Optiver Holding
IDT icon

Optiver Holding’s IDT Corp IDT Stock Holding History

Optiver Holding’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 		$2.26K Buy
46
+32
+229% +$1.58K ﹤0.01% 1793
2025
Q4 		$717 Sell
14
-62
-82% -$3.11K ﹤0.01% 2253
2025
Q3 		$3.98K Buy
+76
New +$4.74K ﹤0.01% 1952

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

Optiver Holding's IDT Position: Q1 2026 in Review

Optiver Holding increased its IDT Corp (IDT) stake by 229% in Q1 2026, buying an estimated $1.58K and bringing the position to 46 shares worth $2.26K. The position accounts for ﹤0.01% of the portfolio, ranked #1793.

Optiver Holding first reported a position in IDT in Q3 2025 and has held it in 3 quarters since. The position peaked at $3.98K in Q3 2025. 202 funds tracked by Wall St. Rank hold IDT as of Q1 2026.

  • Optiver Holding held 46 shares of IDT Corp worth $2.26K as of Q1 2026.
  • Optiver Holding bought 32 IDT Corp shares in Q1 2026, an estimated $1.58K.
  • IDT Corp made up ﹤0.01% of Optiver Holding's portfolio in Q1 2026, its #1793 holding.
  • Optiver Holding first reported a position in IDT Corp in Q3 2025 and has held it in 3 quarters since.
  • Optiver Holding's IDT Corp position peaked at $3.98K in Q3 2025.
  • 202 funds tracked by Wall St. Rank held IDT Corp as of Q1 2026.

Based on Optiver Holding's 13F filing for Q1 2026, filed 15 May 2026.