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TUDOR INVESTMENT CORP ET AL

Position in IBKR — Interactive Brokers Group, Inc.

CIK 923093 STAMFORD, CT

Position in IBKR

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$64,576,281
+$41,993,544 QoQ
Shares Held
741,915
+120.3% QoQ
Ownership
0.164%
of shares outstanding
% of Portfolio
0.32%
of 13F equity value
Holder Rank
#89
of 1,105 holders
Holding Since
Mar 2020
17 quarters on record
Voting authority Sole 50% Shared 50% None 0%

Common Shares in IBKR Over Time

Shares Held

Position Value (USD)

Derivatives in IBKR

reported options exposure · as of Jun 30, 2026
CallValue
$17,660,416
CallShares
202,900
PutValue
$966,144
PutShares
11,100

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Capital Markets

Financial Services · as of Jun 30, 2026

TUDOR INVESTMENT CORP ET AL holds $430,177,311 across 21 Capital Markets names. IBKR ranks #2 (15.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 IBKR
Interactive Brokers Group, Inc.
This page
741,915 $64,576,281

All Filings in IBKR

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31 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $64,576,281 741,915
2026-06-30 $966,144 11,100
2026-06-30 $17,660,416 202,900
2026-03-31 $22,582,737 336,704
2026-03-31 $9,228,832 137,600
2026-03-31 $2,112,705 31,500
2025-12-31 $1,877,852 29,200
2025-12-31 $35,482,656 551,744
2025-12-31 $2,495,228 38,800
2025-09-30 $17,057,999 247,900
2025-09-30 $8,339,772 121,200
2025-06-30 $6,349,986 114,600
2025-06-30 $14,894,208 268,800
2025-03-31 $12,104,629 73,100
2025-03-31 $17,639,474 106,525
2025-03-31 $7,948,320 48,000
2024-12-31 $7,914,816 44,800
2024-12-31 $8,621,496 48,800
2024-12-31 $825,402 4,672
2023-03-31 $1,254,912 15,200
2023-03-31 $272,448 3,300
2022-12-31 $354,515 4,900
2022-09-30 $293,986 4,600
2022-06-30 $774,650 14,082
2021-12-31 $1,656,542 20,858
2021-09-30 $891,462 14,300
2021-09-30 $592,230 9,500
2021-06-30 $5,436,462 82,709
2021-03-31 $7,261,344 99,416
2020-06-30 $2,835,681 67,888
2020-03-31 $425,440 9,855