TUDOR INVESTMENT CORP ET AL
Position in IBKR — Interactive Brokers Group, Inc.
CIK 923093
STAMFORD, CT
Position in IBKR
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$22,582,737
-$12,899,919 QoQ
Shares Held
336,704
-39.0% QoQ
Ownership
0.076%
of shares outstanding
% of Portfolio
0.14%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
16 quarters on record
Voting authority
Sole 50.ToString("F0")%
Shared 50.ToString("F0")%
None 0.ToString("F0")%
Common Shares in IBKR Over Time
Shares Held
Position Value (USD)
Derivatives in IBKR
reported options exposure · as of Mar 31, 2026CallValue
$9,228,832
CallShares
137,600
PutValue
$2,112,705
PutShares
31,500
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 Mar 31, 2026TUDOR INVESTMENT CORP ET AL holds $234,840,284 across 23 Capital Markets names. IBKR ranks #5 (9.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SF |
Stifel Financial Corp
|
489,907 | $36,213,925 | |
| 2 | HLI |
Houlihan Lokey, Inc.
|
232,715 | $33,422,528 | |
| 3 | MS |
Morgan Stanley
|
155,896 | $25,655,804 | |
| 4 | SCHW |
Schwab Charles Corp
|
260,000 | $24,434,800 | |
| 5 | IBKR |
Interactive Brokers Group, Inc.
This page
|
336,704 | $22,582,737 | |
| 6 | PJT |
PJT Partners Inc.
|
100,908 | $14,098,865 | |
| 7 | TW |
Tradeweb Markets Inc.
|
118,116 | $13,897,528 | |
| 8 | JEF |
Jefferies Financial Group Inc.
|
315,297 | $13,012,307 |
All Filings in IBKR
Export CSV
28 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $22,582,737 | 336,704 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $9,228,832 | 137,600 | Call | Defined | 2026-05-15 | |
| 2026-03-31 | $2,112,705 | 31,500 | Put | Defined | 2026-05-15 | |
| 2025-12-31 | $1,877,852 | 29,200 | Put | Defined | 2026-02-17 | |
| 2025-12-31 | $35,482,656 | 551,744 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $2,495,228 | 38,800 | Call | Defined | 2026-02-17 | |
| 2025-09-30 | $8,339,772 | 121,200 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $17,057,999 | 247,900 | Call | Defined | 2025-11-14 | |
| 2025-06-30 | $6,349,986 | 114,600 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $14,894,208 | 268,800 | Call | Defined | 2025-08-14 | |
| 2025-03-31 | $3,026,157 | 73,100 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $4,409,868 | 106,525 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $1,987,080 | 48,000 | Put | Defined | 2025-05-15 | |
| 2024-12-31 | $1,978,704 | 44,800 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $2,155,374 | 48,800 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $206,350 | 4,672 | Shares | Defined | 2025-02-14 | |
| 2023-03-31 | $313,728 | 15,200 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $68,112 | 3,300 | Call | Defined | 2023-05-15 | |
| 2022-12-31 | $88,628 | 4,900 | Call | Defined | 2023-02-14 | |
| 2022-09-30 | $73,496 | 4,600 | Call | Defined | 2022-11-14 | |
| 2022-06-30 | $193,662 | 14,082 | Shares | Defined | 2022-08-15 | |
| 2021-12-31 | $414,135 | 20,858 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $148,057 | 9,500 | Put | Defined | 2021-11-17 | |
| 2021-09-30 | $222,865 | 14,300 | Call | Defined | 2021-11-17 | |
| 2021-06-30 | $1,359,115 | 82,709 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $1,815,336 | 99,416 | Shares | Defined | 2021-05-17 | |
| 2020-06-30 | $708,920 | 67,888 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $106,360 | 9,855 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||