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PDT Partners’s IDT Corp IDT Stock Holding History

PDT Partners’s Portfolio IDT Stock Details IDT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.14M Hold
23,134
– – 0.07% 318
2025
Q4 		$1.18M Sell
23,134
-8,759
-27% -$439K 0.08% 330
2025
Q3 		$1.67M Hold
31,893
– – 0.11% 285
2025
Q2 		$2.18M Buy
31,893
+20,622
+183% +$1.18M 0.12% 282
2025
Q1 		$578K Buy
+11,271
New +$546K 0.04% 499
2021
Q2 		– Sell
-16,235
Closed -$368K – 878
2021
Q1 		$368K Buy
16,235
+4,900
+43% +$87.7K 0.03% 563
2020
Q4 		$140K Sell
11,335
-1,948
-15% -$21.6K 0.01% 640
2020
Q3 		$87K Buy
+13,283
New +$87.7K 0.01% 683
2020
Q2 		– Sell
-12,290
Closed -$67K – 734
2020
Q1 		$67K Sell
12,290
-600
-5% -$4.29K 0.01% 623
2019
Q4 		$93K Buy
12,890
+2,000
+18% +$14.4K 0.01% 693
2019
Q3 		$115K Buy
10,890
+90
+0.8% +$899 0.01% 430
2019
Q2 		$102K Sell
10,800
-2,400
-18% -$17.7K 0.01% 398
2019
Q1 		$88K Sell
13,200
-8,813
-40% -$58.7K 0.01% 417
2018
Q4 		$136K Buy
+22,013
New +$157K 0.01% 427
2013
Q4 		– Sell
-16,806
Closed -$211K – 875
2013
Q3 		$211K Sell
16,806
-79,334
-83% -$963K 0.01% 1380
2013
Q2 		$1.07M Buy
+96,140
New +$939K 0.03% 792

Other funds holding IDT

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
CB
Cooke & Bieler Philadelphia, Pennsylvania $8.84B AUM 6.92% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $303B AUM 30.15% 1-Year Est. Return
KBG
Kahn Brothers Group New York $564M AUM 25.3% 1-Year Est. Return
Jacobs Levy Equity Management
Jacobs Levy Equity Management Florham Park, New Jersey $23.8B AUM 25.4% 1-Year Est. Return

PDT Partners's IDT Position: Q1 2026 in Review

PDT Partners held its IDT Corp (IDT) position steady in Q1 2026 at 23,134 shares worth $1.14M. The position accounts for 0.07% of the portfolio, ranked #318.

PDT Partners first reported a position in IDT in Q2 2013 and has held it in 16 quarters since. The position peaked at $2.18M in Q2 2025. 202 funds tracked by Wall St. Rank hold IDT as of Q1 2026.

  • PDT Partners held 23,134 shares of IDT Corp worth $1.14M as of Q1 2026.
  • PDT Partners left its IDT Corp share count unchanged in Q1 2026.
  • IDT Corp made up 0.07% of PDT Partners's portfolio in Q1 2026, its #318 holding.
  • PDT Partners first reported a position in IDT Corp in Q2 2013 and has held it in 16 quarters since.
  • PDT Partners's IDT Corp position peaked at $2.18M in Q2 2025.
  • 202 funds tracked by Wall St. Rank held IDT Corp as of Q1 2026.

Based on PDT Partners's 13F filing for Q1 2026, filed 15 May 2026.