Ticker · CUSIP 448947507
Holders (tracked)
10
Combined shares
1,911,273
Combined value
$97.17M
Last close
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
10112024Q12025Q4

SEC event timeline

22 events
  1. MASON JOYCE J · EVP and Corporate Secretary
    2026-04-16
    Sold $46.2K @ $50.94
    Insider sell
  2. MASON JOYCE J · EVP and Corporate Secretary
    2026-04-16
    Sold $117.0K @ $50.94
    Insider sell
  3. FISCHER MARCELO · Chief Financial Officer
    2026-04-14
    Sold $252.5K @ $50.50
    Insider sell
  4. ASH MENACHEM · EVP of Strategic&Legal Affairs
    2026-04-14
    Sold $1.02M @ $51.00
    Insider sell
  5. −19,526 shares · 2025Q4
    13F
  6. −41,011 shares · 2025Q4
    13F
  7. +72,127 shares · 2025Q4
    13F
  8. −42,099 shares · 2025Q4
    13F
  9. +628 shares · 2025Q4
    13F
  10. +490 shares · 2025Q4
    13F
  11. +104,331 shares · 2025Q4
    13F
  12. +16,274 shares · 2025Q4
    13F
  13. −77,700 shares · 2025Q4
    13F
  14. −66,032 shares · 2025Q3
    13F
  15. +14,855 shares · 2025Q3
    13F
  16. +220,740 shares · 2025Q3
    13F
  17. −484 shares · 2025Q3
    13F
  18. +8,205 shares · 2025Q3
    13F
  19. −120,055 shares · 2025Q3
    13F
  20. +727 shares · 2025Q3
    13F
  21. −38,400 shares · 2025Q3
    13F
  22. −47,333 shares · 2025Q3
    13F

Insider activity

Last 30 days
Net (open-market)
−$1.44M
Buys
0 · $0
Sells
4 · $1.44M
Unique insiders
3
DateInsiderCodeSharesPriceValue
04-16MASON JOYCE J
EVP and Corporate Secretary · Insider
S907$50.94$46.2K
04-16MASON JOYCE J
EVP and Corporate Secretary · Insider
S2,297$50.94$117.0K
04-14ASH MENACHEM
EVP of Strategic&Legal Affairs · Insider
S20,000$51.00$1.02M
04-14FISCHER MARCELO
Chief Financial Officer · Insider
S5,000$50.50$252.5K

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
New positions2
Trimmed4
Exited0

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
10
$1.89B
2022Q2
8
$75.0M
2022Q3
10
$73K
2022Q4
12
$56.3M
2023Q1
11
$71.4M
2023Q2
11
$57.6M
2023Q3
12
$48.9M
2023Q4
9
$57.1M
2024Q1
11
$67.8M
2024Q2
13
$116.1M
2024Q3
12
$68.3M
2024Q4
12
$84.0M
2025Q1
11
$102.3M
2025Q2
11
$132.6M
2025Q3
9
$99.2M
2025Q4
10
$97.2M

Who owns IDT

10 super-investors · 2025Q4
Tracked stake
1.91M
shares
Combined value
$97M
% of shares outstanding
shares-out unknown
Quarter action mix
New2Added4Trim4
#ManagerSharesValue
1Renaissance Technologies974.8K$50M
2Izzy Englander
Millennium Mgmt
274.6K$14M
3D.E. Shaw & Co.234.5K$12M
4Ken Griffin
Citadel Advisors
122.2K$6M
5Steve Cohen
Point72
104.3K$5M
6Two Sigma Investments82.6K$4M
7AQR Capital Management76.0K$4M
8Paul Tudor Jones
Tudor Investment
16.3K$833K
9Ken Griffin
Citadel Advisors
12.1K$620K
10T. Rowe Price13.8K$705

Recent moves

20 transactions
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