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IDT · Idt Corp · Holdings

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$70.51 +1.09 (+1.57%) At close · Sep 11
Market Cap
$1.75B
Shares
24.87M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 197
Total Value: $816,886,830
Total Shares: 14,048,900
Showing 1–100 of 200 holdings by value · page 1 of 2

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 197 13F filers · Δ vs Mar 31, 2026
Top Holder
13.7%
Sep 2023 → Jun 2026 · range 11.5% – 14.2%
+0.5 pts
Top 5
36.5%
Sep 2023 → Jun 2026 · range 36.5% – 50.3%
−0.8 pts
Top 10
52.7%
Sep 2023 → Jun 2026 · range 52.2% – 68.4%
+0.6 pts
HHI
424
Sep 2023 → Jun 2026 · range 415 – 640
Broadly held+9

Quarterly Activity

vs Mar 31, 2026
New
23
Increased
87
Decreased
64
Sold Out
29
Unchanged
23
Holder count: -6
Institutional value: +24.2%
Shares held: +4.9%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 200
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1005731 CUSIP 448947507 13F (30d) 63 filings 63 filers Visit website