IDT CORP-CLASS B (IDT) Institutional Ownership Changes & 13F Activity
IDT CORP-CLASS B (IDT). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC, Kahn Brothers Group, and Alta Fox Capital Management.
| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q1 2026 | Renaissance Technologies LLC | Sell | -28,793 | 946,013 | $46,449,238 |
| Q1 2026 | Kahn Brothers Group | Sell | -19,445 | 372,566 | $18,292,990 |
| Q1 2026 | Alta Fox Capital Management | Buy | 8,480 | 97,010 | $4,763,191 |
| Q4 2025 | Renaissance Technologies LLC | Sell | -77,700 | 974,806 | $49,919,815 |
| Q4 2025 | Kahn Brothers Group | Sell | -346 | 392,011 | $20,074,883 |
| Q3 2025 | Renaissance Technologies LLC | Sell | -47,333 | 1,052,506 | $55,056,589 |
| Q3 2025 | Kahn Brothers Group | Sell | -4,207 | 392,357 | $20,524,194 |
| Q2 2025 | Alta Fox Capital Management | Sell | -47,530 | 88,530 | $6,048,370 |
| Q2 2025 | Kahn Brothers Group | Buy | 31,028 | 396,564 | $27,093,252 |
| Q2 2025 | Renaissance Technologies LLC | Sell | -12,167 | 1,099,839 | $75,141,000 |
| Q1 2025 | Kahn Brothers Group | Buy | 126,655 | 365,536 | $18,756,060 |
| Q1 2025 | Alta Fox Capital Management | Buy | 37,125 | 136,060 | $6,981,239 |
| Q1 2025 | Renaissance Technologies LLC | Buy | 31,300 | 1,112,006 | $57,057,028 |
| Q4 2024 | Alta Fox Capital Management | Sell | -210,154 | 98,935 | $4,701,391 |
| Q4 2024 | Kahn Brothers Group | Sell | -91,347 | 238,881 | $11,351,426 |
| Q4 2024 | Renaissance Technologies LLC | Sell | -44,241 | 1,080,706 | $51,355,149 |
| Q3 2024 | Alta Fox Capital Management | Buy | 166,341 | 309,089 | $11,797,927 |
| Q3 2024 | Renaissance Technologies LLC | Buy | 18,341 | 1,124,947 | $42,939,227 |
| Q3 2024 | Kahn Brothers Group | Sell | -1,279 | 330,228 | $12,604,697 |
| Q2 2024 | Alta Fox Capital Management | Sell | -106,993 | 142,748 | $5,127,508 |
| Q2 2024 | Renaissance Technologies LLC | Buy | 29,100 | 1,106,606 | $39,749,288 |
| Q2 2024 | Kahn Brothers Group | Sell | -14,041 | 331,507 | $11,908,118 |
| Q1 2024 | Alta Fox Capital Management | Buy | 56,175 | 249,741 | $9,442,707 |
| Q1 2024 | Renaissance Technologies LLC | Sell | -4,800 | 1,077,506 | $40,741 |
| Q1 2024 | Kahn Brothers Group | Sell | -1,544 | 345,548 | $13,065,647 |
| Q4 2023 | Alta Fox Capital Management | Buy | 56,306 | 193,566 | $6,598,665 |
| Q4 2023 | Renaissance Technologies LLC | Buy | 50,309 | 1,082,306 | $36,896 |
| Q4 2023 | Kahn Brothers Group | Sell | -1,971 | 347,092 | $11,844,159 |
| Q3 2023 | Renaissance Technologies LLC | Buy | 11,600 | 1,031,997 | $22,756 |
| Q3 2023 | Kahn Brothers Group | Sell | -4,052 | 349,063 | $7,696,465 |
Frequently asked questions about IDT activity
Which institutional owners are buying IDT?
Institutional owners buying IDT include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in IDT activity?
"Buy" means an investor increased their reported position in IDT compared to the prior reporting period. This reflects growing exposure to IDT CORP-CLASS B (IDT) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in IDT increasing?
Institutional interest in IDT can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related IDT Institutional Insights
- IDT Institutional Ownership Overview
- IDT Institutional Ownership & Insiders Activity
- IDT Institutional Ownership & 13F Activity
- IDT Top Institutional Shareholders
- IDT Institutional Buying Activity
- IDT Institutional Selling Activity
- Communication Services Sector Institutional Ownership
- Communication Services Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Communication Services Stocks By Institutional Investors
- Most Sold Communication Services Stocks By Institutional Investors
- IDT Insider Trading & SEC Form 4 Activity
- Top Institutional Investor Stock Rankings