IDT
IDT-B (IDT)
NYSE
$82.47$0.00 (0.00%)
Price as of Oct 23, 2026 7:30 PM EDT
  • $1.9B
    Market Cap
  • 63.51%
    1-Year Change
  • Telecom Services
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK, INC.
7.74%
1.9M
+149,538 (+7.77%)
Jun 30, 2026
BLACKROCK FUNDING, INC. /DE
6.61%
1.6M
+255,928 (+15.59%)
Dec 31, 2024
BLACKROCK INC.
5.52%
1.4M
+18,564 (+1.35%)
Jun 30, 2024
VANGUARD GROUP INC
5.23%
1.3M
-9,518 (-0.73%)
Dec 31, 2025
VANGUARD CAPITAL MANAGEMENT LLC
3.57%
887,211
+6,123 (+0.69%)
Jun 30, 2026
RENAISSANCE TECHNOLOGIES LLC
3.54%
879,008
-67,005 (-7.62%)
Jun 30, 2026
DIMENSIONAL FUND ADVISORS LP
3.14%
779,838
-8,209 (-1.05%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions246.7M (75.42%)
  • Mutual Funds74.7M (22.84%)
  • Insiders5.7M (1.74%)
  • Other0 (0.00%)

Insider Transactions

  • 1.74% (5.7M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 7
    Number of InsiderSelling (last 12 months)
  • $29.3M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
FISCHER MARCELO
Chief Financial Officer
Sell
Oct 16, 2026
$365,879.10
4,521
$80.93
35,855
SCHORR JUDAH
Sell
Oct 15, 2026
$629,456.40
7,717
$81.57
108,672
ASH MENACHEM
EVP of Strategic&Legal Affairs
Sell
Oct 15, 2026
$410,000.00
5,000
$82.00
19,193
SILBERMAN MITCH
CAO & Controller
Exempt
Oct 15, 2026
$0.00
1,737
$0.00
868
FISCHER MARCELO
Chief Financial Officer
Exempt
Oct 15, 2026
$0.00
10,416
$0.00
5,208
SILBERMAN MITCH
CAO & Controller
Exempt
Oct 15, 2026
$284,260.05
3,474
$81.83
3,474
FISCHER MARCELO
Chief Financial Officer
Exempt
Oct 15, 2026
$0.00
4,257
$0.00
8,633
SILBERMAN MITCH
CAO & Controller
In Kind
Oct 15, 2026
$93,853.27
1,147
$81.83
2,327
FISCHER MARCELO
Chief Financial Officer
Exempt
Oct 15, 2026
$1.7M
20,832
$81.83
53,656
SILBERMAN MITCH
CAO & Controller
Sell
Oct 15, 2026
$188,555.88
2,327
$81.03
0
FISCHER MARCELO
Chief Financial Officer
In Kind
Oct 15, 2026
$940,905.68
11,499
$81.83
42,157
FISCHER MARCELO
Chief Financial Officer
Sell
Oct 15, 2026
$394,968.00
4,812
$82.08
37,345
FISCHER MARCELO
Chief Financial Officer
Exempt
Oct 15, 2026
$163,596.51
4,257
$38.43
41,602
FISCHER MARCELO
Chief Financial Officer
In Kind
Oct 15, 2026
$99,404.08
1,226
$81.08
40,376
SCHORR JUDAH
Sell
Oct 14, 2026
$493,524.49
6,036
$81.76
116,389
SILBERMAN MITCH
CAO & Controller
Sell
Oct 13, 2026
$66,122.70
805
$82.14
0
MASON JOYCE J
EVP and Corporate Secretary
Sell
Oct 07, 2026
$92,570.29
1,150
$80.50
11,372
SILBERMAN MITCH
CAO & Controller
In Kind
Oct 07, 2026
$29,169.16
367
$79.48
805
SILBERMAN MITCH
CAO & Controller
Sell
Oct 01, 2026
$267,873.75
3,375
$79.37
1,172
SHEA NADINE
EVP of GLOBAL HUMAN RESOURCES
Sell
Oct 01, 2026
$31,214.00
400
$78.03
8,325
COSENTINO ERIC F.
Sell
Oct 01, 2026
$39,274.00
500
$78.55
39
ASH MENACHEM
EVP of Strategic&Legal Affairs
Sell
Jul 16, 2026
$230,751.97
3,653
$63.17
24,193
ASH MENACHEM
EVP of Strategic&Legal Affairs
Sell
Jul 15, 2026
$277,084.87
4,397
$63.02
27,846
COSENTINO ERIC F.
Sell
Jun 30, 2026
$28,890.00
500
$57.78
539
FISCHER MARCELO
Chief Financial Officer
Sell
Jun 26, 2026
$1.3M
23,323
$56.98
32,824
JONAS HOWARD S
Chairman
Gift
Jun 23, 2026
$0.00
2,217
$0.00
46,553
SHEA NADINE
EVP of GLOBAL HUMAN RESOURCES
Sell
Jun 08, 2026
$27,661.30
500
$55.32
8,725
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