IDT
IDT-B (IDT)
NYSE
$54.93-$0.48 (-0.88%)
Price as of Jun 03, 2026 5:40 PM EDT
  • $1.3B
    Market Cap
  • -5.65%
    1-Year Change
  • Telecom Services
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK, INC.
7.07%
1.8M
+44,386 (+2.50%)
Mar 31, 2026
BLACKROCK FUNDING, INC. /DE
6.54%
1.6M
+255,928 (+15.59%)
Dec 31, 2024
BLACKROCK INC.
5.47%
1.4M
+18,564 (+1.35%)
Jun 30, 2024
VANGUARD GROUP INC
5.18%
1.3M
-9,518 (-0.73%)
Dec 31, 2025
RENAISSANCE TECHNOLOGIES LLC
3.77%
946,013
-28,793 (-3.04%)
Mar 31, 2026
N/A
3.51%
881,088
+881,088 (+100.00%)
Mar 31, 2026
DIMENSIONAL FUND ADVISORS LP
3.14%
788,047
-18,221 (-2.31%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions231.9M (77.05%)
  • Mutual Funds63.3M (21.04%)
  • Insiders5.7M (1.91%)
  • Other0 (0.00%)

Insider Transactions

  • 1.91% (5.7M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 2
    Number of InsiderSelling (last 12 months)
  • $71,805.32
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
JONAS HOWARD S
Chairman
Gift
May 07, 2026
$0.00
7,942
$0.00
48,770
MASON JOYCE J
EVP and Corporate Secretary
Gift
May 07, 2026
$0.00
722
$0.00
38,929
MASON JOYCE J
EVP and Corporate Secretary
Gift
May 07, 2026
$0.00
722
$0.00
13,027
MASON JOYCE J
EVP and Corporate Secretary
Gift
May 07, 2026
$0.00
722
$0.00
29,430
JONAS HOWARD S
Chairman
Gift
May 05, 2026
$0.00
1,175
$0.00
56,712
JONAS HOWARD S
Chairman
Gift
Apr 16, 2026
$0.00
600
$0.00
57,887
ASH MENACHEM
EVP of Strategic&Legal Affairs
Exempt
Feb 17, 2026
$0.00
834
$0.00
4,166
ASH MENACHEM
EVP of Strategic&Legal Affairs
Exempt
Feb 17, 2026
$40,407.30
834
$48.45
52,590
ASH MENACHEM
EVP of Strategic&Legal Affairs
In Kind
Feb 17, 2026
$16,812.15
347
$48.45
52,243
JONAS HOWARD S
Chairman
Gift
Jan 28, 2026
$0.00
2,214
$0.00
58,487
SCHORR JUDAH
Award
Jan 05, 2026
$50,024.71
986
$50.73
122,425
COSENTINO ERIC F.
Award
Jan 05, 2026
$50,024.71
986
$50.73
1,039
KATSOF IRWIN
Award
Jan 05, 2026
$50,024.71
986
$50.73
2,408
JONAS HOWARD S
Chairman
Other
Dec 29, 2025
$0.00
97,163
$0.00
114,106
JONAS HOWARD S
Chairman
Gift
Dec 17, 2025
$0.00
1,150
$0.00
60,701
MASON JOYCE J
EVP and Corporate Secretary
Gift
Nov 25, 2025
$0.00
1,000
$0.00
31,213
COSENTINO ERIC F.
Sell
Oct 10, 2025
$9,522.78
200
$47.61
53
PEREIRA BILL
COO & President
Sell
Oct 02, 2025
$2.1M
41,933
$49.63
42,500
PEREIRA BILL
COO & President
Award
Sep 18, 2025
$0.00
15,000
$0.00
15,000
SHEA NADINE
EVP of GLOBAL HUMAN RESOURCES
Award
Sep 18, 2025
$0.00
2,000
$0.00
2,000
FISCHER MARCELO
Chief Financial Officer
Award
Sep 18, 2025
$0.00
15,000
$0.00
15,000
WARTELL DAVID
CHIEF TECHNOLOGY OFFICER
Award
Sep 18, 2025
$0.00
5,000
$0.00
5,000
MASON JOYCE J
EVP and Corporate Secretary
Award
Sep 18, 2025
$0.00
2,000
$0.00
2,000
JONAS HOWARD S
Chairman
Gift
Jul 17, 2025
$0.00
7,150
$0.00
62,851
MASON JOYCE J
EVP and Corporate Secretary
Gift
Jul 17, 2025
$0.00
650
$0.00
40,504
MASON JOYCE J
EVP and Corporate Secretary
Gift
Jul 17, 2025
$0.00
650
$0.00
13,212
MASON JOYCE J
EVP and Corporate Secretary
Gift
Jul 17, 2025
$0.00
650
$0.00
30,213
JONAS HOWARD S
Chairman
Gift
Jul 15, 2025
$0.00
1,200
$0.00
70,001
COSENTINO ERIC F.
Sell
Jun 16, 2025
$53,624.00
800
$67.03
253
ASH MENACHEM
EVP of Strategic&Legal Affairs
Award
Apr 28, 2025
$8,839.14
181
$48.84
51,822