 2025Gift+650––30,213
Howard S. Jonas
Chairman, Director, 10% owner
Jul 17, 2025Gift−7,150––62,851
Howard S. Jonas
Chairman, Director, 10% owner
Jul 15, 2025Gift−1,200––70,001
Eric F. Cosentino
Director
Jun 16, 2025Sale−800$67.03$53.62K253
Menachem Ash
EVP of Strategic&Legal Affairs
Apr 28, 2025Tax withholding−66$48.84$3.22K51,756
Menachem Ash
EVP of Strategic&Legal Affairs
Apr 28, 2025Award+181$48.84$8.84K51,822
Joyce J. Mason
EVP and Corporate Secretary
Apr 28, 2025Award+7,685$48.84$375.34K29,563
David Wartell
CHIEF TECHNOLOGY OFFICER
Mar 18, 2025Sale−10,735$48.99$525.91K0
Mitch Silberman
CAO & Controller
Feb 25, 2025Tax withholding−1,782$49.11$87.51K4,547
Mitch Silberman
CAO & Controller
Feb 25, 2025Option exercise+5,157$49.11$253.26K6,329
Menachem Ash
EVP of Strategic&Legal Affairs
Feb 25, 2025Tax withholding−3,389$49.11$166.43K53,148
Menachem Ash
EVP of Strategic&Legal Affairs
Feb 25, 2025Option exercise+9,374$49.11$460.36K56,537
Nadine Shea
EVP of GLOBAL HUMAN RESOURCES
Feb 25, 2025Option exercise+6,750$49.11$331.49K11,525
Nadine Shea
EVP of GLOBAL HUMAN RESOURCES
Feb 25, 2025Tax withholding−2,300$49.11$112.95K9,225
Bill Pereira
COO & President, Director
Feb 25, 2025Tax withholding−51,093$49.11$2.51M84,433
Bill Pereira
COO & President, Director
Feb 25, 2025Option exercise+100,313$49.11$4.93M135,526
Joyce J. Mason
EVP and Corporate Secretary
Feb 25, 2025Option exercise+4,500$49.11$221.00K41,613
Joyce J. Mason
EVP and Corporate Secretary
Feb 25, 2025Tax withholding−1,759$49.11$86.38K39,854
David Wartell
CHIEF TECHNOLOGY OFFICER
Feb 25, 2025Tax withholding−3,639$49.11$178.71K10,735

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.

Planned insider sales

Notices of proposed sale filed on Form 144 before shares are sold

SellerFiledSharesMarket valuePlanned saleAcquired through
M. Shea Nadine
Officer
Oct 15, 2026600$48.74KOct 15, 2026Restricted Stock Vesting Under a Registered Plan
Silberman Mitch
Officer
Oct 15, 20262,327$188.56KOct 15, 2026Restricted Stock Vesting Under a Registered Plan
Ash Menachem
Officer
Oct 15, 20265,000$410.00KOct 15, 2026Restricted Stock Vesting Under a Registered Plan
Fischer Marcelo
Officer
Oct 15, 20269,333$759.99KOct 15, 2026Restricted Stock Vesting Under a Registered Plan
Schorr Judah
Director
Oct 14, 202613,753$1.12MOct 14, 2026Restricted Stock Vesting Under a Registered Plan
Silberman Mitch
Officer
Oct 13, 2026805$66.12KOct 13, 2026Restricted Stock Vesting Under a Registered Plan
Mason Jonathan
Spouse of Affiliate
Oct 7, 20261,150$92.57KOct 7, 2026Gift from Affiliate
M. Shea Nadine
Officer
Oct 1, 2026400$31.21KOct 1, 2026Restricted Stock Vesting Under a Registered Plan
Cosentino Eric
Director
Oct 1, 2026500$39.27KOct 1, 2026Restricted Stock Vesting Under a Registered Plan
Silberman Mitch
Officer
Oct 1, 20263,375$267.87KOct 1, 2026Restricted Stock Vesting Under a Registered Plan
Mason Jonathan
Spouse of Affiliate
Jul 17, 2026505$31.60KJul 17, 2026Gift from Affiliate
Mason Joyce
Officer
Jul 17, 20263,488$218.20KJul 17, 2026Restricted Stock Vesting Under a Registered Plan
Ash Menachem
Officer
Jul 15, 20269,877$619.39KJul 15, 2026Restricted Stock Vesting Under a Registered Plan
Cosentino Eric
Director
Jun 30, 2026500$28.89KJun 30, 2026Restricted Stock Vesting Under a Registered Plan
Fischer Marcelo
Officer
Jun 26, 202623,323$1.33MJun 26, 2026Restricted Stock Vesting Under a Registered Plan